Anderson-Negele SX Manual

Instruction Manual

Instrument Model Number

Instrument Serial Number

Anderson Instrument Co. Inc.
156 Auriesville Road
Fultonville, NY 12072
1-800-833-0081
www.anderson-negele.com

SL/SX LEVEL TRANSMITTER

02008 / 2.1 / 2015-05-06 / PW / NA

Safety Warnings

Warning! This unit accepts DC voltage only, connection to AC voltage can cause failure
of the sensor and/or risk of electrocution

Warning! Do not remove this sensor from the process while it is operating. Removal
while the process is operating can contaminate the process and could cause
human injury.

Warning! Do not subject this sensor to pressure that exceeds the specied upper range

limit. Over-pressure may cause premature failure, incorrect output signal, or
possible human injury.

Warning! Before removing for service or calibration, ensure that tank is empty.

SL/SX/LD/LA Liquid Level Transmitter

Quick Start Installation Guide

Technical Bulletin

Anderson Instrument Co., Inc.

156 Auriesville Road
Fultonville, NY 12072

Phone: [phone] or 800-833-0081
Fax: [phone] or 800-726-6733

www.anderson-negele.com

Warning! This unit accepts DC voltage only, connection to AC voltage can cause failure of the sensor and/or risk of electrocution

1. Insert cable through Pressing Screw, Compression Ring,
Seal Grommet, and Sleeve as shown below.

2. Strip back 1-1/4” of outer sheathing, cut off any excess wires,
shield and ground. Strip off 1/4” insulation from remaining two
wires. It is not necessary or recommended to tin the wires.

Shown With

Cap Removed

Section 1 - Field Wireable Connector Assembly

3. Orient Connector end so that
center pin connecting screw is
horizontal facing right (see detail).

Thread sealing

tape applied.

Retaining Ring

Sleeve

Compression

Ring

CABLE REQUIREMENTS

2 conductor, stranded, 18-24 AWG,
shielded with ground.
4-8mm (0.16-0.31”) Cable Sheath

4. Wire LOOP+ (red) wire to top-right
terminal, and LOOP- (black) wire to
top-left terminal. No connection is made
to the center and bottom terminals.

Red

Black

O-Ring

Connector End

Pin 2 - Black

(-PWR)

DETAIL

Pin 1 - Red

(+PWR 9-30 VDC)

5. Screw on the Sleeve. Hand-tighten only.

To install connector, simply line up key, press into

receptacle, and the retaining ring.hand-tighten

*Receptacle pins should be coated with USDA approved dielectric grease to minimize possibility of corrosion.

Receptacle

*Dielectric Grease

P/N: 5662400000

Section 2 - Proper Transmitter Wiring & Testing

For units equipped with HART, HHT must be connected

to loop. For detailed instructions see manual section 3.7.

A Digital MultiMeter may be connected across Test+ and Test- to

verify operation by observing the following readings:

1. 4 mA while vessel is empty. Value increases as level increases.

2. 20 mA with MODE Switch in FIELD CAL position.

3. Between 7.2 and 20 mA with MODE Switch in CUR CAL position.

(The exact CUR CAL value indicates the calibration - see Sect. 4)

Receiver and Meter

Connections omitted for

clarity. Meter may be used to

verify 4.00 mA output, but is

not required to perform

Sensor Rezero Procedure.

DMM

mA

COM

(-)

(+)

Shown With

Cap Removed

Seal

Grommet

-2 included choose one to accommodate cable OD

6. Press the Seal Grommet into the Sleeve and hand­tighten the Pressing Screw.

7. Use a wrench to tighten the Pressing Screw another
3/4 turn. Do not over-tighten!

Molded Cord Set - Shielded

P/N: 42117H0025

42117H0050
42117H0100

Molded Cord Set

P/N: 42117K0025

42117K0050
42117K0100

Section 3 - Sensor Rezero Procedure

PROCEDURE MUST BE PERFORMED WHEN:

- Sensor is initially installed.

- Whenever sensor is reinstalled in vessel.

- About 1-2 months after initial installation.

- Annually, as part of a PM program.

1. Sensor MUST be installed and properly wired.

2. Vessel MUST be empty and temperature stable.

3. MODE Switch must be set to RUN.

4. Press and Hold the ZERO Switch for 5-8 sec.

Pressing Screw

Loop+(red) wire Pin 1

Loop- (black) wire Pin 2

Shield (bare) wire

Note: Blue, Black and Grey not used
on 2 wire devices.
Shield connected to nut.

Loop+(red) wire Pin 1

Loop- (black) wire Pin 2

Shield (clear or bare) wire

Note: Green and Black not used
on 2 wire devices.
Shield not connected to nut.

The sensor output will jump to 4.00 mA

5. Rezero Procedure complete. Replace cap.

WARNING:

Do not allow test points

to short with loop

power while unit is

powered. Permanent

damage will result.

+

SIGNAL

RECEIVER

-

Red

-

Black

12-40 VDC

POWER
SUPPLY

SHIELD GROUND

(ONE POINT ONLY)

+

LOOP - (BLACK)

LOOP + (RED)

Not to Scale

MODE SWITCH

SWITCH FUNCTIONS:

RUN: Normal Operating Mode, Rezero or Span with Pressure in RUN Mode

CURRENT CAL: Read CURRENT CAL Value with DMM Across Testpoints

FIELD CAL: Program New CURRENT CAL Value with DMM Across Testpoints

SPAN: Increase (+) Key while in FIELD CAL Mode, or Set Span with Pressure
in Run Mode

ZERO: Decrease (-) Key while in FIELD CAL Mode, or Set Zero with Vessel Empty
in Run Mode

SET TO RUN MODE

01105 / 6.6 / 2015-05-08 / PW / NA Page 1 of 2

Section 4 - Calibration Verification

Anderson typically calibrates Level Transmitters specifically for the
application for which it was intended. The factory calibrated value will be
indicated by the last 5 digits of the sensor Model number to the nearest
1/10”WC (inches Water Column). All zeros indicate that the unit was not
calibrated at the factory and that the unit would be calibrated in the field.
In the sample Model number: SL5089100001234, the calibration is
indicated by the “01234” as 20 mA @ 123.4”WC. Therefore, the sensor
will output its full scale value of 20 mA at 123.4”WC pressure.
The specific calibration, or SPAN value of the level transmitter is
programmable, and can be modified in the field. Since the SPAN is easily
changed, we must verify that a sensor is properly calibrated to insure
overall system accuracy. This is easily accomplished utilizing a Digital
MultiMeter.

1. Determine the SPAN value as dictated by the Model # or the application.

2. Based of the first 3 digits of the sensor Model # determine the MAX CAL value.
SL1/SL5/SX5/LD2/LA2 MAX CAL = 145 SL3/SL7 or SX7 MAX CAL = 835
SL2/SL6 or SX6 MAX CAL = 420 SL4/SL8 or SX8 MAX CAL = 1390

3. Determine the CUR CAL value in mA by performing the mA translation calculation:

CUR CAL = ((SPAN / MAX CAL) x 16) + 4mA

Example: ((123.4 / 145) x 16) + 4 mA = 17.62 mA

If provided as part of a system, the CUR CAL value may also be documented
on a SYSTEM DATA SHEET.

4. Connect DMM as shown in Sect. 2. Move the MODE Switch to CURRENT CAL.

5. The displayed mA value should match the calculated CUR CAL value.

If it does not, the sensor is not correctly calibrated and should be re-Spanned.

Please refer to Section 3.5 of the SL/SX manual for this procedure.

