Extech MO750 Soil Moisture Meter, Replaceable Sensor Tips, 8.699999"L

Extech 407026-NIST Heavy Duty Light Meter W/PC Interface, Battery, 1.3"W, NIST Certified Heavy duty light meter has 4 lighting type settings for enhanced accuracy (Tungsten/daylight, florescent, sodium, mercury). Additional features include: data hold, min/max/average, auto power off and a % reading of the differential from a reference point. Built-in RS-232 interface with optional data acquisition software and datalogger. Includes: NIST Cert 9v battery Remote light sensor on a 46 In. cable with protective cover and a protective holster with stand

Extech AN100-NIST CFM/CMM Mini Thermo-Anemometer, Green/Orange, 1.3"W NIST Certified CFM/CMM Thermo-Anemometer can simultaneously display of air flow or air velocity plus ambient temperature. Easy to set area dimensions (cm2) are stored in the meter's internal memory for the next power on. Features: 20 point average for air flow and 3% velocity accuracy via low friction 2.83 In. D (72 mm) ball bearing vane wheel on 3.9 ft (120 cm) cable Comes complete with 9v battery, protective rubber holster, case and NIST Certificate

Type 2 Sound Level Meter Kit meets ANSI and IEC 651 Type 2 standards. Ideal for noise surveys in the workplace, installing fire alarms and speaker systems and enforcing noise ordnances. Measures from 35 to 130dB in two ranges with an accuracy of ±1.5dB. Data hold and Max hold functions. Backlit display allows use in dimly lit areas. Kit Includes: 407732 sound meter 407744 94dB Sound Calibrator Microphone wind screen 3 x 9V batteries Hard carrying case

Extech 461950-NIST Panel Mount Tachometer, rpm, 5 to 99,990rpm NIST Certified Unique design permits rpm measurements of a one hole gear or disk eliminating the need for special gears. Measure rotational motor speed, moving fans, pumps, gears, propeller devices. Choice of two sensor pickup types: proximity sensor- 0.1 In. (3 mm) target distance, range up to 36,000 rpm (600 Hz); photoelectric sensor- 0.4 In. (10 mm) target distance, range up to 6,000 rpm (1 kHz). 1/8 DIN size. Powered by 115/230VAC 50/60 Hz. Comes with NIST Certificate.

The Triplett Model LT65 Digital Light Meter measures light intensity (up to 40k Foot candles/400k Lux) and verify OSHA safety requirements from fluorescent, metal halide, high‐ pressure sodium, and incandescent sources found in factories, parking lots, schools, offices, transportation lines, warehouses, hospitals, schools, and many other environments. It features a silicon photodiode sensor with spectral response filter, Min/Max function that recalls highest and lowest readings, Data Hold to freeze the reading on the display for easy viewing, and low battery indicator. Includes 3 AA ...