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KXE Warp Tension Meter

The KXE Warp Tension Meter is designed to measure tensions during warping and weaving. The unique sensor configuration provided two 25 mm wide cylindrical roller for the capture of two groups of yarns, one on each side of the sensor for measurement. Therefore the sensor will be measuring 50 mm of ends while the process is running. The electronic indicator provides for measurement and storage of the critical high and low peaks that will be measuring in the weaving operation. These peaks can them be analyzed and used for process evaluation. Stored data can be transferred to a PC and analyzed using the FREE Tension Inspect software.

Features

Portable measuring head to measure yarn groups of weaving and warping machines
The sensor can easily be engaged or disengaged also while the machine is running
Storage of last, average, Max, MIN, PEAK-MAX, PEAK-MIN tension values during an operator set measuring period
4 different memory modes can be selected by the operator:
Mode S: only statistical values per series are displayed
Mode L: statistics plus 10 displayed values of each series of measurement
Mode C: statistics plus 4000 displayed values arbitrary splited up to 255 series
Mode F: as C plus higher sampling rate of 100 Hz = values/s
LCD display with illuminated backgroud for better reading
Adjustable electronic damping for better reading when tension is constantly changing
Constant measuring width at the yarn group of 50 mm by catch thread system
Display of the tension meter can be reversed for right and left hand use to reach all measuring positions easily
2 interfaces:
Serial Interface: (RS 232) for connecting to a PC
Analog Interface: (0 - 2 V) for connecting to a line recorder
Memory of max. 4000 displayed tension values split up to 255 series of measurements and statistics (Last, AVG, MIN and MAX of displayed values, MIN-PEAK and MAX-PEAK are values measured within a measuring frequency of 5 kHz)

Operation

Swivel the lever in direction to the handle to move the reference frame with the support rollers upwards. Hold the measuring head over the yarn group, so that it runs parallel to the measuring feeler and the support rollers. Shove the measuring roller through the yarn group, turn the measuring head by 90° and swivel the lever forward.

Tension Ranges

Model	Ranges	Resolution
KXE-20K	0.50 - 20.00 daN	0.01 daN
KXE-50K	0.5 - 50.0 daN	0.1 daN

Complete Kit

Tension meter and sensor with transport packaging
battery
RS232 data transfer cable
Tension Inspect 2 Software
operating instruction manual

Specifications

Display Unit
Accuracy	for 10 % to 90 % of range: ±1 % full scale and ±1 digit for remainder of range: ±3 % full scale and ±1 digit
Measuring Units	daN
Overrange	10 % full scale, without accuracy guarantee
Overload Protection	150 % full scale
Measuring Principle	Strain gauge bridge
Measuring Principle	Strain gauge bridge
Signal Processing	Digital 16 bit A/D converter
Damping	Adjustable electonic damping (Moving averaging)
Measuring Frequency	5 kHz internal only
Display	4 digit, 11 mm high
Display Update Time	Approx. 2 times per second
Memory	Max. 4000 values plus statistics
Output Signal Analog	0 - 2 V DC (linearized) R (load) > 1 kÙ ± approx. 1 %, conversion rate approx. 100 Hz
Output Signal Digital	RS 232 (19200, 8, N, 1)
Communications Frequency	1 to max. 80 readings/s
Connection Cable	Sensor to display unit 1.5 m
Temperature Coefficient	Gain: less than ± 0.01 % full scale /C°
Temperature Range	10 - 45 °C
Air Humidity	85 % RH, max.
Auto Power Off	Appox. after 3 minutes of non-use
Power Supply	9 V E block, e. g. long-life 9 V lithium (approx. 80 hous continuous use)
Housing Material	Aluminium profile with plastic outer casing (PVC)
Weight	Approx. 370 g
Sensor
Measuring Rollers	2 x 22 mm ball bearing rollers, total 50 mm
Width of Outer Rollers	100 mm (ball bearing rollers)
Reference Frame Height Adjustment	24 mm
Material	Anodized aluminium
Reference Frame Dimensions	110 x 140 mm
Weight, net (gross)	Approx. 1000 g (1900 g)