The manual is available on the web at: www.anderson-negele.com

Section 5 - Troubleshooting Guide

A,S TROUBLESHOOTING MAY CAUSE CHANGES IN SENSOR OUTPUT SECURE ALL AUTOMATED CONTROLS PRIOR TO BEGINNING PROCEDURES

Most troubleshooting will require that you connect a Digital MultiMeter across the testpoints as indicated in Section 2. If
you find that you need to contact the factory for assistance, please first record your findings in the spaces provided

1. Tank Name
:

2. Sensor Model #:

3. Sensor Serial #:

5. DC Voltage across LOOP+ & LOOP-: _________

6. As found mA output when vessel empty: _________

7. mA output after Rezero performed: _________

8. mA output in CUR CAL Mode: _________

9. mA output in FIELD CAL Mode:

_________

4. Receiver/Display:

SYMPTOM:

1. N O C ( A) A M :O UTPUT URRENT ZERO M IN NY ODE

2. C O L 4 AURRENT UTPUT ESS THAN M AND DOES NOT
I L , MODE SWITCHNCREASE WITH EVEL OR IF SET TO

3. O 4 20 AUTPUT STUCK BETWEEN AND M

4. P S R PERFORMING ENSOR EZERO ROCEDURE DOES NOT
R O 3.96-4.04 AETURN UTPUT TO M

5. S O S .ENSOR UTPUT IS NOT TABLE

6. O D O T .UTPUT RIFTS VER IME

7. S A O E SENSOR M UTPUT NOT AS XPECTED FOR PECIFIC
L.EVEL

9. S O G T 20 A.ENSOR UTPUT IS REATER HAN M

ACTION:

Loop may be broken - Measure voltage across LOOP+ and LOOP­terminals.
If not between 12-40 VDC, check connector and external loop wiring.
Check if mA fuse in DMM is blown. This frequently occurs during testing.

Connect milliammeter across LOOP+ terminal and TEST- testpoint.
If loop now works, sensor circuitry has been damaged. Contact factory.

Verify that MODE switch is in RUN mode.
Empty vessel and perform Sensor Rezero Procedure as described in

Verify that CUR CAL output is between 7.2 and 20 mA.
If current is less than 4 mA, follow instructions for Symptom #2.
If current is greater than 4 mA, sensor is damaged. Contact factory.

Verify that CUR CAL value is between 7.2 and 20 mA
Check for signs of moisture or water in housing. Contact factory.
Rezero only when vessel is empty and temperature stable. Recommend
after process and prior to CIP

Perform Sensor Rezero procedure when vessel is empty.
Verify proper CURRENT CAL output according to Section 4.

Sensor may have been zeroed with product in the vessel.
Perform Sensor Rezero Procedure as described in Section 3.
Sensor may be over-ranged. Verify CUR CAL value, and that it is
appropriate for the application. Contact factory for assistance.

10. S O L ,ENSOR UTPUT DOES NOT INCREASE WITH EVEL BUT

DOES INCREASE TO M IF SET TO

20 A MODE SWITCH

Sensor may have been dropped or over-ranged and permanently damaged.
Contact factory for assistance.

01105/ 6.6 / 2015-05-08/ PW / NA Page 2 of2

Table of Contents

Section 1 - General Page

1.1 Description SL/SX 8

1.2 Description - SX 8

1.3 Intended Use 8

1.4 Specications 9

Section 2 - Installation

2.1 Tank Shell Insallation 12

2.2 Installation of Level Transmitter 12

2.3 Atmospheric Venting 13

2.4 Electrical Wiring 14

2.5 Transmitter Electronic "Zero" Calibration 16

Section 3 - Calibration

3.1 Field or "Wet" Calibration 17

3.2 Sensor Factory Calibration Overview 20

3.3 Calibration Verication - Utilizing on Board Setup 21

3.4 Calibration Verication - Utilizing External Pressure Source 22

3.5 Calibration - Utilizing on Board Setup 24

3.6 Calibration - Utilizing External Pressure Source 26

3.7 Calibration - Utilizing HART Communicator 28

PAGE 7

Section 4 - Maintenance and Troubleshooting

4.1 General 30

4.2 Calibration Checks 30

4.3 Vent System 30

4.4 Gaskets 30

4.5 Troubleshooting 31

Appendix A - Spare Parts and Accessories 32
Appendix B - Intrinsically Safe Requirements for SX Transmitter 33
Appendix C - Warranty and Return 35

FIGURES

Figure 1-1 Shell and Sensor Dimensions 10,11
Figure 2-1 Tapered Gasket Installation 13
Figure 2-2 Sensor Venting 13
Figure 2-3 Required Supply Voltages 14
Figure 2-4 Transmitter Loop Diagram 15
Figure 2-5 Zero Calibration Procedure 16
Figure 3-1 Linear Vessel Signals 17
Figure 3-2 Non-Linear Vessel Signals 18
Figure 3-3 Non-Linear Vessel Examples 18
Figure 3-4 Sensor Calibration Data 20

Figure 3-5 Current Cal Verication Setup 21
Figure 3-6 Pressure Pump Hookup 22
Figure 3-7 Pressure Cal Verication Hookup 23
Figure 3-8 Field Cal Hookup 25
Figure 3-9 Pressure Pump Hookup 26
Figure 3-10 Pressure Cal Hookup 27
Figure 3-11 HART Communicator Wiring 28
Figure 3-12 HART Command Flowchart 29

PAGE 8

Section 1 General

1.1 DESCRIPTION - SL/SX

The model “SL” Liquid Level Transmitter has been specically designed for placement in

Dairy, Food and Beverage applications where accurate and repeatable level measurement

is required. The "SX" version, built on the SL platform, is designed specically to meet the
additional specication requirements of the Pharmaceutical and BioPharmaceutical industries.

The SL/SX transmitter measures the static head pressure exerted by the product held in the
vessel. It then converts this pressure to a 4-20 mA DC signal that is proportional to the height
of the liquid above the sensing portion (diaphragm) of the unit. The resulting signal may be
interfaced with Anderson Digital Indicators, Anderson Microprocessor Based Tank Inventory
Systems or Customer supplied instrumentation.

Various tting styles are available to allow adapting the SL/SX to existing sensor shells in a
retrot application. Anderson can also supply weld-in shells for new vessels, or for vessels

that do not currently have tank gauging installed. The SL/SX is all welded construction,

and is fully 3-A authorized. All wetted parts are constructed of 316L stainless steel, with the

remainder of the unit in 304 and 316 stainless steel.

Push button, non-interactive Zero and Span switches provide for quick eld calibration and

setup. In addition, onboard circuitry handles temperature compensation to ensure a stable
reading during all phases of the operation.

The result is the SL/SX Liquid Level Transmitter – meeting the demands of today’s industry by
providing long term trouble free operation.

1.2 DESCRIPTION - SX

In addition to all of the features listed above, The model “SX” transmitter includes a Certicate

of Calibration with each unit. This documentation has been provided to meet the needs
of GMP (Good Manufacturing Procedure) programs found in the Pharmaceutical and Bio­Pharmaceutical Industries.

The model SX transmitter may also be wired so that the installation meets Intrinsically Safe

requirements. Direct agency approvals are referenced in the upcoming specications section

of this manual. Details of wiring requirements are shown in Appendix B also included herein.

1.3 INTENDED USE

The SL transmitter is only to be used for the application that it has been designed, dimen­sioned and built for. The electrical connection must be to a direct current network (see the
nameplate).

The intended purpose of the SL is the measurement of hydrostatic pressure that is proportion­al to liquid height in the food processing, beverage, pharmaceutical and chemical industries.

This transmitter is not suitable for the measurement of hazardous, explosive, and combustible

liquids of the PED group.

Any modications to the transmitter that might have an inuence on the function and the
safety features of the transmitter are only allowed to be carried out by authorized persons

of Anderson Instrument Company. Possible misuse including any use in contradiction to the
above-mentioned application is an indication of misuse of the measuring instrument!

In such a case Anderson does not assume any responsibility for safety.

