Introduction Thank you for purchasing the Triplett RHDL95 Temperature /Humidity/Dewpoint Monitor with SD Card Datalogging This meter is user- friendly and reliable. Please read this manual thoroughly before operation. Features: Simultaneously Displays temperature and humidity SD card logging design for continuous...
POWER SUPPLY A da ptor it can be powered by 5VDC adaptor and 3pcs AA batteries. One 5V adaptor (I/P: AC 100-240V, 50/60Hz, O/P: DC5V, 0.5A) encloses in each SD card logger package. Suggest using adaptor for long-term logging. 4 different plugs are packed with each adaptor , choose and assemble the correct plug per your need.
When low battery icon appears on LCD, please remove the battery cover from the rear side and install 3 new AA batteries. into the battery compartment with correct polarity and good contact. Caution: 1.High-capacity SD card and high operating temp. will shorten the battery life.
HOUSING & KEYPAD FR ON T ④ 1.Power key to turn on /off the meter 2. SET key to program parameters: -high/ low alarm setting -sampling rate (logger series only) -start/stop logging ③ -ON/OFF beeper 3. Large LCD with air temp./humidity /DP/time display 4.
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R IGH T SID E 9. SD card slot -Press “ “ to raise the slot cover. -Insert the SD card by following the icon reminder on housing. - To take out the SD card, press the SD card to eject. 10.
OPERATION STARTING UP 1 . Connect with adaptor and install 3 pcs AA batteries as spare power source. (See page 2) 2. Press “ ON/OFF” key to power on the meter. If the measured value is over the limit, the beeper sounds and red LED flashes for first 10 seconds and then beeper sound will be off.
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3. Press “ SET “ key to confirm the time format and enter Year setting. Press “ “ or “ “ key to program the year. For example: 2010 is displayed as 10. 2011 is displayed as 11. . 4. Press “ SET “ key to confirm the Year setting and enter Month setting.
ALARM SETTING Use this function to set the high & low threshold of each parameters Alarm is activated while measurement is over the threshold: 1. Symbol warning When the measured value is higher than the high limit threshold or lower than the low limit threshold, the “...
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A la r m Se tup 1. When meter is on, press “SET” key for 3 seconds and release key while seeing “SEt” appear on the bottom of the LCD. After releasing key, the LCD is in alarm setting mode and ready for programming.
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-While need to leave the setting blank, press “MIN/MAX “ key to erase the previous setting and LCD displays “- - - “. -Press “ SET“ key to confirm the setting and enter RH% high alarm limit setup. 6.TA High alarm limit setup (adjustable range:5%~95%): -Press “...
LOGGING SAMPLING RATE Use this function to setup the logger sampling rate. The setting range is 1~720 minutes. The default is 10 mins. 1. When the meter is on, press “SET” key for 3 seconds and release key while seeing “SEt” appear on the bottom of the LCD.
DATALOGGING The advanced SD card logging function lets you record all data into SD card per your preset sampling rate. The sampling rate can be 1 min to 720 mins(12 hours). Once a new logging is started, a file name will be auto created. The file name is given per the start date and time.
6.We don’t warranty that all brands SD card is compatible with this meter. Suggest running a short-term logging to ensure your SD card is working on this logger before official recording. 7. Please don’t add extra label on SD card in case the label is stuck on the SD card slot.
SD CARD LOGGING START/ STOP After finishing the sampling rate setting, press “SET” key more than 5 seconds to activate the logging. “ON REC” will appear on LCD and start to record data into SD card. 1. The “ON REC” will appear on LCD for 2~10 seconds, depended on the SD card capacity.
SD CARD DATA REVIEW The recorded data is stored in SD card in following format: Temperature unit is depended on setting Please use an external SD card reader if you don’t have this device built in your computer. The SD card reader is not included in our standard package.
MAINTENANCE To clean the housing of the meter, please use dry, clean and soft cloth. Don’t use any chemical solution or polishing powder to clean the plastic. TROUBLESHOOTING METER COULD NOT BE POWERED ON Press "POWER” key > 0.3sec. - Check the connection status of adaptor or batteries. SLOW RESPON SE - The meter is designed to update the value every 10 seconds.
SPECIFICATION Te mp . ra n g e 14° to 158°F ( -1 0 .0 to 7 0 .0 Temp. resolution Te mp . accu ra cy +/-1 Humidity. range 0%~99.9%RH H u mi d i ty re so l u ti o n 0 .1 % R H +/-3%RH (at 25 C, 10~90%RH,...
APPENDI X B: WHAT IS DEW POI NT The dew point temperature is the temperature at which the air can no longer hold all of its water vapor and some of the water vapor must condense into liquid water. Condensation of water vapor begins when the temperature of air is lowered to its dew point and beyond.
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