Checkline DTMX User Manual
OI808X
11.00 WARRANTY
ELECTROMATIC Equipment Co., Inc. (ELECTROMATIC) warrants to the original purchaser that this product is of merchantable quality and confirms in kind and quality
with the descriptions and specifications thereof. Product failure or malfunction arising
out of any defect in workmanship or material in the product existing at the time of delivery thereof which manifests itself within one year from the sale of such product, shall be
remedied by repair or replacement of such product, at ELECTROMATIC’s option, except
where unauthorized repair, disassembly, tampering, abuse or misapplication has taken
place, as determined by ELECTROMATIC. All returns for warranty or non-warranty
repairs and/or replacement must be authorized by ELECTROMATIC, in advance, with
all repacking and shipping expenses to the address below to be borne by the purchaser.
THE FOREGOING WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES,
EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO, THE WARRANTY
OF MERCHANTABILITY AND FITNESS FOR ANY PARTICULAR PURPOSE OR
APPLICATION. ELECTROMATIC SHALL NOT BE RESPONSIBLE NOR LIABLE
FOR ANY CONSEQUENTIAL DAMAGE, OF ANY KIND OR NATURE, RESULTING
FROM THE USE OF SUPPLIED EQUIPMENT, WHETHER SUCH DAMAGE OCCURS
OR IS DISCOVERED BEFORE, UPON OR AFTER REPLACEMENT OR REPAIR, AND
WHETHER OR NOT SUCH DAMAGE IS CAUSED BY MANUFACTURER’S OR SUPPLIER’S NEGLIGENCE WITHIN ONE YEAR FROM INVOICE DATE.
Some State jurisdictions or States do not allow the exclusion or limitation of incidental
or consequential damages, so the above limitation may not apply to you. The duration
of any implied warranty, including, without limitation, fitness for any particular purpose
and merchantability with respect to this product, is limited to the duration of the foregoing warranty. Some states do not allow limitations on how long an implied warranty
lasts but, not withstanding, this warranty, in the absence of such limitations, shall
extend for one year from the date of invoice.
ELECTROMATIC Equipment Co., Inc.
600 Oakland Ave. Cedarhurst, NY 11516—USA
Tel: 1-800-645-4330/ Tel: 516-295-4300/ Fax: 516-295-4399
INDEX
1.00 INTRODUCTION . . . . . . . . . . . . . 2
2.00 DTMX OVERVIEW . . . . . . . . . . . . 3
3.00 DESCRIPTION OF KEYS . . . . . . 4
3.10 Auxiliary Functions
4.00 QUICK START INSTRUCTIONS . 5
4.10 Setup
4.20 Operation
5.00 SETUP . . . . . . . . . . . . . . . . . . . . 8
5.10 Installing Batteries
5.20 AC Adapter
5.30 Configuring Dip Switches
5.31 Access the DIP Switch Block
5.32 Setting the DIP Switches . .
5.40 Material Rigidity Selector
5.50 Thickness Compensator
5.51 Preparing Sample
5.52 Inserting Sample
5.60 Gravity Correction (Zero)
6.00 BUILT-IN MEMORY SYSTEM . . . 14
6.10 Standard Memory
6.11 Viewing Data
6.12 Clearing Data
6.20 Standard NAPO Memory
6.30 On-Demand Data Logging
6.31 Viewing Data
6.32 Clearing data
6.40 Continuous Data Logging
6.41 Viewing Data
6.42 Clearing Data
7.00 DOWNLOADING DATA . . . . . . . 19
7.10 Output Cables
7.20 Connector Pinouts
7.30 Analog Output
7.40 Serial Output - Printer
7.41 Signal Characteristics
7.42 Printer Setup Data
7.50 Serial Output - Computer
7.51 Signal Characteristics
7.52 Data Format
8.00 CALIBRATION . . . . . . . . . . . . . . 23
8.10 Checking Calibration
8.20 Field Calibration Adjustment
8.30 Special Calibration
9.00 GENERAL NOTES . . . . . . . . . . . 26
9.10 Turning Power On/OFF
9.20 Display Indicators & Error
Codes . . . . . . . . . . . . . . . . . . . .