PAGE 9

1.4 SPECIFICATIONS

Level Measurement Range Factory calibrated for ranges between 30 inches and
1385 inches of water column

Rangeability Minimum Maximum(URL) Proof Pressure
SL1 & SL5 and SX5 Series 0-30" WC 0-140" WC 10 psig
SL2 & SL6 and SX6 Series 0-140.1" WC 0-415" WC 30 psig**
SL3 & SL7 and SX7 Series 0-415.1" WC 0-830" WC 60 psig**
SL4 & SL8 and SX8 Series 0-830.1" WC 0-1385" WC 100 psig

** For extended over range capability, SL2 & SL6/SX6 may be factory

calibrated for range as low as 0-75"WC (150"WC min for SL3 & SL7/
SX7, 300"WC min for SL4 & SL8/SX8)

Calibrated Accuracy ± 0.20% of URL at stable calibration temperature
Repeatability ± 0.075% of URL

Hysteresis ± 0.075% of URL

Linearity (BFSL) ± 0.05% of URL
Calibration Stability ± 0.2% of URL for one (1) year minimum

Resolution Innite

Process Temperature Limits 0°F to 265°F (-18°C to 130°C)

Ambient Temperature Limits 15°F to 120°F (-9°C to 49°C)

Compensated Temperature Range 0°F to 250°F (-18°C to 121°C) (process)
Effect of Process Temperature Change ±0.2% of Upper Range Limit
(URL) per 10°F (Zero shift only)
Effect of Ambient Temperature Change ±0.4% of Upper Range Limit
(URL) per 10°F (Zero Shift Only)
Excitation 24
Input Current Rating 35mA
Output 4-20mA dc, 2-wire. Internal test points supplied
Loop Resistance 1550 ohms (max.) at 40 vdc,
750 ohms (max) at 24 vdc
Cable Recommended
Standard Environment 2 conductor, stranded, 18-24 AWG, shielded with ground.

0.17 - 0.26” Cable Sheath OD for use with eld wireable connector.

Harsh Electrical Environment Shielded Molded Cord Set*

(12-36 vdc)

Housing Material 304 and 316 stainless steel

Wetted Parts 316L stainless steel electropolished
Response Time 526 mSec
Communication
Standard: Analog, 4-20mA output

Optional: Analog + Hart digital protocol.

Does not support Multidropmode

Agency Approvals (SX Only) Intrinsically safe for use in Class 1, Div. 1,
Groups A-D; CE Compliant

Agency Approvals (SL Only)

Conforms to UL Std 61010-1 3rd Ed(with Hart options)
Certied to CSA Std C22.2 61010-1 3rd Ed(with Hart options)

Environmental
Enclosure Protection Designed and factory tested to NEMA 4X, IP66, IP67;

Suitable for use in wet locations at up to 100% relative humidity.

* For increased immunity to lightning strikes and increased immunity to adverse EMI conditions.
Required to meet the following CE standards: IEC61000-4-5 and IEC61000-4-6.

ETL Listed

"A" DIM

"B"DIM

1-1/4" DIA.

2-1/4"

"A"

3-7/64"

3-19/64"

2" DIA.

"A"

"A"

NON INSULATED

INSULATED

ANDERSON SHELL TYPE

6-1/2

2-3/16

3"

3-7/64"

3-19/64"

2-3/16

6-9/16

8-13/16

KING SHELL TYPE

LONG

STANDARD

NON INSULATED

1-1/4" DIA.

"A"

2-1/4"

"A"

3-7/64"

3-19/64"

"A"

1-9/16" DIA.

3"

3-7/64"

3-19/64"

2-3/16

6-9/16

8-13/16

KING SHELL TYPE

LONG

STANDARD

NON INSULATED

1-1/4" DIA.

"A"

2-1/4"

"A"

3-7/64"

3-19/64"

PAGE 10

FIGURE 1-1 SHELL AND SENSOR DIMENSIONS

3-7/64"

3-19/64"

"A"

3"

2" DIA.

SHELL TYPE

Transmitter Fitting Type "A" Dimensions "B" Dimensions

Anderson Long Fitting 6-3/16 inches 2-1/8"
Anderson Short Fitting 1-7/8 inches 2-1/8"
Cherry Burrell Long Fitting 6-3/16 inches 1-1/2"
Cherry Burrell Short Fitting 1-7/8 inches 1-1/2"
King Gage Short Fitting 1-7/8 inches 1-1/16"
King Gage Standard Fitting 6-1/4 inches 1-1/16"
King Gage Long Fitting 8-1/2 inches 1-1/16"
Tank Mate Short Fitting* 3-10/32 inches 1-1/4"
Tank Mate Medium Fitting* 5-15/32 inches 1-1/4"
Tank Mate Long Fitting* 8-11/32 inches 1-1/4"
Rosemount Short Fitting 2-3/32 inches 3-11/16"
Rosemount Long Fitting 6-3/32 inches 3-11/16"

* Requires Adapter
* Note: Requires special adapter kit

"A"

1-1/4" DIA.

3-19/64"

3-7/64"

2-1/4"

KING SHELL TYPE "A"

ANDERSON SHELL TYPE "A"

NON INSULATED 2-3/16

INSULATED 6-1/2

3-7/64"

3"

TANK MATE SHELL TYPE "A"

3-19/64"

3-7/64"

"A"

3-19/64"

1-7/16" DIA.

2-3/4"

CHERRY BURRELL SHELL TYPE "A"

NON INSULATED 2-3/16

INSULATED 6-1/2

Caution: For proper mounting of this sensor, verify that the tting connection type, size, gasket or seal, and holding ring

NON INSULATED 2-3/16

STANDARD 6-9/16

LONG 8-13/16

"A"

SHORT 5-7/32

MEDIUM 7-19/64

LONG 10-3/16

or clamp match the process connection it is being mounted to. Improper mounting can cause process leakage, reduced
pressure ratings, and/or contamination issues.

1-9/16" DIA.

FIGURE 1-1 SHELL AND SENSOR DIMENSIONS continued

1-1/2" N.P.T.

6-39/64"

3-19/64"

P/N 4593600000

3-19/64”

5-1/4”

1-1/2”,2” OR3” TRICLAMP

PAGE 11

3-7/64"

3-19/64"

FITTING "A" DIM. "B" DIM.

ROSEMOUNT SHORT 2.11" 5-1/2"

ROSEMOUNT LONG 6.11" 9-1/2"

CONTINENTAL SHELL TYPE "A"

NON INSULATED 2-5/32

INSULATED 6-3/16

E+H LONG (6" SHELL) 6.60

E+H SHORT (1-9/16" SHELL) 2.16

8-13/64"

6"

2-1/4"

LIQUID SCALE ADAPTER

DESCRIPTION - USE "A" DIM.

1-1/4" DIA.

Caution: For proper mounting of this sensor, verify that the tting connection type, size, gasket or seal, and holding ring

or clamp match the process connection it is being mounted to. Improper mounting can cause process leakage, reduced
pressure ratings, and/or contamination issues.

PAGE 12

Section 2 Installation

2.1 TANK SHELL INSTALLATION

If Anderson ush mount style sensors are to be utilized on a new application, weld-in shells

must be installed in the vessel. The shells are provided with an installation guideline sheet.
The procedures should be closely followed to preclude shell distortion, damaged threads,
or other installation problems. Note that shell location should also be considered. Close
proximity to removable agitators or other parts should be avoided.

For new applications and also select retrot applications, Anderson can supply shell plugs

that will allow you to use the tank until a transmitter is in place. Consult the accessory list at
the end of this publication for more information.

2.2 INSTALLATION OF LEVEL TRANSMITTER

Caution: For proper mounting of this sensor, verify that the tting connection type, size,
gasket or seal, and holding ring or clamp match the process connection it is being
mounted to. Improper mounting can cause process leakage, reduced pressure ratings,
and/or contamination issues.

Caution: Handle with care during installation to avoid damage to the sensor. Physical
damage, especially to the sensing surface or probe can cause incorrect output signal or
premature failure.

Caution: Do not expose the sensor to process or ambient temperatures that exceed the

rated specications. Physical damage, incorrect output signal, or premature failure may

result.

Before installation of the transmitter, ush out and wipe clean the inside surface of the weld-in
shell. Inspect with a ashlight for any debris or surface damage to the face of the shell. Pay

careful attention to the area where the gasket surface meets the shell. Be sure that no sharp
edges, gouges, or scrapes exist. In addition, inspect the shell threads for damage prior to
transmitter installation.

