General Tools A5081 Certified Thermo Hygrometer displays temperature and humidity with comfort fields. General Tools A5081 Certified Thermo Hygrometer, being a thermo hygrometer, also duals as a digital thermometer and hygrometer. Formerly Mannix Instrument.

Greenlee GT-11 Non-Contact Voltage Detector is used to detect the presence of voltage at outlets, lighting fixtures, circuit breakers, wires and cables or to find a break in a wire. The GT-11 Non-Contact Voltage Detector conveniently fits into pocket or tool pouch.

General Tools ABARTH Thermo-Hygrometer Barometer is analog tool that can measure temperature, humidity, and barometric pressure. This meter is made of brass so it is very sturdy. Previously constructed by Mannix. Discontinued Product - No Replacement Available.

General Tools MMD4E Digital Pin Style Moisture Meter is designed to measure moisture content over the range of 8% to 30%.

General Tools MMD6NP Non Invasive Moisture Meter offers a wide measuring range and high resolution. General Tools MMD6NP Non Invasive Moisture Meter is a conveniently comfortable fit for either hand. Formerly Mannix Instrument.

General Tools MS7000HA Precision Moisture Meter provides 9 material species group in memory. General Tools MS7000HA Precision Moisture Meter makes it easy with a moisture probe and a jumbo 5" LCD display. Formerly Mannix Instrument.

General Tools GENERAL 329 Moisture Meter detects moisture in wood, concrete, plaster, carpet and more. General Tools GENERAL 329 Moisture Meter is a moisture tester using contact probes with 3ft coiled cable for testing in hard-to-reach areas. Formerly Mannix Instrument.

General Tools SCAL1356 Sound Level Calibrator digitally measures sound level. General Tools SCAL1356 Sound Level Calibrator, a noise level meter, conforms to ANSI S1.40-1984 and IEC0942:2003 Class 2.

General Tools DSM8928 Digital Sound Meter, a noise level meter, provides a digital display with analog bargraph. General Tools DSM8928 Digital Sound Meter has the benefit of a large 3.5 digit LCD display. Formerly Mannix Instrument.

Greenlee DM-860 Industrial Digital Multimeter performs frequency, temperature and capacitance measurements, plus diode and continuity tests. The industrial digital multimeters relative offset display mode makes monitoring relative measurement changes simple. Discontinued product - Replaced by Greenlee DM-860A.

Greenlee DM-800 Digital Multimeter has autoranging, 3-5/6-digit, 5000-count display for greater accuracy. This digital multimeter provides frequency and capacitance measurements plus diode and continuity tests standard.

Greenlee DM-810 Digital Multimeter data hold to capture measurements and its low ohm range calibration, subtracts test lead resistance. This digital multimeter has true RMS for no-compromise accuracy.