Tek-Trol 1700B-C-4-1-T-2-1-8-1 User manual

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TEK-T HERMAL 1700B

Thermal Mass Flow Meter

Instruction Manual

Document Number: IM-1700B

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Table of Contents

1 Safety Instructions ...................................................................................................... 3

1.1 Intended Use ................................................................................................................. 3

1.2 Certification ................................................................................................................... 3

1.3 Safety Instructions from the Manufacturer .................................................................... 3

1.4 Safety Precautions ......................................................................................................... 4

1.5 Packaging, Transportation, and Storage ......................................................................... 5

1.6 Nameplate..................................................................................................................... 6

2 Product Description .................................................................................................... 7

2.1 Introduction .................................................................................................................. 7

2.2 Measuring Principle ....................................................................................................... 7

2.3 Specifications ................................................................................................................ 8

2.4 Dimensional Drawings ................................................................................................... 8

2.5 Model Chart .................................................................................................................. 9

Disclaimer .......................................................................................................................... 3

Product Liability and Warranty ......................................................................................... 3

Information Concerning the Documentation .................................................................... 3

Packaging ........................................................................................................................... 5

Transportation ................................................................................................................... 5

Storage .............................................................................................................................. 5

3 Installation ................................................................................................................ 10

3.1 Selecting the Installation Location ................................................................................ 10

Standard Installation ....................................................................................................... 11

Installation for bend pipeline is at upsteram or downstream ........................................ 11

Installation for bend pipeline that may cause turbulence in the upstream or

downstream ................................................................................................................................. 11

Installation when valves or pressure controller or any other device may cause

turbulence in the upstream or downstream of the flowmeter ................................................... 12

Installation for pipe expander ......................................................................................... 12

Installation for pipe reducer ........................................................................................... 12

3.2 Requirement on Insertion Direction .............................................................................. 13

On a horizontal pipeline, normal air or gas ..................................................................... 13

On a horizontal pipeline, high humidity air or wet natural gas ...................................... 14

On a vertical pipeline, when the density of the gas is higher than air ............................ 14

3.3 Installation Procedure .................................................................................................. 15

Nut Sleeve Insertion ........................................................................................................ 15

4 Electrical Connection ................................................................................................ 18

4.1 Grounding of Measuring Device .................................................................................... 18

4.2 Power and Signal Connection ....................................................................................... 19

Wiring for 3-Wire Pulse Output ...................................................................................... 19

Wiring for 3-Wire HART with 4 to 20 mA ........................................................................ 20

Wiring for 4-Wire HART with 4 to 20 mA ........................................................................ 20

Wiring for RS485 ............................................................................................................. 21

5 Operation ................................................................................................................. 22

5.1 Local Operation and Display ......................................................................................... 22

Multi-functional LCD Display ........................................................................................... 23

Total Flow on Display ...................................................................................................... 24

5.2 Parameter Setting ........................................................................................................ 25

Code Setting .................................................................................................................... 25

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5.2.1.1 Code Setting Address .......................................................................................................... 26

5.2.2.1 Digital Setting Address ........................................................................................................ 30

5.3 Bluetooth Access .......................................................................................................... 32

6 Communication ........................................................................................................ 34

6.1 RS485 Modbus ............................................................................................................. 34

6.2 Address of the Displayed Date ...................................................................................... 34

6.3 Address of Code Setting ................................................................................................ 34

7 Maintenance ............................................................................................................. 36

7.1 Sensor Cleaning ............................................................................................................ 36

7.2 Remove transmitter circuit board ................................................................................. 36

8 Troubleshooting ........................................................................................................ 37

8.1 Self-Diagnostic Functions .............................................................................................. 38

Digital Setting .................................................................................................................. 29

Example of Setting .......................................................................................................... 31

Password Setting ............................................................................................................. 31

How to download the application ................................................................................... 32

Access the application ..................................................................................................... 33

Utilize the application ..................................................................................................... 33

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NOTICE

Read this manual before working with the product. For personal and system safety, and for optimum
product performance, make sure you thoroughly understand the contents before installing, using, or
maintaining this product.
For technical assistance, contact
Customer Support
796 Tek-Drive
Crystal Lake, IL 60014
USA
Tel: [phone]

© COPYRIGHT Tek-Trol LLC 2016

No part of this publication may be copied or distributed, transmitted, transcribed, stored in a
retrieval system, or translated into any human or computer language, in any form or by any means,
electronic, mechanical, manual, or otherwise, or disclosed to third parties without the express
written permission. The information contained in this manual is subject to change without notice.