There are three different gasket types available. The rst is a "Tapered" gasket supplied with
Anderson and Cherry Burrell ttings (note - gaskets are not interchangeable). Second, an
O-ring type gasket is supplied for King Gage style and Tank Mate ttings (note - gaskets are

not interchangeable). Lastly, Tri-Clamp® style ttings require a customer supplied gasket.

For sensors with Anderson and Cherry Burrell style ttings, refer to Figure 2-1 for proper
installation of the gasket. Be sure that the wide end is slipped into the transmitter rst. For
King Gage Style and Tank Mate ttings, a rubber O-ring will be supplied. Be sure the O-ring
ts snug on the tting. Do not use standard O-ring gaskets as proper sealing may not occur.

For Tri-Clamp® sensors, be sure that the correct gasket is utilized. The gasket should not
come in contact with the face of the transmitter diaphragm. Consult the accessory list at the
end of this publication for information on spare gaskets.

Once the gasket is properly installed, carefully slide the transmitter into the tank shell.

You may apply Petro-Jel or another food grade lubricant to the threads of the shell prior to
threading on the nut. DO NOT lubricate the gasket. The gasket to shell seal should be a dry

t.

CAUTION: Hand tighten the nut only enough to provide adequate seal of the gasket to the shell. Be

sure the gasket and transmitter face are flush with the shell on the inside of the vessel. DO
NOT over-tighten as this will cause the gasket to bulge into the tank. Carefully inspect for
proper seal.

FIGURE 2-1 TAPERED GASKET INSTALLATION

TAPERED GASKET

ANDERSON

&

CHERRY BURRELL

WIDE PORTION

NARROW PORTION

THIS END TO

INSIDE OF

VESSEL

THIS END TO

SENSOR

FIGURE 2-2 SENSOR VENTING

PAGE 13

ATMOSHERIC VENT LOCATION

ATMOSHERIC VENT LOCATION

2.3 ATMOSPHERIC VENTING

Venting of the backside of the transducer, to negate the effect of atmospheric pressure on the
head of the product, is provided via the integral stainless steel vent as shown in Figure 2-2.
The four ports should remain open to atmosphere, and free from any foreign materials/product

buildup. Water, cleaning solution, etc. is free to ow through the vent area without affecting

operation. Sharp objects, brushes or other foreign objects should not be inserted into this
area so as not to damage the vent diaphragm.

PAGE 14

1200

900

600

300

36302418129

0

POWER SUPPLY VOLTAGE (VDC)

MAXIMUM LOOP
RESISTANCE (OHMS)

(WIRE PLUS RECEIVER)

OPERATING

RANGE

2.4 ELECTRICAL WIRING

Warning! This unit accepts DC voltage only, connection to AC voltage can cause failure of
the sensor and/or risk of electrocution

2.4.1 Signal Cable
Anderson recommends the use of 18-24 AWG, 4 conductor cable. In addition, it should

befoil shielded with a continuous drain wire (If Factory supplied, Belden #9534 or equivalent).
Although only two conductors and the drain wire are utilized, cable as specied above

willretain its roundness when inserted into the seal-tight grommet. This will prevent moisture
from entering the Field Wireable Connector. The drain (ground) wire should beattached to
ground at only the receiver end. Be sure that this wire is cut back far enough soas not to
make connection with any stainless steel inside the conduit head of the sensor.Installation

as described will prevent induced ground loop currents from owing through thedrain wire

causing errors in the mA signal.

CAUTION: To prevent signal interference, do not run signal cable closer than 12" to

AC wiring.

NOTE: If using customer supplied cable, be sure it is 4-8mm(0.16-0.31") OD. The

use of larger diameter cable will make entry of the cable in to the Field

Wireable Connector difcult, while the use of smaller diameter cable may

allow moisture to enter the connector.

2.4.2 Transmitter Power and Wiring
The model SL/SX Level Transmitter requires 12-36 VDC for proper operation. If below 24
VDC, a regulated supply is recommended. The total loop resistive load (signal wire, signal
receiver, optional display, but not including transmitter) must not exceed the value given in
Figure 2-3 corresponding to the voltage of the DC power supply used. Allow 23.3 ohms per

1000 feet for each conductor of 24 AWG sized wire (the smaller the AWG gauge, the larger

the wire cross section).

FIGURE 2-3 REQUIRED SUPPLY VOLTAGES

FIGURE 2-4 TRANSMITTER LOOP DIAGRAM

HOOK METER TO
TEST POINTS
FOR CALIBRATION

METER MODE
SET TO DC MILLIAMPS

RED METER LEAD
(TEST+)

BLACK METER LEAD
(TEST-)

IF FACTORY SUPPLIED CABLE
BELDEN #9534
(GREEN & WHITE NOT USED)

LOOP - (BLACK)

LOOP + (RED)

SHIELD GROUND
(ONE POINT ONLY)

WIRE RESISTANCE

SIGNAL
RECEIVER

+

-

-+

24VDC
POWER
SUPPLY

PAGE 15

PAGE 16

SHOWN WITH
CAP REMOVED

NOTE: RECEIVER AND METER CONNECTIONS

OMITTED FOR CLARITY

REFER TO FIGURE 2-4 FOR HOOKUP

DEPRESS ZERO/-SWITCH
TO INITATE ZERO CALIBRATION

HOLD FOR 5 SECONDS TO
COMPLETE ZERO CALIBRATION

MODE SWITCH
SET TO RUN MODE

2.5 TRANSMITTER ELECTRONIC "ZERO" CALIBRATION

Upon installation of a new Factory Calibrated unit, prior to the start of Wet Calibration and
as part of routine maintenance a Zero calibration adjustment must be performed. The
transmitter ZERO, (signal output with no pressure applied to the diaphragm), is 4.00 mA.
Although the calibration may be performed without additional tools, testpoints have been
provided for monitoring the mA output signal from the transmitter. For maximum accuracy

we recommend performing a sensor zero about three (3) weeks after initial installation, or

following several heat/cool cleaning cycles. Both vessel and transmitter should be at a stable
temperature. Recommend after process prior to CIP.

See Figure 2-5, Zero Calibration Procedure, for the location of the Zero switch. Depressing

for 5 seconds automatically "zeros" the output.

CAUTION:

• Field wiring MUST be complete – loop power (12-36 VDC) applied

• Transmitter MUST be installed in vessel

• Verify NO product contact to diaphragm

• Vessel MUST be vented to atmosphere

• DO NOT depress SPAN switch

Once Zero calibration has been performed, sensor output will return to 4.00 mA. This is the
proper output to signify an empty vessel – ZERO calibration is complete.

NOTE: No adjustment to the SPAN is necessary. ZERO and SPAN settings are non-

interactive, having no effect on each other.

FIGURE 2-5 ZERO CALIBRATION PROCEDURE

Caution: Do not open the sensor enclosure in wet or spray-down environments. Moisture
ingression can cause premature electronics failure.

PAGE 17

Example: Product=Water (Specific Gravity =1.00)

Each vessel is full to top
Calibration = 20 mA @ 100" Water Column

HEIGHT =100"

ID = 12"

4.00 mA

8.00 mA

12.00 mA

16.00 mA

20.00 mA20.00 mA

16.00 mA

12.00 mA

8.00 mA

4.00 mA

LINEAR VESSEL CYLINDRICAL HORIZONTAL

SENSOR

SENSOR

4.00 mA

8.00 mA

12.00 mA

16.00 mA

20.00 mA 20.00 mA

16.00 mA

12.00 mA

8.00 mA

4.00 mA

ID = 12"

HEIGHT =100"

HEIGHT =100"

ID = 120"

Example: Product=Water (Specific Gravity =1.00)

Each vessel is full to top
Calibration = 20 mA @ 100" Water Column

7.454

SENSOR SENSOR

ID = 100”

Section 3 Calibration

3.1 FIELD OR "WET" CALIBRATION

Caution: Improper changes to programmed parameters following installation and
commissioning can result in incorrect output signal.
Caution: Improper calibration can cause incorrect output signal.

