> pulsed mode of operation. The wire was 36 GA nichrome. The electrolyte > was ethylene glycol with 2 mg NaCl and 50 mg Borax per 1000 cc. Hi Wayne, What sort of resistance did you get with that combination? The Fredricks and Spectron sensors are about 1K Ohm, and the temperature spec is huge. I suppose with ethylene glycol, yours would be also. Cheers, Bob