9.21 Over Range Indicator
9.22 Error Codes .
9.23 Low Battery
9.30 Standard Dev. & Avg. Formulas
9.40 Changing Units of Measure
9.50 Options
9.51 Ultra-High Speed Rollers . .
9.52 Lever
9.53 Printer
9.54 Serial Output Cable
9.55 Analog Output Cable . .
9.56 AC Adapter
9.57 Special Calibration
9.60 On-Line Mounting Holes
10.00 SPECIFICATIONS . . . . . . . . . . . . 30
11.00 WARRANTY . . . . . . . . . . . . . . . . 32
32 1
1.00 INTRODUCTION
Specifications
The CHECK•LINE®DTMX Digital Tension Meter is a hand-held device which
accurately measures the running as well as static tensions of a wide variety of
process materials including yarns, fibers, wires, optical fibers, etc. It employs
the "three-roller principle" of tension measurement where the outer two reference rollers are fixed to create a known angle of wrap over the middle sensing
roller. The middle roller is part of a precision strain gauge sensing system
which accurately measures the resulting force on the roller. This value is converted into a highly accurate and repeatable tension value using proprietary
computer calibration formulas which correct for different material diameters,
rigidities, gravity and other critical parameters. The DTMX is powered by four
AA batteries and is supplied in a rugged, die-cast aluminum housing.
The DTMX takes 62 tension measurements per second and displays the average of these measurements over a user-selected interval of 0.5, 1, 2 or 4 seconds, the Display Update Rate. This permits the user to determine the extent
of averaging (or damping) required to "stabilize" the tension readings, making
them much easier to read and eliminating the undesirable "bouncing needle"
condition found on most mechanical tension meters. To set or change the
Display Update Rate, refer to Configuring Dip Switch Settings, Section 5.30.
A built-in data logging system is provided which permits storage of 100 individual data points plus maximum, minimum, peak, average and standard devi-
ation values. The recorded data and statistics can be recalled to the display for
viewing, downloaded to the battery-powered P-40 Printer (or other serial printer) or downloaded to a Personal Computer. The DTMX can also be mounted
in-line for extended periods using the threaded mounting holes on the rear side
of the housing. For long term analysis, an AC adapter can be connected. The
DTMX can be connected to a Chart Recorder (or other recording device) using
its 0-1 VDC analog output. For those familiar with RS-232 communication, the
DTMX can also be "polled" from a Host Computer.
Measuring Principle Strain gauge
Measuring Frequency 16 msec (62.5 samples/sec)
Deflection of Sensing Roller (max.) 0.2 mm
Overload Capacity 200% of Full Scale
Temperature Coefficient Zero: less than +0.3% FS/ °C Span: less than +0.01% FS/°C
Display 4-Digit LCD, 12 mm high
Display Update Rate 0.5, 1.0, 2.0 or 4.0 seconds, dip-switch selectable
Memory Capacity 100 values plus maximum, minimum, average, peak, standard deviation
Memory Operation Continuous Mode: automatic storage of each displayed value until memory is full
Overrange Indicator Value will blink on/off, then “FFFF”
Field Calibration Adjustment
Serial Output RS-232C (4800 baud, 8-bit word length, no parity, 2 stop bits)
Analog Output 0–1 VDC, proportional to tension range
Frequency Response (Analog Output) 16 msec (62.5 Hz)
Battery Type Four (4) 1.5 V AA (included)
Battery Life 20 hours, continuous use
AC Adapter (optional) 6 VDC @ 300 mA, for continuous in-line use. Powered by 115 VAC
Auto Power Off After 2 minutes of non-use
Roller Material (standard) Hard-coated Aluminum
. (optional) Hardened Steel (ST), Ceramic (CE), Plastic (PL)
Maximum Speed (standard) 2000 m/min ...
