WDW Series Computer Control Type Electronic Universal Testing Machine（Single Arm Type）

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Ⅰ、Main functions
WDW series are suitable for tensile, compression, bending cutting,shearing and tearing test of rubber, plastic, electrical wire and cable, composite, plastic profiled bar, waterproof roll, etc. They may add test metheds or rules according to customers’requirement .They are essential testing instrument for quality testing section, university and college, research institution and industrial and mining enterprise.
Ⅱ、Product features
This machine equips alternating servo motor for driving crosshead and imported photoelectric encoder for displacement measure. This machine is accompany with the digital multi-channel closed loop control system which applicates the latest moitoring and control systems with lots of advanced profassional and technical development. Control software can automatically finger out routine data, such as tensile modulus of elasticity, extend rate after rupture, non-proportional extend strength RP0.2, etc. It can realize three close loops control and real time display many testing curves of force-displacement, force-time, and stress-strain. These curves automatically switch. Testing process control and data processing conform to the requirements of GB. This machine has the following performances: Auto zero, auto gear shifting or no subsection, auto indication, auto save, unicontrol or multistep programmed control, auto stop, auto analysis or assistant manual analysis, batch test, testing result statistic, curve select and over load protection. And the machine is beautiful, multifunctional, and oprates easily and reliably.
Ⅲ、Technical Specification:

Type parameters	WDW-1A	WDW-2A	WDW-5A	WDW-1	WDW-2	WDW-5
Measuring range of force (kN)	0.01～1	0.02～2	0.05～5	0.01～1	0.02～2	0.05～5
Accuracy of testing force	±1%
Resolusion of testing force	1/20000 of maximum testing force
Relative error of displacement	±0.5%
Resolusion of crosshead displacement measurement	0.01 mm
Speed range of crossbeam	0.01 mm/min～500 mm/min，step less speed regulation and arbitrary setting
Valid testing space (mm)	800
Power supply	220V±10%，50Hz			380V±10%，50Hz
Working environment	10℃～30℃, relative humidity≦80%
Main configuration	Alternating servo motor and speed adjustment system, precision photoelectric encoder.			Imported servo motor and speed adjustment system, precision photoelectric encoder.
Overall dimension of host machine (mm)	600×420×1700
Weight(kg)	300

Q:I want to use a frequency converter and a remote pressure gauge to control a submersible pump, using the on-off control, constant pressure water supply, how to connect and set up: With PID function, detailed look at the inverter PID description will understand

Q:410 how about the pressure of the pressure gauge?: Is your 410 refrigerant? In general, the pressure is about 2.8MPa, and the pressure is completely related to the temperature. Therefore, it is more appropriate to select a pressure gauge with a maximum value of about 5.0MPa. The reading of the pressure meter is the same as that of the ordinary pressure gauge. There is no special place, unless your pressure gauge is foreign, you can convert according to the relevant units.

Q:What is the state of the warranty period for the ordinary pressure gauge?: The pressure gauges are calibrated once every 6 months,Wuxi Hui Hua Instrument Technology Department

Q:How to connect the three terminal points of the remote pressure gauge?: 1. determine the pressure sensor range and output range.2. measure the output signal (voltage or current) at the output of the sensor.3. converts the output signal to a pressure value, such as 0-10bar, 4-20mA output, measurement output current of 10mA, and corresponding pressure value of 10* (10-4) /16=3.75bar.4, to see whether the converted pressure value and the display table are consistent, inconsistent, may show the meter range and sensor range is not corresponding.

Q:The pressure gauge joint diameter is 21, 14 teeth per inch. What does it mean?: The outer diameter is 21, and the 14 teeth have taper and no taper.Without taper is the 1/2 interface.Points with taper are G1/2, NPT1/2, ZG1/2.- - Wuxi Hui Hua Instrument Technology Department - -I hope to give you a satisfactory answer! Wish you happy every day!If you have any other questions, you may ask!

Q:What's the pressure gauge in the snow?!: The refrigerant (freon refrigerant is a plus) to many professional personnel to operate the number of horses is such a 23= 26=1.25 (a horse) horse horse horse 32=1.5 25=1.75 (1.5 HP) 51=2.5 (2 HP) 7=23.5 horse horse (3 horses) is now commonly used in air conditioning.

Q:Pressure gauge model Y100-1.6KPa: Y indicates the pressure gauge, and 100 indicates the pressure gauge dial diameter is 100mm.1.6KPa is the range 0~1.6KPa.Note: from the range of your pressure gauge, your pressure gauge should be a diaphragm pressure gauge. The model should be YE-100.

Q:For example, a 1.6 mpa. How do you measure it?!: A high, medium, and low end pressure gauge shall be a three position contact type control pressure meter. If no signs are available, you can use either the ohmmeter or the buzzer test of the meter. Use the pencil first low limit hands to contact with the actual pressure gauge contact is closed, with a multimeter measuring three end exchange both ends of the middle and low end, the rest is high, then closed contact separately, the high pressure closed with the actual pointer to pointer, and then test interoperability both ends of the middle and high, so you can points out.

Q:Is the gauge thread metric or English?: It belongs to sealing pipe thread. There are tables available for download on the internet.

Q:What are the thread connections of the pressure gauges?: There are three sizes of M10*1, M14*1.5 and M20*1.5 specifications

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