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Extech RH300 Hygro-Thermometer Psychrometer QATAR

1050.0QR

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Care information

Keep your products in top condition: Furniture – dust regularly, avoid sunlight, and clean spills fast. Electronics – keep dry, use a microfiber cloth, and protect from power surges. Building materials – store dry, handle safely, and avoid chemicals. Kitchenware – wash gently, use mild detergents, and store properly

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Description

Feature	Details
Product Name	Extech RH300 Hygro-Thermometer Psychrometer
What it Measures	Relative Humidity (RH), Air Temperature, Dew Point, Wet-Bulb Temperature — useful for environmental & ambient condition checks. (FLIR)
Humidity Range & Accuracy	10 % to 90 % RH, resolution 0.1 %, accuracy roughly ± 3 % RH. (GMS Instruments)
Air Temperature Range	–20 °C to 50 °C (–4 to 122 °F), resolution 0.1°, accuracy ± 1 °C (± 1.8 °F) (Instrumart)
Dew Point / Wet Bulb / Calculated Metrics	Dew Point and Wet-Bulb temperatures calculated based on RH and air temperature; with optional external probe, supports additional metrics (e.g. T1-T2 differential) (FLIR)
Display & Interface	Triple-LCD display — shows %RH, temperature, and dew-point/wet-bulb (or external probe temp) at the same time. (tequipment.net)
Extra Functions	Data Hold (freeze reading), MAX/MIN memory, Auto Power-Off (configurable), °C/°F switchable, optional external temperature probe support, protective sensor cap. (ManualsLib)
Power & Portability	Powered by 2 × AAA batteries (supplied). Compact, handheld — ideal for field use, HVAC checks, building inspection, labs, storage rooms, etc. (FLIR)
Use Cases / Ideal For	Indoor climate monitoring (warehouses, archives, storage), HVAC maintenance, weather/ambient monitoring, building inspections, greenhouse/climate control, general environment & humidity tracking, cold-storage, and field work.