Humidity Measurement Instruments For Laboratory

Description

Humidity measurement instruments including a hair hygrometer dial, psychrometer types for wet and dry bulb humidity determination, and a digital indoor outdoor thermometer hygrometer with wired probe. Options list humidity or temperature ranges, accuracy and housing details where provided.

Hair Hygrometer Dial Plastic 50 mm, 0–100% RH, 1% Divisions, ±4% RH
Hair hygrometer with plastic construction, dial size stated 50 mm. Humidity range stated 0 to 100% RH. Accuracy stated ±4% RH with divisions 1% RH. Product weight stated 12 g. Product dimensions stated 65 mm diameter x 12 mm.

Mason’s Hygrometer Wet and Dry Thermometer, Plastic with Calculator, -5 to 50°C
Mason’s hygrometer listed as plastic with calculator, temperature range stated -5 to 50°C. Described as a wet and dry thermometer instrument used to measure relative humidity. It consists of a thermometer with a wet or moist bulb and one kept dry, and relative humidity is calculated from the difference in readings as evaporation from the wet bulb decreases its temperature.

Whirling Hygrometer Blue Spirit, Slide Rule Calculator, -5 to 50°C
Whirling hygrometer described as compact psychrometer with slide rule type calculator to determine %RH. Temperature range stated -5 to +50°C and humidity range listed -5 to +50°C. Divisions stated 0.5 with accuracy stated ±1°C. Fitted with LO-tox filled glass tubes. Casing material stated ABS. Product weight stated packaged 90 g and unpackaged 73 g. Product dimensions stated packaged 41 x 213 x 19.5 mm and unpackaged closed 36 x 210 x 16 mm. Display box weight stated 17 g with display box dimensions 41 x 213 x 19.5 mm.

Digital Thermometer Hygrometer Indoor Outdoor, Brannan 13/420/3, Probe and Max Min
Digital indoor outdoor thermometer and hygrometer with silver front and black trim, with large display showing temperature and humidity simultaneously. Display can be switched between indoor and outdoor and between °C and °F. Button activates maximum and minimum readings for temperature and humidity. Stands or wall mounts. Comes with cable for outdoor probe and batteries included. Brannan code stated 13/420/3. Temperature ranges stated indoor -10 to +50°C and outdoor -50 to +70°C. Humidity range stated indoor 20% to 99% RH, outdoor N/A. Resolution stated 0.1°C and 1% RH. Accuracy stated ±1°C between 20 and +60°C otherwise ±2°C. Battery stated 1.5V AAA x 1. CE approved and ROHS/WEEE approved as stated. Product material stated ABS casing with stand and key, LCD with outdoor wire cable, probe stated stainless steel on 2 m cable, product weight packaged 91 g including battery and probe, LCD dimensions stated 35 x 52 mm, product dimensions stated 98 x 78 x 17 mm.