. (optional) 5000 m/min
Housing Die-cast Aluminum
Dimensions 2.95" W x 10.83" H x 1.77" D
Weight (approximate) 1.43 lbs.
Operating Temperature 32 to 132 °F
Accessories Included 4 AA batteries, output connector and operating instruction guide, all in a fitted,
Warranty One year
and memory location
On-Demand Mode: displayed value is stored when STORE key is pressed
+
7 steps, 1.5% per step
..
(75 x 275 x 45 mm)
(650 g)
(0 to 45 °C)
hard-plastic carrying case
2
31
10.00 SPECIFICATIONS
37
153 60
38 65 76
Outer roller spacing c:c
2.5KB–10 KB 100 mm
20KB– 50 KB 200 mm
40
192
45
48
15
12
2.00 DTMX OVERVIEW
All dimensions in mm
Model Data
Model DTMX-200 DTMX-500 DTMX-1K DTMX-2K DTMX- 2.5KB DTMX-5KB DTMX-10KB DTMX-20KB
Tension Range (grams) 0.1–200.0 0.1–500.0 50 –1000 200 –2000 250– 2500 500 –5000 1.00– 10.00 Kg 2.00–20.00 Kg
Accuracy
Outer Roller Dist. (c:c) 38 mm 38 mm 38 mm 38 mm 100 mm 100 mm 100 mm 200 mm
+
1.0% or better +1.5% or better
Outer Roller Bracket
Filament
Display Symbols
• PEAK
• MAX
• MIN
• BATT
Sample Holding
Clips
Thumbpiece
Material Rigidity
Selector
Output Connector
(on end of unit)
Filament Guide
Rollers
Middle Sensing
Roller
LCD Display
Slide Guide Plate
Thickness
Compensator
(on back of unit)
STORE Key
Field Calibration
Adjustment
Recall Key
Power/Exit Key
Data Out Key
30
3
3.00 DESCRIPTION OF MEMBRANE KEY FUNCTIONS
Key Description of Functions
STORE
RECALL
POWER
EXIT
• Starts/Stops scanning for Max/Min/Peak values. (Standard Memory)
• Starts/Stops automatic recording of values into memory (Continuous Data Logging Model).
• Loads displayed value into memory (On-Demand Data Logging Model).
• Enters Recall Mode to review statistics and recorded Data.
• In recall mode, changes display from LAST ➔ MAX ➔ MIN ➔ PEAK ➔ LAST
➔ MAX etc. • When in Data Logging Mode: changes display from LAST ➔
MAX ➔ MIN ➔ PEAK. ➔ AVERAGE ➔ STANDARD DEVIATION➔
DATA #1➔ DATA # 2 ➔ DATA #3 etc.
• Turns power on.
• Turns power off if pressed and held for 5 or more seconds.
• Exits from Recall Mode when reviewing statistics and data.
9.55 Analog Cable
The CA cable is for connection to chart
recorders or other recording devices.
It is supplied with bare leads for easy
connection to a wide variety of devices.
9.56 AC Adapter.
This adapter is for use during long-term,
on-line measurements to save battery power.
It connects to 115 VAC power sources.
CA
AC
• Initiates downloading of data.
• Clears all data in Basic Memory and Extended Memory (“CCCC” momentarily shown
on display).
• Zeros gauge (“Tare”) for use in any orientation (“Gravity Correction”).
STORE
RECALL
DATA
OUT
+
+
RECALL
POWER
EXIT
3.10 Auxiliary Functions
Key Description of Functions
• Changes units of measure from grams (or Kg) to pounds (or ounces) and back again
POWER
POWER
EXIT
EXIT
+
+
STORE
* When the units of measure are changed to grams, the “gf” indicator will
momentarily flash on and then turn off. Otherwise the “lb.” or “oz” indicators
will be shown.
STORE
DATA
OUT
*
each time this key combination is pressed.
• Changes from Tension Measurement Mode into Thickness Measuring Mode when
both keys are pressed and held for four or more seconds.