The following section will illustrate various methods for calibration of an SL/SX transmitter.
The application of the sensor will determine which calibration method is followed. Be sure

to read all information as presented. For additional assistance you may call your authorized

Anderson Distributor, or Anderson Instrument Technical Services directly.

3.11 Basics of Tank Geometry

Tank geometry is the rst and foremost factor in designing a tank gauging system. In the

sections that follow, examples will be given for linear versus non-linear vessels. Each
application presents a different set of requirements. Simple straight sided linear vessels may
have their sensors interfaced with basic Digital Indicators or Displays. These units simply
apply the amount of signal measured, as a percentage against the full span (volume/weight)
of the vessel. Non-linear vessels, however, require indicators capable of higher level math
functions. Custom lookup (tank tables) tell the indicator what the vessels shape (Volume to

Height Ratio) looks like. In this case, sensors must be interfaced with Microprocessor Based

Gauging Systems or Programmable Logic controllers (PLC’s).

The SL/SX transmitter is designed to output a linear 4-20 mA signal proportional to the height
of liquid above it. As the SL/SX signal output is based on vertical head pressure only, the

horizontal surface area of the vessel has no effect on the reading.

FIGURE 3-1 LINEAR VESSEL SIGNALS

As you can see from the above gure, it is only the height of the product column that inuenc­es the output signal of the SL/SX transmitter. For straight sided linear vessels (Silo type), as in

the above gure, sensors may be interfaced with standard Digital Monitors or Programmable

Logic Controllers (PLC’s) using simple proportional logic.

Example: Empty tank 4.00 mA 0% Full
¼ tank 8.00 mA 25% Full
½ tank 12.00 mA 50% Full
¾ tank 16.00 mA 75% Full
Full tank 20.00 mA 100% Full

Vessels that do not have a proportional volume to height ratio are termed non-linear. In these
cases, the SL/SX continues to reference ONLY the height of the liquid column above it. The
signal is NOT proportional to the non-linear volume to height differences.

PAGE 18

CONE

BOTTOM

DISH

BOTTOM

HORIZONTAL

CYLINDRICAL

Example: Product=Water (Specific Gravity =1.00)

Each vessel is full to top
Calibration = 20 mA @ 100" Water Column

HEIGHT =100"

ID = 12"

4.00 mA

8.00 mA

12.00 mA

16.00 mA

20.00 mA20.00 mA

16.00 mA

12.00 mA

8.00 mA

4.00 mA

LINEAR VESSEL CYLINDRICAL HORIZONTAL

SENSOR

SENSOR

ID = 100”

FIGURE 3-2 NON-LINEAR VESSEL SIGNALS

As you can see in the above gure, when comparing a linear vessel (Silo) to a non-linear
vessel (Horizontal Cylindrical), the sensor output appears unchanged. However, if we

attempt to apply proportional calculations to the non-linear tank, the resulting values will not
be correct. For example, 25% of height is 25% of volume in a linear vessel, but 25% of height
is NOT 25% of volume in a non-linear vessel. It is for these reasons that a display capable
of performing calculations will be required to convert sensor output to usable volume / weight
data. In this case a Microprocessor based Gauging System, or PLC based system will be
required.

The common examples of non-linear vessels are shown in the following gure. Again,
mathematical lookup tables will be required to convert (Linearize) the signal output from the

SL/SX.

FIGURE 3-3 NON-LINEAR VESSEL EXAMPLES

PAGE 19

3.12 Basics of Specic Gravity

The effects of product Specic Gravity also plays a major role in setting up a gauging system.
Specic gravity is nothing more than the weight of the product versus the weight of water.

Example:

• Water = 8.345 Pounds Per Gallon

• Raw Milk = 8.62 Pounds Per Gallon

• Water Specic Gravity = 8.345 ÷ 8.345 = 1.00

• Raw Milk Specic Gravity = 8.62 ÷ 8.345 = 1.032

• Water is always used as the base reference

• As you can see, Raw Milk is .032 greater than water

• In other words, Milk is approximately 3.2% heavier than water

The resulting number, if less than 1.00 signies that a product is lighter than water, and
conversely if greater than 1.00 signies a product that is heavier than water. As the Anderson
SL/SX transmitter is a pressure based device, specic gravity of a given product directly
inuences the resulting signal output of the unit. In a basic application, with a product in
a vessel that remains constant, a sensor may be calibrated specically for that product.

If a lighter or heavier product is placed into the vessel, the output signal will change. In
applications where it is known up front that multiple products will be held in the vessel,
indicators capable of higher level math functions will again be required (Microprocessor
based systems or PLC’s). In these applications, calculations must be made to compensate

for products of varying specic gravities.

PAGE 20

CALIBRATION RANGE- FOUND AT END OF MATRIX CODE

3.2 SENSOR FACTORY CALIBRATION OVERVIEW

Warning! Do not remove this sensor from the process while it is operating. Removal while
the process is operating can contaminate the process and could cause human injury.
Caution: Attempting to disconnect or change wiring to this sensor during process operation
can cause loss of signal to the control system!
Caution: Do not open the sensor enclosure in wet or spray-down environments. Moisture
ingression can cause premature electronics failure.

Unless an SL/SX Sensor is going to be utilized in a vessel where a eld Wet Calibration (Tank

Table Development) is going to take place, it is shipped from Anderson pre-calibrated. The
calibrated range of the transmitter is generally determined from either a tank print supplied
by the Customer / Distributor, or by actual measurements gathered by the Customer /

Distributor. This information, used in conjunction with the product specic gravity, transmitter

orientation and process temperature are used to provide a unit factory calibrated to the actual
application.

The calibration measurement range of a transmitter, as ordered from the above information, is
etched on the body of the unit along with a corresponding model and serial number.

FIGURE 3-4 SENSOR CALIBRATION DATA

Example:

• Vertical storage tank for Ice Cream Mix

• Product Specic Gravity = 1.15

• Straight side height above sensor = 100 inches

• Calibration = 100” x 1.15 = 115.0" Water Column

• It is at this value that the sensor has been set to output full scale signal, or 20.00
mA

When calibrating at the factory, the sensor is oriented as it will be in the vessel, since changes

in the angle of the sensor will cause "zero offset". The sensor is then ZEROED to a 4.00 mA

output with no pressure applied. Next, a pressure equal to the maximum pressure exerted by
a full tank of product is placed on the diaphragm. The sensor is then SPANNED to a 20.00
mA output at this pressure.

27.7” Water Column = 1 psig Pressure

Warning! Do not subject this sensor to pressure that exceeds the specied upper
range limit. Over-pressure may cause premature failure, incorrect output signal, or possible
human injury.

NOTE: Once installed in the vessel, the sensor ZERO must be reset. At that point, the

unit will be ready for operation.

PAGE 21

BLACK METER LEAD
(TEST-)

RED METER LEAD
(TEST+)

METER MODE
SET TO DC MILLIAMPS

HOOK METER TO
TEST POINTS
FOR CALIBRATION

SET TO CURRENT CAL

NOTE: PROPER LOOP WIRING MUST BE ESTABLISHED,

NOT SHOWN FOR CLARITY.

3.3 CALIBRATION VERIFICATION - UTILIZING ON-BOARD SETUP

Utilizing a digital multimeter attached to the on-board testpoints, the SL/SX transmitter may be

switched to an alternate output mode whereas the signal viewed on the meter is proportional to

the current calibration range of the transmitter. Hookup is as follows:

FIGURE 3-5 CURRENT CAL VERIFICATION HOOKUP

As shown, set operating switch to CURRENT CAL position. The signal displayed on the meter
at this point is directly proportional to the current SPAN setting of the sensor. Using the following
procedure, this value can be converted to the “Inches of Water Column" calibration value:

CAUTION: Placing unit in CURRENT CAL may cause alarms and valve switches.

