Digital promoters [india] pvt ltd, an iso 9001-2000 certified company, since 1979, produces wide range of industrial instrumentation. Universal calibrator unical is a part of those products. It has automatic cold junction compensation. Key-features are as follows:
1. automatic cold junction compensation
2. simulation of rtds by external resistance module
3. independent settings for zero and span, switch selectable
4. digital nulling facility for offset cancellation and differential measurement
5. mains-cum-rechargeable battery operated with built-in charger to make it portable
6. display of ambient temperature
7. additional facility to measure /simulate 2 user-defined thermocouples
8. all values are adjusted by 10 turn coarse and fine potentiometers
9. software controlled auto calibration and auto zero loop within measurement cycle ensures zero short term and negligible long term drifts
10. thermocuple linearisation by mutisegment polynomials.
11. invalid range indication.
