TRIPLETT RHT02-NIST Hygro-Thermometer Pen User Manual
- June 12, 2024
- TRIPLETT
Table of Contents
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 60º 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.
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
- RH and Temperature Sensor
- Function Button Area
- LCD Display
FUNCTION BUTTONS
LCD DISPAY
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 shoes current environment temperature and humidity.
- The default setting of temperature display can be in oF or oC You can press F/C button to change the temperature display
- Press MIN/MAX button , MIN appears on display.
The LCD screen is now showing the minimum humidity and temperature readings in memory. Press MIN/MAX button again, MAX will show on the LCD screen. Press MIN/MAX button once again, it backs to the normal measurement.
- 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).To override Auto Power Off function (Non-Sleep Mode), press ON/OFF ,HOLD keys simultaneously before powering on. Now the display shows “n” on the screen. When “n” appears then release ON/OFF button. Unit will now be in Non-sleep mode for long time operation purposes
NOTE: For model RHT05 press “MODE” key to switch the mode of temp. display. When meter is in AIR temperature mode, press “MODE” to toggle between “AIR”, “DP”, and “WB” readings.
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**
- 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.
- 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)
- Move the meter probe to 75.3% and press “MN/MX” key more than one second to enter 7x.x% calibration.
- Now “7x.x%’ is flashing on the LCD.
- Flashing will stop after 60 minutes, it means the whole calibration is completed
NOTES:
- You can exit calibration without saving by pressing “ON/OFF” key
- Auto power off is disabled in calibration mode.
- For best accuracy results the calibration should be done in an environments temperature of 23+2°C
- If the reading difference is not within 0.3% after calibration , it means the calibration is failed
- RH Calibration solution lookup table→
A convenient look-up table has been built in to aid calibration.
If different temperatures, say 25 °C, the RH of MgCl is 32.78 and in 30°C, the
RH is 32.44.
The same reference says 30 °C . the RH of NaCL is 75.08 RH% humidity and in 35
°C , the RH is 74.87% .
(See the table)
The relations are recorded in the look -up table.
Once the calibration mode is ON, the meter will search the right humidity
value according to the current temperature to get more accurate calibra-tion.
BATTERY REPLACEMENT
- Turn off the meter and use a coin to open the battery cover.
- 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. Install the battery and
try again.
DISPLAY DISAPPEARS
– Check whether the low battery indicator is displayed on before display
off , if yes , please replace with a new battery.
– Turn on the meter by pressing “ON/ OFF+HOLD’ key to disable Auto Power Off
function for a long time using.
CALIBRATION FAILURE
– Check whether the low battery icon is displayed on before calibration , if
yes, please replace with a new battery and try again.
– Make sure the good sealing when the meter probe plug into the salt bottle.
– Make sure the free air temperature is within 23+2 °¢ when calibration.
Specifications
| RHT02| RHT05
---|---|---
Air Temperature| -4 to 140°F (-20 to 60°C)| -4 to 140°F (-20 to 60°C)
Accuracy| ±1.8°F/1°C| ±1.8°F/1°C
Relative Humidity| 0 to 100%RH| 0 to 100%RH
Accuracy| ±3RH (10 to 95%)| ±3RH (10 to 95%)
Wet Bulb| –| calculated
Dew Point| –| calculated
Resolution| 0.1°F/°C; 0.1%RH| 0.1°F/°C; 0.1%RH
Power| 1 CR2032 Battery| 1 CR2032 Battery
Dimensions| 6.9 x 1.7 x 0.6″ (175 x 42 x 16mm)| 6.9 x 1.7 x 0.6″ (175 x 42 x
16mm)
Weight| 1.9oz (55g)| 1.9oz (55g)
Warranty
Triplett / Jewell Instruments extends the following warranty to the original
purchaser of these goods for use. Triplett warrants to the original purchaser
for use that the products sold by it will be free from defects in workmanship
and material for a period of (1) one year from the date of purchase. This
warranty does not apply to any of our products which have been repaired or
altered by unauthorized persons in any way or purchased from unauthorized
distributors so as, in our sole judgment, to injure their stability or
reliability, or which have been subject to misuse, abuse, misapplication,
negligence, accident or which have had the serial numbers altered, defaced, or
removed. Accessories, including batteries are not covered by this warranty
Copyright © 2021 Triplett
1.888.610.7664
www.calcert.com
sales@calcert.com
Documents / Resources
|
TRIPLETT RHT02-NIST Hygro-Thermometer
Pen
[pdf] User Manual
RHT02-NIST Hygro-Thermometer Pen, RHT02-NIST, Hygro-Thermometer Pen,
Thermometer Pen, Pen
---|---
References
Read User Manual Online (PDF format)
Read User Manual Online (PDF format) >>