1. Determine Max Sensor Range for the model that is being tested
(First numeric digit in Model Number – stamped on side of transmitter)

Model SL1 & SL5/SX5: Max Sensor Range = 145

Model SL2 & SL6/SX6: Max Sensor Range = 420
Model SL3 & SL7/SX7: Max Sensor Range = 835

Model SL4 & SL8/SX8: Max Sensor Range = 1390

2. Perform calculation to determine current inches of Water Column calibration

[[Meter Reading – 4.00] ÷ 16] x Max Sensor Range = Current Cal in "WC

3. Once calibration has been determined, move switch back to RUN position to

continue operation

4. If value determined matches value in model number, unit is properly calibrated

5. If value does not match value in model number, sensor calibration has been

altered since unit left the factory – see sections that follow for proper re-calibration
procedures

PAGE 22

PRESSURE PUMP

DIGITAL PRESSURE CALIBRATOR

(SUGGESTED UNIT)

CRYSTAL ENGINEERING
PHONE: [phone]

MODEL: 212-030PSI-G-HR

SNAP FIT CALIBRATION ADAPTER
(SEE APPENDIX A)

3.4 CALIBRATION VERIFICATION - UTILIZING EXTERNAL PRESSURE SOURCE

If available, an external pressure calibrator may be used to determine the current calibration
of a sensor. Test procedure is as follows:

FIGURE 3-6 PRESSURE PUMP HOOKUP

PAGE 23

BLACK METER LEAD
(TEST-)

RED METER LEAD
(TEST+)

METER MODE
SET TO DC MILLIAMPS

HOOK METER TO
TEST POINTS
FOR CALIBRATION

SET TO RUN MODE

NOTE: PROPER LOOP WIRING MUST BE ESTABLISHED,

NOT SHOWN FOR CLARITY.

FIGURE 3-7 PRESSURE CAL VERIFICATION HOOKUP

Caution: Do not open the sensor enclosure in wet or spray-down environments. Moisture
ingression can cause premature electronics failure.

1. Remove sensor from vessel if already installed – leave loop wiring attached

2. Provide loop power to sensor if performing a bench test

3. Attach snap t calibration adapter to sensor tting (Available from Anderson)

4. Sensor MUST remain stationary, with no movement

5. Perform ZERO calibration as described in this manual

6. Set pressure calibrator to proper range

7. Set multimeter to 4-20 mA DC scale, make connections at “TEST +” and “TEST -” testpoints

8. Using pressure pump, increase pressure until 20.00 mA is seen on the multimeter

9. Read “Water Column” from Pressure Calibrator – this is current sensor calibration

10. If value determined matches value etched on side of sensor, calibration ok

11. If value does not match value in model number, sensor calibration has been altered since
unit left the factory – see sections that follow for proper re-calibration procedures

PAGE 24

3.5 CALIBRATION - UTILIZING ON-BOARD SETUP

Caution: Do not open the sensor enclosure in wet or spray-down environments. Moisture
ingression can cause premature electronics failure.

The SL/SX transmitters utilize on-board "Setup" circuitry to perform maintenance and calibration.
With these tools, in addition to a digital multimeter, it is possible to perform a eld calibration / re-

calibration of the output range.

Note:

• Use caution if altering factory calibration – no record will exist at Anderson
pertaining to changes

• Calibration MUST remain within range parameters of unit – be sure to refer to tables
provided

• Loop power MUST be supplied to sensor

Tools Required: Digital Multimeter
Calculator

1. Determine Sensor Cal Max for the model that is being calibrated

(Model determined from rst numeric digit in model number – stamped on side of

transmitter)

Model SL1 & SL5/SX5: Sensor Cal Max = 145 Full Operating Range = 0-30” to 140” WC
Model SL2 & SL6/SX6: Sensor Cal Max = 420 Full Operating Range = 140.1 to 415” WC
Model SL3 & SL7/SX7: Sensor Cal Max = 835 Full Operating Range = 415.1 to 830” WC
Model SL4 & SL8/SX8: Sensor Cal Max = 1390 Full Operating Range = 830.1 to 1385” WC

NOTE: When re-calibrating a unit, you must remain within unit FULL OPERATING

RANGE

Example:

• An SL1/SL5/SX5 series unit currently set to 20 mA @ 88” WC

• This unit can be calibrated as low as 30” WC Span to a Max of 140” WC span

2. Determine Desired Calibration, in Inches of Water Column (“WC)

Example: Height Above Sensor In Inches (100”) x
Specic Gravity of Product (1.032) = 103.2”WC

3. Determine Current Cal Value for calibration using the following formula:

[[[STEP 2 VALUE ÷ STEP 1 VALUE] x 16 ] + 4.00] = New Current Cal Value

Note: Record new Current Cal Value for your records

4. Perform meter hookup as shown in the following gure – Set MODE SWITCH to FIELD CAL
position

PAGE 25

BLACK METER LEAD
(TEST-)

RED METER LEAD
(TEST+)

METER MODE
SET TO DC MILLIAMPS

HOOK METER TO
TEST POINTS
FOR CALIBRATION

SET TO FIELD CAL

NOTE: PROPER LOOP WIRING MUST BE ESTABLISHED,

NOT SHOWN FOR CLARITY.

FIGURE 3-8 FIELD CAL HOOKUP

5. Meter output will automatically move to 19.99 – sensor is waiting for entry of new calibration

range

6. SPAN switch secondary function is “+”, and the ZERO switch secondary function is “-”

7. Using these two switches, raise or lower the value currently displayed on the meter until the
value determined in step three (3) has been reached

8. Once the proper value has been reached, simultaneously depress BOTH the SPAN/+ and
the ZERO/- switches for one (1) second – this will lock in new sensor calibration

9. Place Mode Switch in "Current Cal" position and verify meter is reading value determined in

step three (3). If value is correct proceed to step ten (10), if value is incorrect repeat process
beginning at step four (4).

10. Calibration complete - mode switch set to "RUN MODE" position - place unit back into vessel

- perform "ZERO" calibration

CAUTION: Placing unit in FIELD CAL may cause alarms and valve switches.

PAGE 26

PRESSURE PUMP

DIGITAL PRESSURE CALIBRATOR

(SUGGESTED UNIT)

CRYSTAL ENGINEERING
PHONE: [phone]

MODEL: 212-030PSI-G-HR

SNAP FIT CALIBRATION ADAPTER
(SEE APPENDIX A)

3.6 CALIBRATION - UTILIZING EXTERNAL PRESSURE SOURCE

Caution: Improper calibration can cause incorrect output signal.

If available, an External Pressure Calibrator may be used to perform a eld calibration / re-

calibration of the range on the SL/SX Series Transmitter.

Note:

• Use caution if altering factory calibration – no record will exist at Anderson
pertaining to changes

• Calibration MUST remain within range parameters of unit – be sure to refer to
tables provided

• Loop power MUST be supplied to sensor

Tools Required: Pressure Calibrator (Equivalent to unit as described)

Digital Multimeter

1. Determine if desired range is within Full Operating Range of sensor

(Model determined from rst numeric digit in model number – stamped on side of

transmitter)

Model SL1 & SL5/SX5: Full Operating Range = 0-30” to 140” WC
Model SL2 & SL6/SX6: Full Operating Range = 140.1 to 415” WC
Model SL3 & SL7/SX7: Full Operating Range = 415.1 to 830” WC
Model SL4 & SL8/SX8: Full Operating Range = 830.1 to 1385”WC

2. Perform hookup of pressure calibrator as shown in the following gure – orient sensor in a

location where easy access may be made to the internal setup switches

FIGURE 3-9 PRESSURE PUMP HOOKUP

3. Perform hookup of Multimeter as shown in the following gure:

FIGURE 3-10 PRESSURE CAL HOOKUP

BLACK METER LEAD
(TEST-)

RED METER LEAD
(TEST+)

METER MODE
SET TO DC MILLIAMPS

HOOK METER TO
TEST POINTS
FOR CALIBRATION

SET TO RUN MODE

NOTE: PROPER LOOP WIRING MUST BE ESTABLISHED,

NOT SHOWN FOR CLARITY.