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1 Safety Instructions

1.1 Intended Use

Tek-Thermal 1700B is specially designed for air and N2 applications, such as
compressed air, venting air, aeration, process protection N2, and combustion air.

1.2 Certification

General purpose IP67/NEMA 4X

1.3 Safety Instructions from the Manufacturer

Disclaimer

The manufacturer will not be held accountable for any damage that happens by
using its product, including, but not limited to direct, indirect, or incidental and
consequential damages.
Any product purchased from the manufacturer is warranted in accordance with the
relevant product documentation and our Terms and Conditions of Sale.
The manufacturer has the right to modify the content of this document, including
the disclaimer, at any time for any reason without prior notice, and will not be
answerable in any way for the possible consequence of such changes.

Product Liability and Warranty

The operator shall bear authority for the suitability of the device for the specific
application. The manufacturer accepts no liability for the consequences of misuse by
the operator. Wrong installation or operation of the devices (systems) will cause the
warranty to be void. The respective Terms and Conditions of Sale, which forms the
basis for the sales contract shall also apply.

Information Concerning the Documentation

To prevent any injury to the operator or damage to the device it is essential to read
the information in this document and the applicable national standard safety
instructions. This operating manual contain all the information that is required in
various stages, such as product identification, incoming acceptance and storage,
mounting, connection, operation and commissioning, troubleshooting, maintenance,
and disposal.

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1.4 Safety Precautions

You must read these instructions carefully prior to installing and commissioning the
device. These instructions are an important part of the product and must be kept for
future reference. Only by observing these instructions, optimum protection of both
personnel and the environment, as well as safe and fault-free operation of the device
can be ensured.

For additional information that are not discussed in this manual, contact the
manufacturer

Warnings and Symbols Used

The following safety symbol marks are used in this operation manual and on the
instrument.

WARNING

Indicates a potentially hazardous situation which, if not avoided, could result in

th or serious injury

dea

CAUTION

Indicates a potentially hazardous situation which, if not avoided, may result i

n

minor or moderate injury. It may also be used to alert against unsafe practices.

NOTE

Indicates that operating the hardware or software in this manner may damage it or
lead to system failure.

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1.5 Packaging, Transportation, and Storage

Packaging

The original package consists of

1. Tek-Thermal 1700B Thermal Mass Flowmeter

2. Documentation

NOTE

Unpack and check the contents for damages or signs of rough handling. Report
damage to the manufacturer immediately. Check the contents against the packing
list provided.

Transportation

• Avoid impact shocks to the device and prevent it from getting wet during
transportation.

• Verify local safety regulations, directives, and company procedures with respect
to hoisting, rigging, and transportation of heavy equipment.

• Transport the product to the installation site using the original manufacturer’s

packing whenever possible.

Storage

If this product is to be stored for a long period of time before installation, take the

following precautions:

• Store your product in the manufacturer’s original packing used for shipping.

• Storage location should conform to the following requirements:

o Free from rain and water
o Free from vibration and impact shock
o At room temperature with minimal temperature and humidity

variation

• Before storing a used flowmeter remove any fluid from the flowmeter line
completely. Properties of the instrument can change when stored outdoors.

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1.6 Nameplate

The nameplate lists the order number and other important information, such as
design details and technical data

Check the device nameplate to ensure that the device is delivered according to
your order. Chec

NOTE

k for the correct supply voltage printed on the nameplate.

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2 Product Description

This section covers the reference and specification data, as well as ordering
information.

2.1 Introduction

Tek-Thermal 1700B Thermal Mass Flowmeters, also known as the thermal dispersion
or immersible mass flowmeters, are the precision instruments to measure mass flow
of fluid flowing in a closed channel like a pipe or duct. Tek-Thermal 1700B is specially
designed for air and nitrogen (N2) applications. It has the more compact design. It has
a small enclosure and thin insertion probe tube. It is used in high-pressure
applications.

2.2 Measuring Principle

The Tek-Thermal 1700B measures the gas mass flow based on Thermal Diffusion
theory. It has two RTD (Resistance temperature Detector) sensors. One sensor
measures the velocity of gas flow (Rh) and the other sensor detects the temperature
shift of gas flow (Rmg). When there are two RTDs in the gas flow, Rh will be heated and
Rmg will sense the temperature difference. As the velocity of gas flow increases, more
heat will dissipate and so the temperature read by Rh will decrease.

