DI
SC
O
NT
IN
UE
D
High Performance
Handheld
Temperature/
Humidity Meter
⻬ ±2% RH Accuracy
⻬ Displays Temperature,
RH, Dewpoint
⻬ °C/°F Switchable
⻬ Maximum/Minimum
Recall, Display Hold
⻬ Optional Analog Output
(0 to 1 Vdc)
⻬ Optional Rechargeable
Batteries/Charger
⻬ Carrying Case Included
Model RH71
395
$
Basic Unit
The RH71 is a low cost microprocessor based digital
hygrometer/thermometer for measuring temperature,
relative humidity, and dewpoint. Special features include
reading temperature/ dewpoint temperature in °C or °F,
a hold/reset button for holding the display readings, and
a max/min button for storing the maximum or minimum
readings. Also available is a optional 0 to 1 Vdc analog
output for both temperature and humidity which can go
to a recorder, as well as a option for using rechargeable
Ni-Cad batteries with recharger.
Specifications
RANGES
Relative Humidity: 5 to 95% RH
Temperature: -20 to 80°C (-5 to 175°F)
Dewpoint: -50 to 80°C (-58 to 175°F)
ACCURACY
Relative Humidity: ±2% RH
Temperature: ±0.3% RDG ±1 Digit
SENSING ELEMENT
RH: Thin film capacitive
Temp: RTD (Pt100)
Resolution: 0.1% RH, 0.1 °C/°F
RESPONSE TIME
% RH: up to 90% of change in 15 sec.
Temperature: 60 seconds
Temperature Drift: ±0.5% RH
per 10°C (18°F)
Display: 0.5" LCD, 4 digits
Operating Temp:
Instrument: 0 to 50°C (32 to 125°F)
Probe: -20 to 80°C (-5 to 175°F)
Power Supply: 2 AA 1.5 V alkaline
batteries, included
Battery Life: 300 hours
Battery Check: Automatic
Weight: 227 g (8 oz)
DIMENSIONS
Instrument:
180 H x 76 L x 20 mm W
(7.1 x 3.0 x 0.8")
Probe: 25 x 178 mm L (1" dia. x 7.0")
Optional: 2 analog outputs,
0 to 1 Vdc rechargeable batteries with charger
MOST POPULAR MODELS HIGHLIGHTED!
To Order (Specify Model No.)
Model Number
RH71
RH71-A
Price
$395
445
RH71-AC
445
RH71-AC-A
495
RH70-RP
RH70-SF
CAL-3-HU
250
25
125
Description
Hygrometer/Thermometer
Hygrometer/thermometer with 0 to 1 Vdc
analog output
Hygrometer/thermometer with rechargeable
nicad batteries and recharger
Hygrometer/thermometer with rechargeable
batteries and analog 0 to 1 Vdc output
Replacement RH/Temp probe
Sinter filter
NIST Traceable Calibration
Unit comes complete with humidity/temp probe with 5' connecting cable, batteries,
carrying case and manual.
Note: The analog output and/or rechargeable battery option is not field installable.
Ordering Example: RH71-A handheld thermometer/hygrometer with 0 to 1 Vdc analog
output, plus CAL-3-HU NIST traceable calibration, $445 + 125 = $570.
Hu-14
H
u
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