Extech CO250 Portable Indoor Air Quality CO2 Meter, Software, Cable, 4 AA batteries, Carrying Case

ExStik®Waterproof Chlorine Meter offers direct reading of total chlorine down to 0.01ppm. Unaffected by color/turbidity of the sample. Complete with: Meter and flat surface Chlorine electrode ExTab® reagent tablets (50 tests) Protective sensor cap Sample cup with cap Four 3V CR-2032 batteries 48" (1.2m) neck strap

Extech MO50 Compact Pin Moisture Meter Take quick Moisture level reference measurements on wood and building materials with this convenient compact-sized Moisture Meter. Easy-to-operate with display icons that indicate the levels of moisture content plus audible alert feature. Ideal for building restoration projects and applications where moisture detection on floors and under carpets is critical. A must-have tool for analyzing the after-effects of water leakage behind walls and in ceilings.

Extech CO10 Carbon Monoxide (CO) Meter, Carbon Monoxide, 32°F Min. Operating Temp. Checking co levels is as easy as pushing just one button on the model C010, which measures up to 1,000ppm. An audible indicator increases in tone starting at 35ppm. The higher the concentration of co, the faster the alarm will sound. Above 200ppm, the alarm will sound continuously. A backlight on the display can be used for low light areas. Features: Max hold, data hold and auto-power-off The meter comes complete with a 9v battery, protective holster and case

Extech MO260 Combination Pin/Pinless Moisture Meter, Rechargeable, 0.44"L Combination pin/pinless moisture meters measure relative moisture in wood and other building materials using pinless technology plus % of moisture in Sheetrock and other materials using direct pin method. Measurements are displayed on a digital LCD with back lighting and a tri-color LED bargraph. Pinless non-invasive measurement depth to 0.75 In. (22 mm) below the surface. Complete with: 9v battery Replacement pins Protective cap Pouch case

Extech MO280 Pinless Moisture Meter, Rechargeable Non-invasive measurement in wood and other building materials with virtually no surface damage. Meter uses electro-magnetic technology to quickly indicate the moisture content of wood and building materials. Select from 10 wood types and measurement ranges. The LCD displays % moisture of wood or material being tested. It has a measurement depth to 0.75 In. (22 mm) below the surface. The meter also features an automatic internal test and calibration and low battery indication. Complete with: Complete with 9v battery Pouch case