Tek-Thermal 1700B Thermal Mass Flowmeter design is based on constant power
measuring method, thus the RTD is heated on a consistent power and will be more
durable and stable. Due to that, Tek-Thermal 1700B has less problem of zero-off
which may cause a function failure of RTD due to overheating the term.

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Media capability

Air, Nitrogen (N2)

Pipe diameter

1" to 20"

Flow velocity range

Tek-Thermal 1700B

2.3 Specifications

Accuracy ±0.5% of Reading
Maximum Pressure 232 PSI
Temperature of
medium
Power supply 13.5 to 42 VDC or 85 to 265 VAC
Response time 1 second
Output 4 to 20mA and Pulse standard
Communication Modbus RS485 or HART optional
Display Indication Mass flow, Volume flow in normal condition, Total flow,

Ingress Protection IP65

2 to 200 ft/sec or 1 to 100 ft/sec or 3 to 300 ft/sec

-40°F to 302°F (-40°C to 150°C)

Temperature of medium, Velocity

2.4 Dimensional Drawings

(Ø0.03)

0.47"

9.64"

(0.80 ft)

G 1/2

16.22"

(1.35 ft)

6548.1

(0.23 ft)

2.83"

(0.38 ft)

(0.22 ft)

2.75"

(0.41 ft)

4.96"

4.60"

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2.5 Model Chart

Example

Series

Process Connection

Insertion Probe

Range

Transmitter

Material

Pressure

Output

Power Supply

Diagnostics

Tek-Thermal 1700B

Tek-Thermal 1700B

C

C

T 2 1 8 1 B

4 1

4

1

2

3

T

R

Tek-Thermal 1700B-C-4-1-T-2-1-8-1-B

Thermal Mass Flowmeter

Insertion (NPT)

10" Probe Length, 0.5" Diameter, 1" to 20" Pipe Diameter

2 to 200 ft/sec

1 to 100 ft/sec

3 to 300 ft/sec

Direct Mount

Remote Mount (comes with 16.40 ft of cable)

2

1

7

8

316 SS

232 PSI Max Pressure

Pulse, 4-20 mA, HART

Pulse, 4-20 mA, RS485

1

13.5-42 VDC

85-265 VAC

2

B Bluetooth

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3 Installation

This section covers instructions on installation and commissioning. Installation of the
device must be carried out by trained, qualified specialists authorized to perform such
works.

CAUTION

• When re

moving the instrument from hazardous processes, avoid direct

contact with the fluid and the meter

• All installation must comply with local installation requirements and local
electrical code

3.1 Selecting the Installation Location

The flowmeter is designed to withstand the severe environmental conditions.
However, to ensure stable and accurate operation, observe the following precautions
when selecting an installation location.

• Ambient Temperature

Avoid locations subject to wide temperature variations or a significant
temperature gradient. If the location is exposed to radiant heat from plant

equipment’s, provide adequate thermal insulation and/or ventilation.

• Ambient Atmosphere

Avoid installing the transmitter in a corrosive atmosphere. If the transmitter must
be installed in a corrosive atmosphere, there must be adequate ventilation as well
as measures to prevent intrusion or stagnation of rain water in conduits.

• Shock and Vibration

Select an installation site with minimum shock and vibration (although the
transmitter is designed to be relatively resistant to shock and vibration).

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Standard Installation

Installation for bend pipeline is at upsteram or downstream

Installation for bend pipeline that may cause turbulence in the upstream or
downstream

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Installation when valves or pressure controller or any other device may cause
turbulence in the upstream or downstream of the flowmeter

Installation for pipe expander

Installation for pipe reducer

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3.2 Requirement on Insertion Direction

On a horizontal pipeline, normal air or gas

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On a horizontal pipeline, high humidity air or wet natural gas

On a vertical pipeline, when the density of the gas is higher than air

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3.3 Installation Procedure

Nut Sleeve Insertion

1. Use cutting torch or sharp cutting tool to tap into the pipe. The pipe opening must
be at least 0.5 inch (0.04 ft) in diameter (Do not insert sensor probe through a
smaller hole)

2. Remove the burrs from the tap and sharp edges may causes flow profile disturbance
that can affect the accuracy of flowmeter

3. Weld the MNPT ½” socket (Part No.1) on the open hole. The correct insertion depth
places the centreline of the sensor access hole in probe at the pipe line’s centreline

4. Bolt the ½” ball (isolation) valve (Part No.2) with FNPT threads on both ends of the
socket. Seal the thread connection with thread sealant. The lever on the ball valve
should be up when the valve is open.

