Use and Care Manual

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User Manual

RHT02 Hygro-Thermometer Pen

RHT05 Hygro-Thermometer Pen with Wet

Bulb and Dew Point Functions

Introduction

Thanks for purchasing the Triplett RHT02/RHT05 Hygro-Thermometer Pen

The models RHT02/RHT05 can measure Relative Humidity from 10% to

90% and Temperature from -4 to 140

F (-20 to 60

C). Advanced features

include MIN/MAX Memory, Push-button Calibration, Display Hold, and

Automatic Power Off. The model RHT05 adds Wet Bulb (Wb) and Dew

Point (DP) calculated measurements.

Summary of content (7 pages)

PAGE 1
User Manual RHT02 Hygro-Thermometer Pen RHT05 Hygro-Thermometer Pen with Wet Bulb and Dew Point Functions Introduction Thanks for purchasing the Triplett RHT02/RHT05 Hygro-Thermometer Pen The models RHT02/RHT05 can measure Relative Humidity from 10% to 90% and Temperature from -4 to 140oF (-20 to 60oC). Advanced features include MIN/MAX Memory, Push-button Calibration, Display Hold, and Automatic Power Off. The model RHT05 adds Wet Bulb (Wb) and Dew Point (DP) calculated measurements.
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Features        °F/°C switchable Data Hold freezes the reading on the display Min/Max records the highest and lowest readings Auto power off with disable Built-in Humidity calibration using optional calibration solutions Includes CR2032 battery 1-year warranty Description METER DESCRIPTION 1. 2. RH and Temperature Sensor Function Button Area 3.
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Operation  Power on the meter by pressing ON/OFF button. You will see a full display on the screen (though you might have seen "DP","WB" shown on the screen, however these icons are only available for RHT05 model) for one second, now the meter will start measuring the temperature and humidity and display both readings at the same time. Note: Make sure you have rotated the sensor cap for ready to measure.  “AIR” icon shows current environ-ment temperature and humidity.
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 To clear current MIN and MAX readings from memory, press and hold RESET button, now the meter reading turns to the normal mode and data in memory is clear now.  Press the hold button until "HLD" appears in display. The current reading is now being held and will not change until Hold function is cancelled. Press “HOLD” key to cancel HOLD function. Hold function can be used for Humidity and Temperature  Unit will turn itself off after 20 min. (Sleep mode).
PAGE 5
RH Calibration **NOTE: With optional calibration bottles or “know” humidity chambers the models RHT02/RHT05 can be self-calibrated at 33% and 75% following the procedure below** 1. Turn off the meter, plug the meter probe into 32.8% salt bottle and press “ON/OFF+F/C” key more than one second to turn on the meter and enter Calibration mode. 2. You will see 3x.x% display on the LCD, after 60 minutes the flashing stops to indicate the finish of “3x.x%” calibration (with saving) 3.
PAGE 6
BATTERY REPLACEMENT 1. Turn off the meter and use a coin to open the battery cover. 2. Put the battery (CR2032) whose "+" faces out into the battery compartment and place the battery cover back and lock it with a coin Troubleshooting Tips POWER ON BUT NO DISPLAY - Make sure the time of pressing ”ON/ OFF” key is more than 300mS. - Check the battery is in place and make sure good contact and correct polarity. - Replace a new battery and try again. - Remove the battery. Press “ON/OFF” for 10 seconds.
PAGE 7
Specifications Air Temperature Accuracy Relative Humidity Accuracy Wet Bulb Dew Point Resolution Power Dimensions Weight RHT02 -4 to 140°F (-20 to 60°C) ±1.8°F/1°C RHT05 -4 to 140°F (-20 to 60°C) ±1.8°F/1°C 0 to 100%RH ±3RH (10 to 95%) — — 0.1°F/°C; 0.1%RH 1 CR2032 Battery 6.9 x 1.7 x 0.6" (175 x 42 x 16mm) 1.9oz (55g) 0 to 100%RH ±3RH (10 to 95%) calculated calculated 0.1°F/°C; 0.1%RH 1 CR2032 Battery 6.9 x 1.7 x 0.6" (175 x 42 x 16mm) 1.