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Static Testing Equipment
Name：LFY-406Z Material Vertical Resistance Tester
Details
The main purposeThis instrument can be used to measure the surface specific resistance and vertical resistance of various fabrics, films and other insulating materials. The size of the resistance can indirectly reflect the length of the static leakage time on the surface of the test material, thereby reflecting the static charge performance of the test material.
Instrument characteristics
This instrument uses the three-electrode method to test the sample. The test device mainly consists of a flat electrode device and a high resistance meter. The basic principle is to add different gears of DC voltage to the sample, and the weak current flowing through the sample is sampled and amplified by a standard resistance, and then read from the high resistance meter. The number directly displays the resistance value, with high accuracy, rapid display, good stability and convenient reading.
Technical index
1. Adopting a highly integrated 3 1/2-digit digital display.
2. Range: 1×105Ω ～9.999×1014Ω
3. The test voltage inside the machine is DC 50V/DC 100V/DC 250V/DC 500V switchable
4. Timer: 0.01～99.99 seconds or setting of minute and hour gears;
5. Working environment temperature: (20±2)℃, humidity: (35±10)%RH
6. The zero drift of the instrument is less than ±5% between 1-8 hours at a stable working voltage and no signal input
7. The basic error of the instrument for standard resistance measurement: (1×105Ω ～1×1010)≤±5%; greater than 1×1010 ≤±20%;
8. Including a set of electrodes, standard resistance box, insulating plate and metal plate.
Applicable standards
GB/T 22043-2008 Clothing antistatic performance Test method for resistance (vertical resistance) of passing materials
GB/T 22042-2008 Clothing Antistatic Performance Test Method for Surface Resistivity
AQ 6103-2007 Welder protective gloves
EN 1149-1-2006 Electrostatic properties of protective clothing-Part 1 Surface resistance test methods and requirements
EN 1149-2-1997 Protective clothing. Electrostatic characteristics. Experimental methods for the measurement of electrical resistance (vertical resistance) of materials
ISO 16350
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