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5. Insert the sensor probe through the ball valve (isolation valve) into the pipe. The

correct insertion depth places the sensor at the pipe’s centreline.

6. Calculate the insertion depth of the sensor probe,

Where,

A=Inner diameter of the pipeline

B=Thickness of the pipe line
C=The distance between the top of the pipeline and the upper end of the nut when
the nut is fixed

7. connect the sleeve (Part No.3) on the meter and the ball valve (isolation valve), seal
the thread connection part with thread sealant. Tighten the nut (Part No.4) with
wrench.

 =





+  + 

2

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8. Adjust the direction of the flowmeter, make sure the direction mark on the probe
(Part No.5) is pointing to the direction as the flow goes.

NOTE

If flow rate higher than 66 lb.ft/sec (90Nm/s) or pipe size larger than 8”(DN400),

ll require 19mm diameter probe, mounted in 1” ball valve and 1” socket and

wi

22mm hole

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4 Electrical Connection

This section covers the all electrical connection requirement. Electrical connection of
the device must be carried out by trained, qualified specialists authorized to perform
such work by the installation site.

• Connect all electrical cables when the power is switched off. If the device does

• The device must be grounded to a spot in accordance with regulations in

WARNING

not have switch-off elements, then, overcurrent protection devices, lightning
protection and/or energy isolating devices must be provided by the customer.

order to protect personnel against electric shocks.

NOTE

• When using the measuring device in hazardous areas, installation must comply
with the corresponding national standards and regulations and the Safety
Instructions or Installation or Control Drawings.

4.1 Grounding of Measuring Device

Tek-Thermal 1700B Thermal Mass Flowmeter the power supply of signal processing
circuit is transferred from outside power supply by an isolation type DC-DC
transmitter with advanced grounding technology. The field frequency interference can
be isolated. The “V” terminal of power supply should not be connected to the ground.
When
Tek-Thermal 1700B is used in the strong interference environment, the shell should be
clean and connect to the earth through the cable, so that interference can be
eliminated.

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V +

Power Supply +

V -

Power Supply -

Pulse Output

A+

RS485 Communication +

B-

RS 485 Communication -

I+

Current +

I-

Current -

P+

Pressure Transmitter +

P-

Pressure Transmitter -

Tek-Thermal 1700B

4.2 Power and Signal Connection

It has AC and DC power options. Supply power must be 13.5 to 42 VDC and 85 to 265
VAC.

Wiring for 3-Wire Pulse Output

3-wire pulse output requires a power source of 13.5 to 42 VDC. Tek-Thermal 1700B
use a current pulse output with 50% duty ratio. Add resistor between and “V-”,
the resistance should be within 500Ω to 1000Ω, and power consumption should be
no less than 0.5W

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Wiring for 3-Wire HART with 4 to 20 mA

Wiring for 4-Wire HART with 4 to 20 mA

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Wiring for RS485

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5 Operation

This section covers operation techniques and guidelines.

5.1 Local Operation and Display

Tek-Thermal 1700B provide local display and setting, can display several variables on
the local multifunctional LCD display. It has 3 buttons used for configuration. The local
display enables you to read all important parameters directly at the measuring point
and configure the device using the function matrix. The LCD display indicates output.
Tek-Thermal 1700B has three buttons are placed on the top of the display, which are

used as L-R button, used as U-D button, used as Enter button.

• Pressing the L-R button will move the menu selection to the left/right, or the data
entry field to the left/right if updating a menu value

• Pressing the U-D button will move the menu selection up/down, or increment the
data entry field if you are updating a menu value

• Pressing enter button to save the current value

All the “Digital setting” and “Code Setting” of the flowmeter is made through these 3
buttons.

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Multi-functional LCD Display

Tek-Thermal 1700B Thermal Mass Flowmeter has a display to indicate temperature,
flow rate, total flow and more parameters.