PAGE 27

4. Sensor MUST remain stationary, with no movement

5. Perform ZERO calibration – depress ZERO switch for ve (5) seconds – meter will show

4.00 mA

6. Using Pressure Pump, apply desired pressure to sensor

7. Once desired pressure has been achieved, depress SPAN switch for ve (5) seconds – this
will program new calibration range

8. Release calibration pump pressure

9. Be sure mA meter reading returns to 4.00 mA – If not, sensor orientation may have moved

while performing calibration, return to step 5 and repeat process

10. Momentarily place Mode Switch to "Current Cal" position and record meter reading for your
records. Return Mode Switch to Run Mode and proceed to step eleven (11).

11. Install sensor back into vessel and perform a ZERO calibration – unit is ready for service at
this time

PAGE 28

3.7 CALIBRATION - UTILIZING HART COMMUNICATOR

Caution: Improper changes to programmed parameters following installation and commissioning
can result in incorrect output signal.

Security jumper must be in place to change settings utilizing a HART Communicator (HHT). HHT
must be connected to the loop. Test terminals do not carry the HART signal.

Follow the procedure below:

ZERO TRIM

1.) Power the transmitter, conrm transmitter is installed and tank is empty. The signal loop
must have atleast 250 ohms resistance for HHT function.

2.) Connect the "HART" HHT across the transmitter terminals, or the resistor in the loop.

3.) Turn on the HHT , wait until communications are established and the Home Menu is

displayed.

4.) If the Process Value is not with in specication after stabilization:

1. Select Device Setup

2. Select Detail Setup

3. Select Sensors

4. Select Pres Sensor

5. Select Sensor Trim

6. Select Zero Trim

7. Observe Warning Select OK

8. Observe Warning Select OK

9. Verify Tank Empty Select OK

10. Sensor is now zero'd Select OK

11. From Sensor Trim Menu Select Home to return to Home Menu

12. Verify Process Value is now within specication

SENSOR RERANGE

UTILIZING KEYPAD

1. Select Device Setup

2. Select Basic Setup

3. Select ReRange

4. Select Keypad ReRange

5. Select PV URV

6. Enter New Value, Select Enter

7. Select Send

8. Observe Warning Select OK

9. Observe Warning Select OK

10. New Value has now been accepted by

sensor

11. From Keypad ReRange menu Select

Home to return to Home Menu

FIGURE 3-11 HART COMMUNICATOR WIRING

UTILIZING APPLIED PRESSURE

1. Select Device Setup

2. Select Basic Setup

3. Select ReRange

4. Select Apply Values

5. Observe Warning, Select OK

6. Select 20mA

7. Pressurize sensor to desired URV, Select OK

8. Conrm Process Value Display, Select Enter

9. Select Exit

10. Observe Warning, Select OK

11. From ReRange Menu Select Home to return

to Home Menu

®

FIGURE 3-12 HART COMMAND FLOWCHART

PAGE 29

1 - Device Setup
2 - Pres
3 - PV A01
4 - URV
5 - LRV

1 - Process Variables
2 - Diag/Service
3 - Basic Setup
4 - Detailed Setup
5 - Review

1 - Pres
2 - PV % Rnge
3 - PV A01

1 - Test Device
2 - Loop Test
3 - Calibration

1 - Tag
2 - Pres Units
3 - Pres Xfer Fnctn
4 - Pres Damp
5 - ReRange

1 - Sensors
2 - Signal Condition
3 - Output Condition
4 - Device Information

Manufacturer
Model
PV Unit
PV LSL
PV USL
PV LRV
PV URV
PV Min Span
PV Lower Trim Point
PV Upper Trim Point
PV Xfer Fnctn
PV Damp
PV A0 Alrm Typ
Diaphragm
Fill Fluid
Gasket/O ring
Tag
Date
Write Protect
Universal Rev
Fld Dev Rev
Software Rev

Hardware Rev

Physicl Signal Code
Dev ID

Poll Addr (xed at 0)

Num Req Preams
Descriptor
Message
Final Asmbly Num
PV Snsr S/N

1 - Self Test
2 - Status

1 - 4mA
2 - 20mA
3 - Other
4 - End

1 - Scaled D/A Trim
2 - ReRange
3 - Sensor Trim

In H2O
In HG
mm H2O
mm HG

PSI
Bar
mBar
KG/Sqcm
PA
KPA
TORR

1 - Keypad ReRange
2 - Apply Values

1 - PV
2 - Pres Sensor

1 - PV% Rnge
2 - Pres Xfer Fnctn
3 - Pres Damp
4 - ReRange

1 - PV A01
2 - PV A0 Alrm Typ
3 - Process Variables
4 - Analog Output

5 - Hart Output

1 - Model
2 - Dev ID
3 - Tag
4 - Date
5 - Write Protect
6 - Revision #’s
7 - Construction Matls
8 - Descriptor

9 - Message

- Final Asmbly Num

1 - Proceed
2 - Change

1 - Keypad ReRange
2 - Apply Values

1 - Zero Trim
2 - Upper Trim

1 - PV LRV
2 - PV URV
3 - PV Unit
4 - PV LSL
5 - PV USL

1 - 4mA
2 - 20mA
3 - Exit

1 - Pres
2 - Pres Units
3 - Sensor Trim

1 - Keypad ReRange
2 - Apply Values

1 - Pres
2 - PV% Rnge
3 - PV A01

1 - Loop Test
2 - Scaled D/A Trim

1 - Poll Addr (xed at 0)
2 - Num Req Preams

1 - PV LRV
2 - PV URV
3 - PV Unit
4 - PV LSL
5 - PV USL

1 - 4mA
2 - 20mA
3 - Exit

IN H2O
IN HG
mm H2O
mmHG

PSI
Bar
mBar
KG/Sqcm
PA
KPA
TORR

1 - Zero Trim
2 - Upper Trim

1 - PV LRV
2 - PV URV
3 - PV Unit
4 - PV LSL
5 - PV USL

1 - 4mA
2 - 20mA
3 - Exit

1 - 4mA
2 - 20mA
3 - Other
4 - End

1 - Proceed
2 - Change

PAGE 30

Section 4 Maintenance and Troubleshooting

Warning! Before removing for service or calibration, ensure that tank is empty.

4.1 GENERAL

Required maintenance of the SL/SX transmitter includes a yearly calibration program, along

with routine visual verication of the venting system integrity. In addition, a visual check of the

diaphragm and gasket should take place at minimum-6 month intervals. Small dents in the

diaphragm will cause a "pre-load" or positive zero offset, which generally can be adjusted out.

Larger dents, creases, or punctures are very detrimental and may require a complete repair or
replacement.

NOTE: The transmitter should be left in place for normal cleaning operations. Removal of the

unit opens risk for damage to the diaphragm area. If the transmitter must be removed,
a protective cap should be immediately placed over the diaphragm area. Be sure that
the cap does not press on the diaphragm directly. The external surfaces of this sensor
can be cleaned along with the equipment or piping system that it is installed on, using
cleaning and disinfecting solutions designed for use on hygienic equipment.

4.2 CALIBRATION CHECKS

To maintain proper accuracy, Anderson recommends yearly ZERO signal (4.00 mA) checks. A

record of these readings will help to maintain a consistent schedule. If re-zeroing does not correct

inaccuracies seen in the receiver, calibration of the receiver itself should be performed. Consult
associated manuals for your individual equipment.

CAUTION: Unless performing full calibration of the unit, do not adjust the "SPAN". This

adjustment is Factory set. Testing of the transmitter "SPAN" will require stepping
through one of the procedures outlined in the Calibration section (section 3) or the
use of a stand alone pressure calibration system. The unit may also be returned
to the factory for calibration. Call Anderson Technical Services directly for further
information.

CAUTION: Verify that the sensor is operating properly after re-installation, and prior to start-

up of control system. When power is first applied, signal should read 4.00mA before
any hydrostatic pressure is applied.

4.3 VENT SYSTEM

The model SL/SX Level Transmitter utilizes an integral stainless steel atmospheric vent. The

system vent must be maintained to allow for proper operation of the unit.

• Be sure the atmospheric vent area is not obstructed. These ports must be open
and free from debris. DO NOT use sharp objects to free foriegn material from this
area. Flush with warm-low pressure water.

