Omega Products OM-61-RS232-DB9 User Manual
Temperature Humidity Alarm with Logging Capability
Extended Warranty
Program
SM
⻬ Audible and Visual Alarm
⻬ Digital Display
⻬ Log Up To 170 Days of Data
⻬ Relay Contacts For Remote
⻬ Remote Sensor
The OM-THA2 is a multi-function
unit that monitors temperature,
relative humidity and dew point,
provides for out-of-range conditions
and continuously logs data. It
consists of a base unit with an easy
to read display and a 4.6 m (15')
remote sensor probe.
The alarm function monitors
temperature, relative humidity
and dew point once every second.
If any of the readings reach an
alarm threshold, the unit generates
an alarm by turning on a beeper
and a dry relay contact. The relay
can be connected to a telephone
dialer, light or bell. The delayed
alarm feature can reduce false
alarms by ignoring short duration
alarm conditions. The unit will also
generate an alarm on probe failure.
The logger function records the
temperature, relative humidity and
dew point into internal non-volatile
memory at a user specified interval.
The recording is performed
continuously after the unit is turned
on. No computer setup is necessary
to start logging, and all logging
settings can be viewed or changed
through the front panel functions.
When the internal memory becomes
full the recording rolls over, overwriting the oldest recorded data.
Logged data can be reviewed on
a computer using the included
Windows software while
continuously recording new data.
All the operating settings of the
OM-THA2 can be changed from
the front panel, without the need
for a computer. The two line display
provides and easy to read means
of viewing or changing settings.
Specifications
SENSOR PROBE
Operating Temperature Range:
-40 to 140°F (-40 to 60°C)
OM-THA2
Starts at
$
250
Alarm or Auto Dialer
OM-THA2, $250,
shown smaller
than actual size.
Operating
Humidity Range:
0 to 95% RH non-condensing
Temperature Accuracy: ±2°F (±1°C)
Temperature Resolution:
0.1°F (0.1°C)
Humidity Sensor:
Polymer capacitive
Humidity Accuracy: ±2%RH
Humidity Resolution: 0.1%RH
Temerature Sensor: Solid state
Calibration: User calibration for
temperature and relative humidity
Dimensions: 9.65 cm L x 2.79 cm dia
(3.8 L x 1.1 dia)
Weight: 25 g (0.9 oz)
Cable Length: 4.6 m (15')
BASE UNIT
Operating Temperature Range:
32 to 132°F (0 to 54°C)
Storage Temperature:
0 to 130°F (-18 to 54°C)
Relay: 5A/250V NO/NC dry contact
Dimensions:
14 cm L x 11.4 cm H x 4.1" D
(5.5 L x 4.5 H x 1.6 D)
Weight: 245 g (8.6 oz)
ALARM
Temperature/Relative Humidity
Alarm: High/low temperature
and humidity alarms,
condensation alarm
Alarm Delay: Up to 2 hrs,
user-selectable
Alarm Indication: Audible/visual/relay
LOGGING
Sample Rate: 1 sec to 30 min,
user-selectable
Data History Storage: 2 hrs to 170
days, depending on sample rate
Memory Capacity: 8150 samples
for temperature, humidity and
dew point
Operating Humidity: 0 to 95%
RH non-condensing
Power: 12 to 24 Vac/Vdc,
0.78W alarm active
Battery Backup: 9V alkaline
battery for 35 hrs operation during
power outage
AVAILABLE FOR FAST DELIVERY!
To Order (Specify Model Number)
Model No. Price Description
OM-THA2 $250 Temperature humidity alarm
OM-THA2P 124 Replacement remote sensor probe
OM-61-RS232-DB9 14 1.8 m (6') RS232 cable with DB9F termination
OM-PL-USBS 49 USB to RS232 converter
OM-THA2 comes complete with operator’s manual, Windows software on CD ROM
and AC adaptor.
Ordering Example: OM-THA2, temperature humidity alarm, OM-61-RS232-DB9, RS232
cable, and OMEGACARESM1 year extended warranty for OM-THA2 (adds 1 year to standard
1 year warranty), $250 + 25 + 14 = $289.
To Order, Call or Shop Online at omega.com
Windows software
displays data in graphical
or tabular format.
OMEGACARESMextended
warranty program is
available for models shown
on this page. Ask your
sales representative for full
details when placing an
order. OMEGACARE
covers parts, labor and
equivalent loaners.
SM
SM
1
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