The LCD display has 2 areas to display the content, the upper row, the lower row.
The upper row displays the flow rate, mass flow, and standard flow rate. Below the
upper row displays the unit of the variable displayed in the upper row.
The lower row displays other variables, such as frequency, pressure, temperature,
density and total flow. And below the lower row displays the unit of the variable
displayed in the lower row.

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Tek-Thermal 1700B Multi-Variable version can also display temperature. Users can
switch the parameter displayed on LCD by using the buttons and the next parameter
will be displayed for 30 seconds. Users can also fix the lower row to display a
parameter consistently. You can also set the lower row to display several variables in
circular turn.

Total Flow on Display

The lower row of the flowmeter displays total flow. Tek-Thermal 1700B can display 9
digits left to decimal point and 3 digits right to the decimal point. When more than
six digit displays on LCD, the total flow reading will be displays two times. First
displays the right digits and then displays the left digits. The left digits display with a

mark “x1000”. By using L-R button you can switch the left and the right digits on LCD.

To check the right digits now, press the “L-R button”, the display will be

According to picture, the total flow is 569864.581 kg

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5.2 Parameter Setting

The Tek-Thermal 1700B has three modes as below

• Working Mode

• Setting Mode

• Calibration Mode

Code Setting

• In working mode, press the “Enter” button and “U-D” button at the same time to
entre in the code setting

• In the code setting first row displays the reference number and lower row
displays the content of this parameter

• Use the “L-R” button to move to the next digit and use “U-D” to cycle through
the number. Once the correct value has been entered, hit the “Enter” button to

save current value.

• The C01=02, that is set the pre-heating time to 2 seconds.

• Press the “Enter” button and “U-D” button at the same time to exit the code

setting menu

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Code setting
address

Item

Code

Description of code

C01

Start-up time

01 to 99

Set the start-up time within 1

C02

Density Type

00

Display standard volume flow
rate

01

Density pre-set, display mass
flow

02

Display actual flow rate

C03

Pulse Output Type

00

pulse output off

01

Frequency output

02

Pulse equivalent output

C06

Pulse output parameter

00

Flow rate

01

Temperature

02

Pressure

03

Total Flow

C07

Damping

01 to 16

1 to 16 seconds

C08

Instrument number

00 to 99

For Modbus

00 to 15

For HART communication

C09

Baud rate

01

1200 no parity 1 stop bit

02

1200 even parity 1 stop bit

03

2400 no parity 1 stop bit

04

2400 even parity 1 stop bit

05

4800 no parity 1 stop bit

06

4800 even parity 1 stop bit

07

9600 no parity 1 stop bit

08

9600 even parity 1 stop bit

09

19200 no parity 1 stop bit

10

19200 even parity 1 stop bit

11

1200 odd parity 1 stop bit

12

2400 odd parity 1 stop bit

13

4800 odd parity 1 stop bit

14

9600 odd parity 1 stop

15

19200 odd parity 1 stop bit

16

38400 no parity 1 stop bit

17

38400 even parity 1 stop bit

18

38400 odd parity 1 stop bit

19

57600 no parity 1 stop bit

20

57600 even parity 1 stop bit

21

57600 odd parity 1 stop bit

22

115200 no parity 1 stop bit

23

115200 even parity 1 stop bit

24

115200 odd parity 1 stop bit

Tek-Thermal 1700B

5.2.1.1 Code Setting Address

to 99 seconds
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C10

Time unit for flow rate

00

/s

01

/min

02

/h

C11

Mass unit

01

Kg

02

Ton

03

Lb

C12

Volume unit for flow rate

01

m3

02 L 03

ft3

04

US gal

05

UK gal

C13

Pressure unit

00

kPa (Absolute Pressure)

01

kPa (Gauge pressure, minus
sign for negative pressure)

02

KPa (Gauge pressure)

03

MPa (Absolute pressure)

04

MPa (Gauge pressure, minus
sign for negative pressure)

05

MPa (Gauge pressure)

06

PSI (Absolute pressure)

07

PSI (Gauge pressure, minus
sign for negative pressure)

08

PSI (Gauge pressure)

09

Bar (Absolute pressure)

10

Bar (Gauge pressure, minus
sign for negative pressure)

11

Bar (Gauge pressure)

C14

Temperature unit

01 ℃ 02 ℉ 03

K

C15

Right digits number for

00 to 05

00：No right digits for total
flow

01 to 05：1 to 5 right digits
for total flow

C25

Password for setting
00

Password protection off

01

Password protection on

C26

Fixed max flow

00

Fixed max flow off

011

Fixed max flow on. (If the flow

will show the reading as D039)