4.4 GASKETS

Anderson recommends that gaskets be changed once a year. It is important that the holding nut
not be over tightened when reinstalling a transmitter. Forcing the nut will push the gasket into
the tank. Always do a visual check from the inside of the vessel to be sure the gasket is properly
sealed.

NOTE: If you are utilizing Teflon gaskets, these gaskets must be discarded each time the

transmitter is removed from the tank. Unlike standard silicone gaskets, Teflon
material retains any imperfections resulting from scratches or damage in the shell
surface. When utilized again, the imperfections may result in an unsanitary seal.

PAGE 31

4.5 TROUBLESHOOTING

As with any current loop, power supply and loop continuity are both imperative. If a problem
occurs, a methodical approach, beginning at the power supply is best.

4.5.1 Troubleshooting Steps

1. Measure power supply voltage across "loop+" and "loop-" terminals. Meter will read
between 12 and 36 VDC. (meter set to DC volts)

2. Disconnect one wire (+) from the signal receiver and install an accurate milliamp
meter in series with the receiver. The signal should correspond proportionally to the
height of liquid in the tank. (meter set to DC mA)

3. If step 1 and 2 are satisfactory , the problem is with the receiver. (If supplied by
Anderson, refer to the instruction manual for that instrument).

4. Check all wiring connections between loop components. If OK, proceed to step 5.

5. With loop disconnected, the next step is to determine if there is a short to the
housing. This is accomplished by placing the (+) lead of the ohm meter on the loop+
terminal, and the (-) lead to the housing. The process should then be reversed. In

both cases, the meter should register innite resistance. The process should then be
repeated on the loop- terminal of the sensor. Again, the meter should register innite

resistance. If test is OK, proceed to step 6,

6. Wire transmitter independently of loop using two 9 volt batteries for power and

milliamp meter as a receiver. If signal is proper, approximately 4mA with no product
on sensor, then problem is with external wiring.

NOTE: Be sure to observe proper polarity as described in Figure 2-4

If any of the above indicate a transmitter problem, call your local distributor, or Anderson
Technical Service directly.

NOTE: Tank shell "plugs" are available from the factory if a tank must be used while the sensor

is out for repair. Contact the Technical Service Department at 1-518-922-5315 for details.
Have the transmitter serial number on hand to expedite shipping of the proper plug.

PAGE 32

Appendix A - Spare Parts and Accessories

Weld-In Tank Shells (for new applications)

Anderson Long Shell - 316L Stainless 71060A0003
Anderson Short Shell - 316L Stainless 71060A0004
Anderson Long for ASME Pressure Vessel 71060A0005
Anderson Short for ASME Pressure Vessel 71060A0006

Anderson Long Shell - Hastelloy 71060A0007
Anderson Short Shell - Hastelloy 71060A0008
Anderson Long Heavy-Duty for ASME Pressure Vessel 71060A0009

Tank Shell Plugs (supplied with nut and gasket)

Anderson Long Tank Shell Plug 56511B0001
Anderson Short Tank Shell Plug 56511B0002

Cherry Burrell Long Tank Shell Plug 56511A0001
Cherry Burrell Short Tank Shell Plug 56511A0002

King Long Tank Shell Plug 56511C0001
King Medium Tank Shell Plug 56511C0002
King Short Tank Shell Plug 56511C0003

Tank Mate Long Tank Shell Plug 56511D0001
Tank Mate Medium Tank Shell Plug 56511D0002
Tank Mate Short Tank Shell Plug 56511D0003

Level Sensor Replacement Gaskets

Anderson Style Sensor - Silicone Rubber 44348A0001 (this gasket std)

Anderson Style Sensor - Teon® 44348B0001
Cherry Burrell Style Sensor - Silicone Rubber 44292A0001 (this gasket std)

King Gage Style Sensor - Rubber "O" Ring 36240S0212 (this gasket std)
Tank Mate Style Sensor - Rubber "O" Ring 36240S0123 (this gasket std)

Continental - 2 Rubber "O" Rings 5658900000 (this gasket std)
Endress + Houser - Silicone 45352A0001 (this gasket std)

Rosemount - Rubber "O" Ring 36240E2341 (this gasket std)

Existing Shell Adaptor Kits

Tank Mate Shell Adaptor (provides threaded connection for sensor)
For insulated (medium and long length) shells 57200A0001
For Un-insulated (short) shells 57200A0002

Calibration Adaptor

• Provide quick connect tting to sensor - for use with eld pressure calibration equipment

• Provides sensor-to-female threaded connection

Anderson Style Fitting Calibration Adapter 73198A0001
Cherry Burrell Style Fitting Calibration Adapter 73198A0002
King Gage Style Fitting Calibration Adapter 73198A0003
Tank-Mate Style Fitting Calibration Adapter 73198A0004

PAGE 33

Appendix B

Intrinsically Safe Requirements for SX Transmitter

The following drawing ilustrates additional requirements which must be met in order to prop-

erly wire an SX transmitter to be recognized as Intrinsically Safe. Specications which must

be met when choosing a barrier strip have been provided.

NOTE: Anderson does not offer barrier strips for sale at this time - please see your local

electrical component supplier.

CAUTION:
ALL documented requirements MUST be met. An SX wired without a barrier strip will

not meet the guidelines for Intrinsically Safe applications.

PAGE 34

PAGE 35

Appendix C

Warranty and Return Statement

These products are sold by The Anderson Instrument Company (Anderson) under the war­ranties set forth in the following paragraphs. Such warranties are extended only with respect
to a purchase of these products, as new merchandise, directly from Anderson or from an An-

derson distributor, representative or reseller, and are extended only to the rst buyer thereof

who purchases them other than for the purpose of resale.

Warranty

These products are warranted to be free from functional defects in materials and workman­ship at the time the products leave the Anderson factory and to conform at that time to the

specications set forth in the relevant Anderson instruction manual or manuals, sheet or

sheets, for such products for a period of two years.

THERE ARE NO EXPRESSED OR IMPLIED WARRANTIES WHICH EXTEND BEYOND
THE WARRANTIES HEREIN AND ABOVE SET FORTH. ANDERSON MAKES NO WAR­RANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE WITH

RESPECT TO THE PRODUCTS.

Limitations

Anderson shall not be liable for any incidental damages, consequential damages, special
damages, or any other damages, costs or expenses excepting only the cost or expense of
repair or replacement as described above.

Products must be installed and maintained in accordance with Anderson instructions. Users
are responsible for the suitability of the products to their application. There is no warranty

against damage resulting from corrosion, misapplication, improper specications or other

operating condition beyond our control. Claims against carriers for damage in transit must be

led by the buyer.

This warranty is void if the purchaser uses non-factory approved replacement parts and sup­plies or if the purchaser attempts to repair the product themselves or through a third party

without Anderson authorization.

Returns

Anderson’s sole and exclusive obligation and buyer’s sole and exclusive remedy under the
above warranty is limited to repairing or replacing (at Anderson’s option), free of charge, the

products which are reported in writing to Anderson at its main ofce indicated below.

Anderson is to be advised of return requests during normal business hours and such returns

are to include a statement of the observed deciency. The buyer shall pre-pay shipping

charges for products returned and Anderson or its representative shall pay for the return of
the products to the buyer.

Approved returns should be sent to: ANDERSON INSTRUMENT COMPANY INC.
156 AURIESVILLE ROAD
FULTONVILLE, NY 12072 USA

ATT: REPAIR DEPARTMENT

ANDERSON INSTRUMENT CO., INC • 156 AURIESVILLE RD. • FULTONVILLE, NY 12072 • USA • 800-833-0081 • FAX [phone]

ANDERSON INSTRUMENT CO. LP • 400 BRITANNIA RD. EAST, UNIT 1 • MISSISSAUGA, ONTARIO L4Z 1X9 • CANADA • 905-603-4358 • FAX [phone]

NEGELE MESSTECHNIK GmbH (A Division of Anderson) • RAIFFEISENWEG 7 • D-87743 EGG A. D. GÜNZ • GERMANY • +49 (0) 8333/9204-0 • FAX [phone]

www.anderson-negele.com