Model
R1910
Temperature & Humidity Meter,
Compact Series
Introduction
This compact thermo-hygrometer measures temperature and
relative humidity. The R1910 features Data Hold and Min/Max
functions and is designed for one-handed operation.
Warning:
Before using product, please read the operation manual carefully.
Operation Safety
1. Check the meter before using to ensure the instrument
is not damaged.
2. Do not open the meter.
3. When the LCD displays replace battery as soon
as possible.
4. Remove the batteries if the instrument will not be used
for an extended period of time.
5. Do not use the meter in high temperature, humidity,
flammable, combustible or strong electromagnetic
environments.
6. Use a soft cloth and neutral detergent to clean the
instrument. Do not use strong agents or solvents.
Note: Keep thumb away from sensor when taking readings
as body temperature may affect readings.
Display Description
1. Max
2. Min
3. Data Hold
4. Low Battery Indicator
5. Relative Humidity
6. °C
7. °F
8. Temp. Value
9. Humidity Value
Specifications
Temp. Measuring Range: 14 to 140°F (-10 to 60°C)
Temp. Accuracy: ±2.0°F (1.0°C)
Humidity Measuring Range: 0 to 100% RH
Humidity Accuracy: ±5% RH
Humidity Resolution: 0.1% RH
Display: Dual LCD
Backlit Display: Yes
Data Hold: Yes
Maximum: Yes
Minimum: Yes
Sampling Rate: 1 time/second
Overange Indicator: Yes
Auto Shut-Off: Yes (after 5 minutes, off)
Low Battery Indicator: Yes
Power Supply: 3 "AAA" batteries
Product Certifications: CE
Storage Temperature: 14 to 140°F (-10 to 60°C)
Operating Humidity Range: 10 to 80%
Dimensions: 6.3 x 2 x 1.1"
(155 x 50 x 28mm)
Weight: 4.2oz (102g)
Battery Installation and Replacement
1. This meter uses 3 AAA batteries. Refer to the figure
below for battery installation and replacement steps.
2. Push the battery cover open in the direction of the arrow,
lift the cover and remove the batteries.
3. Install new batteries in accordance of polarity indications.
4. Close the cover tightly after installing new batteries.
Key Functions & Setup
ON/OFF
Press once to turn on unit. Press again to power off.
Disable the product's auto power off feature by pressing and
holding HOLD and then press the ON/OFF key to enable/
disable auto power off, LCD will display "APO OFF" to
indicate status.
°C/°F
Press this button to switch between Celsius and Fahrenheit.
MAX/MIN
Press this button to cycle through maximum, minimum
and live measurement functions. Select maximum and the
maximum reading will be shown; select minimum and the
minimum reading will be shown.
HOLD/BL
HOLD: Press the button once to hold the measurement and
press it again to continue measuring.
BL: Hold button to turn the backlight display on and off.
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For service or information on this or any other REED product,
contact REED Instruments at info@reedinstruments.com.
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