C31

Time space for circle

0 to 30

00：circle display off

1 to 30：1 to 30 seconds

different parameter

C32

First parameter

00 to 05

00：circle display off

01 to 05：see chart 4.1
C33

Second parameter

00 to 05

00：circle display off

Tek-Thermal 1700B

total flow

rate measured is over the
setting of D039, the display

display

between the display of

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displayed in circle display

01 to 05：see chart 4.1

C36

Last parameter displayed

00 to 05

Same as above

C40

The date sequence of IEEE

01

Lower 16 bits address in front,

address in front

02

Higher 16 bits address in front,

address in front

03

Lower 16 bits address in front,

address in front

04

Higher 16 bits address in front,

address in front

C41

Shape of pipeline

00

Round pipeline (D: D010)

01

Rectangle pipeline (L:D018
W:D019)

C47

Set password
00

Keep the password

01

Change the pass word

C49

Status

00

Working status

01

4 to 20mA output calibration
statues

02

Flow rate calibration statues

03

Temperature calibration
statues

04

Pressure calibration statues

C50

Total flow reset
00

Reset total flow to 0

01

Default

C60

Restore to backup date

06

Restore to backup date

C61

Save setting backup

16

Save current setting for
backup

C80

Version No. of hardware

Read Only

C81

Version No. of software

Read Only

C82

Calibration date

Read Only

C83

Number of errors

Read Only

C84

Version No. of HART

Read Only

C86

Communication interface
00

Modbus Read Only

01

HART Read Only

C87

Pressure sensor type

00

No pressure sensor Read Only

01

Piezo Read Only

02

Piezo Read Only

03

4 to 20mA Read Only

04

0 to 10mA Read Only

C88

Product ID No.

Read Only

Tek-Thermal 1700B

in circle display

format float of Modbus

the lower 8 bits in the 16 bits

the Higher 8 bits in the 16 bits

the higher 8 bits in the 16 bits

the lower 8 bits in the 16 bits

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Digital Setting

• To enter in to the digital setting, press “Enter” and “L-R” button at the same
time.

• The first row displays the reference number of digital setting and lower row
display the content of this parameter

• Use the “L-R” button to move to the next digit and use “U-D” to cycle through
the number. Once the correct value has been entered, hit the “Enter” button to

save the current value

• In below picture, D001=1.60000, Max flow is 1.6 (unit according to another
setting)

• Press the “Enter” button and “U-D” button at the same time to exit the code
setting menu

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5.2.2.1 Digital Setting Address

Digital setting
address
D001 Max flow rate

D002 Min flow rate

D003 Max frequency

D004 Min frequency

D005 Cut off small

D008 K factor [0 to 999999]
D009 Density [0 to 999999] Unit is Kg/m³
D010 Pipe size [0 to 3281 Unit is feet
D011 Max

D012 Min temperature

D013 Max pressure

14 Min pressure

D015 Ambient

D017 Equivalent of

Item Code Description of code

[-99999，999999]
[-99999，999999]

0.5 to 10000 The frequency output of

output

0.5 to 10000 The frequency output of

output

[-99999，999999]

signal

-99999 to 999999 The max frequency when
temperature
(Unit as set in
C14）

-99999 to 999999 The min frequency when
(Unit as set in
C14）

-99999 to 999999 The max frequency when
(Unit as set in
C13）

-99999 to 999999 The min frequency when
(Unit as set in
C13）

0 to 999999 Unit according to setting

pressure

0 to 999999 Set the equivalent that

pulse output

Unit is same as flow rate,
Max/min flow rate of 4 to
20mA and 200 to 1000Hz
output

max flow, unit is Hz

min flow, unit is Hz
Unit is same as flow rate

temperature is output by
frequency, 1000Hz for
instance. The max current
when temperature is
output by current, 20mA
for instance

temperature is output by
frequency, 200Hz for
instance. The min current
when temperature is
output by current, 4mA for
instance

temperature is output by
frequency, 1000Hz for
instance. The max current
when temperature is
output by current, 20mA
for instance.

temperature is output by
frequency, 200Hz for
instance. The min current
when temperature is
output by current, 4mA for
instance.

