Pocket Size Temperature/
Humidity Handheld Data Logger
RH32 Series
Starts at
$
350
†
Optional
POCKET PAL
⻬ ±2% RH Accuracy
⻬ Logs Up to 8000 Readings
(Both Temperature and
Humidity)
⻬ 3 Types of Sensors:
Built-in, Probe Type
and Miniature
Separate Sensor
⻬ Sensors Interchangeable
⻬ Min/Max and Average
⻬ High and Low Alarms
⻬ Optional Software
⻬ RS232C or RS485
Communication Standard
⻬ Reads Humidity or
Dewpoint Temperature
®
RH32B-C2, $350
shown actual size.
The reliable and accurate RH32
Series Temperature/Relative
Humidity Meters measure and
display both temperature from
-10 to 50°C (14 to 122°F) and
humidity from 0 to 100% RH. It has
the datalogging capability to store
up to 8000 readings of both
temperature and humidity into
memory. The data can be stored
either manually or automatically
from once a minute to once an
hour over a specified time period
entered in calendar time
(month/day/hour/minute).
Three types of sensors are
available: a built-in sensor, a small
separate sensor and a probe type
sensors. The model comes with
1 type of sensor when purchased,
but all sensors can plug into the
units and are easily interchangeable
without special calibration.
RS232C communication interface
is available along with optional
software for analysis of measured
data. The software allows for easy
transfer of data to a computer either
in real time or of data stored in
memory. A trend graph can be
displayed on the computer screen.
The data can also be exported to a
spreadsheet.
The RS485 communication allows
up to 30 units to be connected to a
computer for real-time temperature/
humidity measurement applications.
Specifications
Relative Humidity:
Sensor: Capacitance type
Measuring Range: 0 to 100% RH
Accuracy Rating: ±2% RH
[0 to 90% RH and 25°C (76°F)],
±3% RH [90 to 95% RH
and 25°C (76°F)]
Temperature Coefficient: ±0.1%
RH/°C [5 to 80°C (41 to 176°F)]
Response Time: Within 15 seconds
(90% response, 25°C constant, under
0.1 m/s ventilation)
Temperature:
Sensor: Semiconductor type
temperature sensor
Hu-1
Measuring Range:
RH32B: -10 to 50°C (14 to 122°F),
RH32S and RH32P: -40 to 80°C
(-40 to 176°F)
Accuracy: ±0.5°C (±0.9°F)
0 to 50°C (32 to 120°F); ±1°C
(±1.8°F) below 0°C (32°F) or above
50°C (120°F)
Sensor Interchangeability:
Interchangeable by plug-in; for probe
type and separate type, interchangeable
including cable
Power Supply: 2 “AA” batteries
(included) or 100 to 240 Vac with
optional AC adaptor
Display:
Current Data: Month, day, hour,
minute; temperature reading (°C or
°F); relative humidity or dew-point
temperature reading (°C or °F)
Logged Data: Parameters;
logged data at each year,
month, day, hour, or minute;
maximum temperature/humidity,
minimum temperature/humidity,
average temperature/humidity,
totalized temperature
†
Refer to footnote on page Hu-18 for
NIST calibration ordering information.
RH32S-RP
separate type
sensor
Plug-in connector
RH32P-RP probe
type sensor
RH32S-RP,
$171
RH32B-C2,
$350
RH32P-RP,
$192
Meter and optional accessories,
shown smaller than actual size.
MOST POPULAR MODELS HIGHLIGHTED!
RH32-AC110, $50
RH32-S2-CABLE,
$30
H
u
Plug-in connector
Programmable Set Up Parameters:
Clock, temperature °C/°F, humidity
or dewpoint, logging start/stop
time, high/low alarm, auto power
off, keylock
Logging Repetition: None, daily,
or weekly
Measurement Interval:
Continuous or 1 to 60 min
Number of Logged Data Points:
Temperature/humidity: up to 8000
points each, total 16,000 points
(EEPROM)
Communications Function:
RS232C or RS485
Dimensions: 64 W x 113 H x 32 mm D
(2.5 x 4.5 x 1.2")
Weight: 140 g (0.30 lb)
To Order
Model No. Price Sensor Type Communications
RH32B-C2 $350 Built-in RS232C
RH32B-C4 350 Built-in RS485
RH32S-C2 424 Miniature separate type RS232C
RH32S-C4 424 Miniature separate type RS485
RH32P-C2 445 Probe type RS232C
RH32P-C4 445 Probe type RS485
(Specify Model Number)
Accessories
Model No. Price Description
CAL-3-HU
RH32B-RP 103 Plug in replacement built-in sensor
RH32S-RP 171 Plug in replacement miniature
RH32P-RP 192 Plug in replacement probe type sensor
RH32-SW1 85 Software, RS232C, download and real-time
RH32-SW2 106 Software, RS485 multipoint, real-time only
RH32-AC110 50 AC power adaptor (recommended when
RH32-S2-CABLE 30 2 m (7') RS232C cable
RH32-S4-CABLE 40 2 m (7') RS485 cable
Comes complete with sensor and two “AA” batteries.
Note: Software, cable, and AC power adaptor sold separately.
Ordering Examples: RH32B-C2, with built-in RS232C, RH32-SW1, software and
RH32-S2-CABLE, cable, $350 + 85 + 30 = $465. RH32P-C2, probe type, $445.
Recommended Reference Book: The Automation Systems and Instrumentation
†
Dictionary, FW-338, $110. Visit omega.com/bobi for Additional Books
$135 NIST-traceable calibration
separate sensor
using RS485)
Hu-2
One Omega Drive | Stamford, CT 06907 | 1-888-TC-OMEGA (1-888-826-6342) | info@omega.com
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