• Exits Material Thickness Mode and returns to Tension Measuring Mode.
9.57 Special Calibration
If the standard Factory Calibration and the
Field Calibration Adjustment does not
provide the desired accuracy, a Special
Calibration can be ordered. Up to two
Special Calibrations can be provided (SP1
and SP2). A l0' sample of the process
material(s) must be provided for calibration
purposes.
9.60 On-Line Mounting Holes
The DTMX is supplied with two threaded
holes for on-line mounting in a fixed position when performing measurements over
an extended period.
Thread Size M5 (metric)
Thread Depth 7.5 mm (max.
SP
W
Mounting
holes
4
29
9.50 Options
9.51 Ultra-High Speed Roller Assemblies
For line speeds up to 5,000 m/min, specify
“U” roller guides.
U
4.00 QUICK START INSTRUCTIONS
4.10 Setup
1. Insert a sample of the process material into the Thickness Compensator and
secure the ends of the sample under the Sample Holding Clips on each side
of the unit. Thickness Compensator is not used on the DTMX-200
Model.
9.52 Lever
For high tension ranges specify an “L” Lever
attachment to make it easier to push the
outer rollers forward for material acquisition.
Portable Pinter
9.53
The P-DTMX battery-powered, portable printer uses rechargeable batteries. It is supplied
with a 10 ft. connection cable, one roll of
paper and a 115 VAC charger.
Serial Cable
9.54
The CS cable is for connection to Personal
Computers. The 10 ft. cable is supplied with
DB9 and DB25 Serial connectors.
P
2. Set the Material Rigidity Selector to "TEX” or "WIRE"
L
3. Set the Field Calibration Adjustment to "STD”
4.20 Operation
1. Turn the unit on by pressing the
POWER
key. Display should show zero
EXIT
when unit is in measuring position. If
the gauge displays zero go to Step 3,
otherwise perform a Gravity Correction
Procedure (Step 2).
2. Position the DTMX into the measuring
position and perform a Gravity
Correction procedure (Zero):
CS
Press the and keys
simultaneously, and hold until the display
shows “0” or “0.0”.
RECALL
POWER
EXIT
28
5
3. Open the 3-roller system by pushing the
Thumbpiece forward until the outer
rollers extend beyond the filament guide.
Position the DTMX so that the process
material contacts the Filament Guide
and passes between the outer rollers
and the middle sensing roller.
Filament
Filament guide
Thumbpiece
9.23 Low Battery
When the “B” indicator appears on the
display, the batteries are low. If data is
stored in memory, download it before
replacing batteries as the data will be lost
when the batteries are removed.
4. Release the Thumbpiece SLOWLY until
it returns to its original position. Do
not let it snap back as this could
effect the calibration and damage
the instrument. The display will begin
to show tension readings.
5. Press the key to start and stop
the Standard Memory system.
The “M” indicator will blink on and off
indicating that the memory is active and
up to 100 readings will be stored
continuously or on-demand, as indicated
in Sections 6.10, 6.30 and 6.40.
STORE
9.30 Standard Deviation & Average
Formulas
The formula indicated is used to calculate
the Standard Deviations & Average of all
the data stored in the Extended Memory
when the DTMX is configured for:
• On-Demand Data Logging Mode
• Continuous Data Logging Mode
9.40 Changing Units of Measure
The DTMX is supplied with the Units of
Measure set for Grams (g) or Kilograms
(Kg) depending upon the selected range.
The units can be changed to Pounds (lb)
or Ounces (oz) by pressing the
POWER
EXIT
+
STORE
keys simultaneously.
Standard Deviation Value
– X )
i
2
√
∑
(X
n–1
Average Value
∑ X
i
n
Changing Units of Measure
POWER
EXIT
Units Indicator
Grams gf (momentarily)
Kilograms Kgf (momentarily)
Pounds lb (continuously)
Ounces oz (continuously)
+
STORE
Press both keys
simultaneously
6
27
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