one pulse output stands
for Unit as C06

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D018

Length of

pipeline

D019

Width of

pipeline

D030

Temperature of

condition

0 to 20

Default temperature of

D033

Reference flow

0 to 999999

When measured flow rate

the reference flow rate

Code setting

Address

Code

Description

C02

01

Density pre-set

C03

01

Frequency output

C06

00

Output parameter is
flow rate

Digital setting

D009

1.2930

Density=1.293, air

D008

1.000

Factor=1

D001

5000

The flow rate for
1000Hz output

D002

0

The flow rate for
200Hz output

D010

150

Pipe size=150mm

D003

1000

Max output
frequency

D004

200

Min output
frequency

Tek-Thermal 1700B

0 to 3281 Unit is feet

rectangle

0 to 3281 Unit is feet

rectangle

standard

rate

standard condition is 20 °C

is over calibrated max
flow, will display/output

Example of Setting

For insertion connection, measure air in 6” (DN0.5) pipe, density pre-set, unit
displayed in kg/hr, flow range of 0 to 4000kg/hr, 200 to 1000Hz output

Password Setting

In code setting, set C47 to 01.

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To set the new password, use “U-D” button to cycle through numbers and “L-R”
button to move to the next digit. The user must have entered the password twice. If
power is off once the password has been entered, hit “Enter” button to save the
current password value.

5.3 Bluetooth Access

How to download the application

• Visit Apple’s application store

• Search “Tek-trol Bluetooth” or “Tek-Bluetooth” to find our app profile

• Download the application

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Access the application

• Open application

• Enter login information (ID: 20000000007, Verify code:341234)

• This will take you to “device list” where your phone will automatically sync with your

product (you must be close enough)

Utilize the application

Follow prompts and menu to navigate through the many features of our bluetooth

application!

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Register address

Usage

Nature

Date type

0 to 1

Flow rate

Read only

Float

2 to 3

Frequency

Read only

Float

4 to 5

Pressure

Read only

Float

6 to 7

Total Flow

Read only

Float

Tek-Thermal 1700B

6 Communication

This section covers guidelines for setting up RS485 Modbus communication

6.1 RS485 Modbus

The communication interface should be RS485, the range of Baud rate should be 1200

to 115200. The wiring terminal is “A” and “B”. The communication should comply with

MODBUS-RTU.
The combination of a communication signal: Address code - function code – date
segment – CRC calibration code. The distance between two characters should not be
longer than one character, or it will be considered as the beginning of a new message
or the end of an old message. The message is combined with hexadecimal arrays.

6.2 Address of the Displayed Date

The displayable dates including flow rate, pressure, temperature and total flow, if
the meter is not multi-variable version, then the reading of pressure and
temperature will both be 0. The date of the parameters in above chart can be read
by using function code 03 according to the address above and shifting.

6.3 Address of Code Setting

Register Usage Range Nature Date type
1000 Pre-heating time

(warm up) C01

1001 Density

compensation
C02

1002 Method of pulse

output

1004 Output C05 0 to 2 Read/Write Short

1005 Pulse output

parameter
1006 Damping C07 1 to 16 Read/Write Short
1007 Instrument

number C08
1008 Baud rate C09 1-24 Read Short
1009 Unit of time C10 0-2 Read/Write Short
1010 Mass unit C11 0-2 Read/Write Short
1011 Volume unit C12 0-6 Read/Write Short
1012 Pressure unit

C13
1013 Temperature 0-2 Read/Write Short

1 to 99 Read only Short

0 to 2 Read/Write Short

0 to 2 Read/Write Short

0 to 3 Read/Write Short

Hart (0 to 15) MB
(1 to 99)

0-11 Read/Write Short

Read Short

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unit C14

1014

Right digits

flow C15

0-5

Read/Write

Short
1030

Time of circle
display C31

0-30

Read/Write

Short

1031

First parameter

circle display C32

1-5

Read/Write

Short

1032

Second

circle display C33

0-5

Read/Write

Short
1033

Third parameter

circle display C34

0-5

Read/Write

Short

1034

Fourth

circle display C35

0-5

Read/Write

Short
1035

fifth parameter

circle display C36

0-5

Read/Write

Short
1039

Sequence of
float C40

1-4

Read/Write

Short

1040

Shape of pipeline
C41

0-1

Read/Write

Short

1042

The array length

C43

5-50

Read/Write

Short

1048

Status C49

0-10

Read/Write

Short

1049

Total flow reset
to 0 C50

0-1

Read/Write

Short

Tek-Thermal 1700B

number for total

displayed in

parameter

displayed in

displayed in

parameter

displayed in

displayed in

of moist control

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7 Maintenance

This section covers maintenance techniques and guidelines.

