Extech DO600-K Waterproof ExStik® II Dissolved Oxygen Meter Kit, Wide-Band Sensor

Extech SDL900 AC/DC Magnetic Meter/Datalogger Extech's SDL900 measures and datalogs both AC and DC Magnetic Field in Gauss and mT (milli Tesla) with a uniaxial Hall effect sensor and built-in ATC. Internal memory stores up to 99 readings, while SD memory card (included) allows continuous datalogging and readings can easily be exported to an Excel® format for further analysis. Features: Utilizes Hall effect sensor with ATC (Automatic Temperature Compensation) Adjustable data sampling rate: 1 to 3600 seconds Memory stores 99 readings manually Datalogging feature records readings with date ...

Extech 407119 Heavy Duty CFM Hot Wire Thermo-Anemometer, Blue, Probe Sensor, 7.9"L Heavy duty CFM hot wire thermo-anemometer uses a telescoping probe (extends up to 3 ft) that's ideal for use in ducts and ventilating systems. It can accurately measure air flow (CFM/CMM), air velocity and temperature. Air flow can be displayed as an instantaneous value or up to a 20 point average. A built-in RS-232 interface can be used with optional data acquisition software and cable for recording measurements directly to your PC. Comes complete with telescoping probe with 5.5 ft cable and 4 x AA ...

This digital pH pen displays both temperature and pH simultaneously on a dual LCD display. The R3500 features automatic temperature compensation for accurate readings and includes a built-in calibration procedure. Features: User selectable °F or °C Replaceable pH electrode module Data hold function Waterproof housing Protective cap keeps sensor moistened Low battery indicator and auto shut off Accuracy: ±0.02 pH, ±1.8°F (1°C) What's included with the REED R3500 pH Meter Protective Cap Hard Carrying Case Batteries Ideal Applications for the REED R3500 Water ...

Extech EA33 Light Meter W/Memory, Battery, 1.4"W This compact and ruggedly designed meter has a wide measurement range to 99,990 Ft. candles in 5 ranges and 999,990 lux in 5 ranges with 0.001FOV/0.01lux resolution. Complete with built-in stand, light sensor and protective cover with 36 In. (0.9 m) coiled cable, protective holster, 6 AAA batteries and carrying case. Features: Store and recall up to 50 measurements with relative or real time clock stamp Luminous intensity (Mandela) calculation A ripple function that excludes stray light from the primary light source measurement, Multi-point ...

Extech 407026 Heavy Duty Light Meter W/PC Interface, Battery, 1.3"W 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: 9v battery Remote light sensor on a 46 In. cable with protective cover and a protective holster with stand