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th0370 dc characteristics analyzer for precision resistors
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overview

model th0370, an analyzer to measure resistance and dc characteristics for precision resistors. the measuring range of 4-wire ohms is from 100 μω to 12 kω, the measuring range of 2-wire ohms is from 100 ω to 1 gω. the optimal accuracy is up to ±3 ppm. the maximum output current is up to 100 a, the maximum voltage is up to 1000 v.

applied to measure following parameters: tcr, thermal emf, thermal stability time, power coefficient. in addition to this, it also can be used for following tests: short-time overload power, rated load long-term life, self-heating characteristic, thermocycling, thermo-shock, high temperature exposure, low temperature operation, resistance-to-humidity.

10.4-inch hd touch screen can display various measurement data and curves (waveforms), and makes operation convenient. connect to a computer via rs-232, usb or ip interfaces, easy to build computer automatic test system.

functions

● resistance measurement: fast measurement by setting current (or voltage, power) and estimating resistance. the optional modes are high precision measurement and unidirectional fast measurement.


● display: 8.5 digits

● tcr measurement and thermocycling test: the high-low temperature test box is extra.

● thermal emf measurement

● thermal stability time measurement

● power (voltage / current) coefficient measurement

● short-time overload power test: e.g., 2.5x, 5x and 6.25x overload power test for 5 seconds. power and time can be set freely based on your needs.

● rated load long-term life test: test time(e.g. 2,000 h and 10,000 h), switching time and testing power can be set freely based on your needs.

● self-heating characteristic test: automatically record the test curve when loading.

● thermo-shock test

● high temperature exposure test

● low temperature operation test

● resistance-to-humidity test

electrical specifications

1

general specifications

● line power: 220 v ±22 v, 50 hz ±2 hz

● operating environment: +18 °c to +28 °c, r·h 40 % to 60 %, non-condensing

● storage environment: +5 °c to +40 °c, r·h <85 %, non-condensing

● communication: rs-232 interface, usb interface, ip interface.


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