7.1 Sensor Cleaning

The sensor is insensitive to the small amount of dirt, but due to continuous use in the
dirty environment will need to do the periodic cleaning.

Follow these instructions while cleaning the sensor

• Disconnect power supply from electronics

• Remove the sensor carefully from pipe

• Clean the sensor with water alcoholic solutions. Use soft brush or cotton bug for

this purpose

• Mount the sensor in pipe and switch on the power supply

7.2 Remove transmitter circuit board

• Disconnect the power supply from electronics

• Remove the front cover of transmitter

• Loosen the 4 screws on the circuit board

• Remove all connections on circuit board and remove the board

• Place new circuit board and plug it

• Tighten the screws and place front cover

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Problem

Cause

Solution

Velocity

Very erratic or non-uniform
flow

Follow installation requirements

Flowmeter installed with less

downstream of the sensor

Follow installation requirements

Insertion sensor probe not
mounted securely

Sensor probe must be mounted
securely without vibration

Earthing circuit loop

Check if wiring to the correct
terminal

Liquid contains in fluid

Install a water filter in upstream
of the meter

Sensor failure

Return to factory for evaluation

The measuring flow is

Sensor is not inserted to the
middle of the pipeline

Please fix the sensor in the
middle of the pipeline

The flowmeter is not vertical

pipeline

Re-install the meter and make the

of the pipe line

No flow measured

The limit of small signal cut
off is set too high

Set the small signal cut off limit to
a lower and proper value

The flow rate in pipeline is

Check if there is high voltage

flowmeter

The flow rate in pipeline is

of the meter

Sense the vibration on the
Flow profile distortion

Try to find another location for

Sensor failure

Return to factory for evaluation

Transmitter failure

Return to factory for evaluation

Extremely turbulent flow

Do not place the meter near a

Tek-Thermal 1700B

8 Troubleshooting

This section provides troubleshooting techniques for most common operating
problems.

Before troubleshooting check the following:

• Wiring of power supply

• Meter’s flow direction

measurement is
erratic or fluctuating

than required minimum pipe
diameters upstream and

too high or too low

to the center line of the

smaller than the lower limit
of the meter

larger than the higher limit

probe vertical to the center line

instrument or high-frequency
interference close to the

pipeline by touch it with hand

the meter

ventilator static mixer or valve

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Error code

Problem

Repair

Err-003

Temperature sensor
disconnected

Check Temperature sensor
Err-004

Pressure sensor disconnected

Check pressure sensor

Err-005

About to over total flow

This is a reminding message

Err-006

Display value over limit

The value is over the physical
limit of the display

Err-013

Button is pressed and hold for
too long time

Check the button circuit
Err-014

Reset code setting failed

Check EEPROM

Err-015

Reset digital setting failed

Check EEPROM

Err-016

Read total flow error

Check EEPROM

Err-017

Temperature calibration
setting is the wrong

Check the record of
temperature calibration

Err-018

pressure calibration setting is
the wrong

Check the record of pressure
calibration

Err-020

Flow rate limit setting is
incorrect

Check the flow rate limit
setting

Err-023

Communication connection
error

Check the communication link
Err-026

Pulse equivalent is set too high

Reset D017

Err-027

Pulse equivalent is set too low

Reset D017

Tek-Thermal 1700B

8.1 Self-Diagnostic Functions

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Tek-Trol LLC Tek-Trol Solutions BV Tek-Trol Middle East FZE

796 Tek Drive Crystal Lake, IL 60014,

USA

Sales: [phone]

Support: [phone] Email: [e-mail] www.tek-trol.com

Florijnstraat 18, 4879 AH Etten-Leur,

Netherlands

Sales: [phone]

SAIF Zone, Y1-067, PO BOX No.

21125, Sharjah, UAE

Sales: [phone]

TEKMATION LLC reserves the right to change the designs and/or materials of its products without notice. The contents of this publication are the property

of TEKMATION and cannot be reproduced by any other party without written permission. All rights reserved. Copyright © 2020 TEKMATION LLC

TEKMATION LLC DOC#/TEK/MNL/200606/1700B/r02

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