General Tools CM8746 Data Logging Digital Psychrometer is a sling psychrometer featuring measurements of wet bulb, dew point, or external probe temperature. HVAC technicians will value General Tools digital thermometer T1-T2 calculations of air temperature and external probe temperature. Formerly Mannix Instrument. Discontinued product.

Bacharach Informant 2 19-8040 Refrigerant Only Leak Detector Kit allows pinpoint detection of refrigerant gas leaks. This kit is equipped with refrigerant gas sensor.Its unique combination of state-of-the-art patented sensor technology, advanced software design and microprocessor controlled circuitry offers you unmatched precision coupled with tremendous speed.

Bacharach 19-8042 Informant 2 Refrigerant and Gas Leak Detector Kit is a dual purpose leak detector that can detect leaks of both refrigerant and combustible gases through the use of quick change sensors. Bacharach 19-8042 includes both the refrigerant and combustible gas sensors as well as color-coded probe tips, 5 filters, batteries and a custom soft carrying case.

General Tools SAMJR995 Digital Pocket Psychrometer, a sling psychrometer, is a wet bulb thermometer. This digital psychrometer displays temperature, humidity, dew point and wet bulb. Formerly Mannix Instrument.

General Tools EP8706 Digital Psychrometer is a field calibratable digital psychrometer. It displays temp, humidity, dew point, and wet bulb.

General Tools EM8716 Digital Psychrometer is a Digital Psychrometer with Probe. The field calibratable General Tools EM8716 Digital Psychrometer displays temp, humidity, dew point, and wet bulb. Formerly Mannix Instrument.

General Tools EM8857PI Digital Psychrometer Infrared Thermometer, a psychrometer infrared thermometer, features a triple display of humidity, dew point, and wet bulb. This is a psychrometer and infrared thermometer in one. Formerly Mannix Instrument.

General Tools DTH1364 Psychrometer Thermo Hygrometer is a Jumbo Display Thermo-hygrometer with Probe. General Tools DTH1364 Psychrometer Thermo Hygrometer displays temperature, humidity, dew point, and wet bulb. Formerly Mannix Instrument.

General Tools LAM122 Temperature Humidity Pen is a simultaneous display of relative humidity and temperature. Conveniently pocket size for quick and reliable measurements at any location. Formerly Mannix Instrument. Discontinued product - Replaced by General Tools PTH8707.

General Tools DTHR1362 Printing Thermo Hygrometer has a triple LCD display for RH per cent, humidity, T1 for air, and T2 for type K. Featured is a periodical print out from a pre-set time interval. Formerly Mannix Instrument.

Testo 523 AC Refrigeration Analyzer Printer Kit (Mfg. part no. 0563 5237) is a digitally advanced meter for faster and easier installation and repair of all types of air conditioning and refrigeration systems including heat pumps. It is simple enough to use every day and it is also easy on your pocket. By reducing your number of call backs and by handling more calls in less time than ever before, the 523 RSA will practically pay for itself. Discontinued Product. Call for Technical Advice.

General Tools IRT203 Infrared Thermometer is an HVAC and General Purpose Infrared Thermometer. It can boast accurate laser sighting. Formerly Mannix Instrument.