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The RH411 handheld digital thermo-hygrometer has a custom
LCD display that lets you read temperature and relative humidity
simultaneously. Perfect for any application where spot checks
of temperature and relative humidity are needed, the RH411 offers
fast and accurate measurements.
The combination
Temperature/humidity sensor connects to the unit through a 5'
(1.5 m) cable. The sensor is housed in an easy-grip handle,
in a protective metal mesh. Other unique features make the RH411
an even better value: digital calibration, display hold, min
and max storage, and individual analog outputs for both temperature
and % RH.
SPECIFICATIONS
HUMIDITY
Range: 2 to 98% RH
Accuracy: 3% at 25ºC, between 20 and 90% of range;
5% at 25ºC, below 20% or above 90%
Sensor: Resistive polymer
Response Time: 30 sec for a 30 to 80% step change
Display Resolution: 1% RH
TEMPERATURE
Range: -17
to 48ºC; 2 to 120ºF
Accuracy: 0.5ºC/1ºF
Sensor: Solid State
Response Time: 3 min for 63% step change
Display
Resolution: 1ºC/1ºF
DISPLAY FUNCTIONS
Indication: Continuous, for both temperature and humidity
Min/Max: Storage of high and low readings for both temperature
and humidity; user reset to clear stored values at any time
ANALOG OUTPUTS
Types: 10 mV/°F and 10 mV/%RH, continuous output; connected
to >47 Kohm impedance
Connections: Standard banana plug; common ground connector
for both outputs
MECHANICAL
Dimensions: 180 x 81 x 60 mm (7.1" x 3.2" x 2.4")
Probe: 12.7 mm x 76.2 mm (0.5" x 3")
Weight: 400 g (14 oz)
Display: 11 mm (0.42") LCD readout; 3-digit temperature,
2-digit humidity indication; custom indicators for measurement
units (%RH, °F, °C, min, max, reset, display hold and low battery)
Meter Ambient Conditions: 10 to 40°C (50 to 104°F); 0-90%
RH, Specifications
Power: 9 V battery and 110 Vac adaptor (included)
Battery Life: 100 h, alkaline battery
Sleep Mode: unit shuts off after 15 min if no buttons
are pushed.
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DIGITAL
DISPLAY
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