
User Manual
RHT12
Hygro-Thermometer
Introduction
Congratulations on your purchase of the Triplett RHT22 Humidity and
Temperature Indicator. The indicator is intended to be used for dual display of
Temperature and Humidity values in any given area where monitoring is
needed. The large easy to read digits makes is easily viewed and read in most
areas.
Features
• Dual display for Humidity and Temperature measurement in labs,
green houses, cleanrooms, warehouses, museums, offices, schools,
and homes
• Small profile fits easily in precision instrument, camera equipment and
musical instrument cases, humidors, terrariums, and other enclosed
displays
• °F/°C switchable
• Built-in stand
• Includes LR44 battery
Operation
1. Open the battery compartment and pull the battery insulator out.
2. Remove the protective film on the LCD.
3. Select desired unit of measure using the °C/°F Units Select Button on
4. Left side of the display is %RH value and the Right side is Temperature
the Rear of the meter.
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pecifications
S
±2°C (3.6°F) at other range
Warranty Information
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
Measuring range: Temperature: -10°C~50°C (14°F~122°F)
Humidity: 10%~99%
Accuracy: Temperature: ±1°C(1.8°F) within 0°C~35°C (32°F~95°F);
Humidity: ±5% within 25°C 60%, ±8% at others
Resolution: 1°C(1°F); 1%RH
Unit size: 2.2”x1.3”x0.4” (57(L) x 32(W) x 11.5(T)mm)
Power Supply: LR44 / AG13 Button Cell ( 1.5V )
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