Extech RH390 Precision Psychrometer, Humidity, Dew Point, Wet Bulb | RH, Temp, Dew Point, Wet Bulb, Built-In And External Probes, Fast Response, Large

Extech EC400 Exstik Conductivity, TDS, Salinity, Temperature Meter | Waterproof, 6 Units Of Measure, Autoranging 3 Ranges, Adjustable TDS Ratio 0.4-

Extech HD755 Differential Pressure Manometer, 0.5 Psi, 11 Units, USB | +/-0.5 Psi Low Range, 11 Pressure Units, MIN/MAX/AVG, Data Hold, Zero, USB

Extech MO750 Soil Moisture Meter | Soil Moisture Measurement, 8in Stainless Steel Probe, Digital LCD, For Gardening/Agriculture/Forestry

Extech EA30 Easyview Wide Range Light Meter, 40000 Fc, 400000 Lux | 40000 Fc (4 Ranges), 400000 Lux (5 Ranges), Peak Hold, Relative, Cosine And Color

Extech CO250 Portable Air Quality CO2 Meter With Datalogger | CO2 0-5000 Ppm, NDIR, Temp, Humidity, Dew Point, Wet Bulb, 99-Record Logger, Backlit LCD

Extech 407730 Digital Sound Level Meter, 40 To 130Db, A/C Weighting | 0.1Db Resolution, 2Db Accuracy, Analog Bargraph, Max/Min, Max Hold, Auto Power

Extech PH110 Waterproof Exstik Ph Meter, Refillable Electrode | Ph With Analog Bargraph, IP57 Waterproof, 1/2/3-Point Auto Calibration, Refillable

Extech LT300 Light Meter, Remote Sensor, Peak And Relative Modes | Lux/FC Illuminance, Remote Sensor On 12in Coiled Cable, Peak And Relative Modes,

Extech SL510 Sound Level Meter, 35-130 Db, Class 2 | Sound 35-130 Db, +/-1Db Class 2 (IEC 61672), A/C Weighting, Fast/Slow Response, Data Hold, MIN/