Extech 445820 Hygro-Thermometer Calendar Clock features: LCD displays %RH, Temperature, Time, Date and Monthly Calendar, Alarm Clock; Displays numeric week, day, month and monthly calendar; Alarm Clock with 4 minute snooze; Humidity: 20 to 90% RH, Temp: 14 to 140°F or -10 to 60°C, Accuracy: +/- 5% RH; +/-1.8°F, +/-1°C. Product discontinued.

Extech 45158 Mini Thermo-Anemometer and RH Meter measures windspeed, temperature, relative humidity, windchill and dew point. This is a very compact unit that can easily fit in a pocket.

The Extech 412355A Precision Current-Voltage Calibrator measures DC process signals and calibrates process devices.

AEMC 3945-B Precision Power Quality Analyzer provides True RMS single, two- and three-phase measurements at 256 samples per cycle, including DC; Color waveforms in real-time, simple on-screen setup, measures True RMS voltage and current. AEMC 3945-B 193-36 Precision Power Quality Analyzer Kit works with single and three phase systems (Y and Delta) and provides measurements of voltage anomalies, power system harmonics and power factor.

Extech 421504 RTD Probe Dual Input Thermometer features: Large LCD displays two RTD channels with audible alarm; Switchable inputs for 100Ω Pt-385 & Pt-392; Multi-function 4-1/2 digit (20000 count) LCD; Large 0.8" (20mm) LCD displays dual inputs plus Elapsed Time, T1, T2, or the difference of T1-T2; Rugged water resistant design with protective holster/stand; MAX/MIN, AVG, REL and HOLD functions; Programmable HI/LO audible alarms. Discontinued product.

Extech 39240 Waterproof Pocket Thermometer is designed with a durable 2.75" (70mm) Stainless steel stem capable of measuring from -40 to 392F (-40 to 200C), with +/-2F/1C accuracy, and 0.1 resolution.

Extech 407026 Light Meter Heavy Duty with PC Interface features: Enhance accuracy by selecting one of four lighting types plus PC interface; % displays differential from reference point, "ZERO" Re-Calibration; Enhance accuracy by selecting lighting type Tungsten/Daylight, Fluorescent, Sodium, Mercury); Data Hold, Min/Max/Average readings; Built-in RS-232 PC serial interface.

Features

Robinair 34970 R-12 and R-134A Air Vac Pump is economical and easy-to-use with no moving parts or maintenance required.

Extech 401025 Foot Candle Lux Light Meter features: Includes analog output and fast-slow response feature; Accurately displays light level in terms of Fc or Lux over three ranges; Analog output of 1mV per count for capturing readings to a recorder, etc.

Features

Robinair 15234 CoolTech Vacuum Pump is engineered specifically to meet your A/C maintenance needs and to give you trouble-free operation. Take advantage of our years of experience and know-how developing pumps to help you do your job faster and better. NO HASSLE WARRANTY - All Robinair Vacuum Pumps are backed by our exclusive - No Hassle - over-the-counter replacement warranty. You can return a pump to your Robinair distributor, within the first year, for an immediate exchange with no hassle!

The UEi DMEG3 Portable Insulation Resistance Tester enables the user to prevent, identify, and predict insulation failures that can create power problems, appliance failure, stop production, or put lives in danger.

This modern RF signal strength meter and analyzer features: Hand-Held and battery operated; 100KHz to 2060MHz measurement range; 12.5 Ch/sec scan rate; Built-in 2GHz frequency counter; High sensitivity (-117 dBm max); Detects Wide band and Narrow band FM, AM and Single Sideband Signals; Phase lock loop for precise frequency tuning; RS-232 interface (includes software and cable); Up to 160 channels may be scanned and displayed; Audio output with built-in speaker; Detachable antenna included; Back-lit display; All functions are menu selected; Instrument setups & display data may