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Temperature-Humidity Logger

OM-THA2

Temperature-Humidity Logger  | OM-THA2

Temperature-Humidity Logger

£198.00 OM-THA2

CE
  • Audible and Visual Alarm
  • Digital Display
  • Log Up To 170 Days of Data
  • Relay Contacts For Remote Alarm or Auto Dialer
  • Remote Sensor
Data Loggers - View related products

Description

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 remote sensor probe with 4.5m of cable.

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 an external signalling or control device. 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 60°C (-40 to 140°F)
Operating Humidity Range: 0 to 95 %RH non-condensing
Temperature Accuracy: ±1°C (±2°F)
Temperature Resolution: 0.1°C (0.1°F)
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: 0 to 54°C (32 to 132°F)
Storage Temperature: -18 to 54°C (0 to 130°F)
Operating Humidity: 0 to 95% RH non-condensing
Power: 12 to 24 Vac/Vdc, 0.78W alarm active
Battery Backup: 9V alkaline battery for approx. 35 hrs operation.
Relay: 5A/250V NO/NC
Dimensions:14 cm L x 11.4 cm H x 4.1 cm D
Weight: 245 g (8.6 oz)
Alarms
Function: 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


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All amounts shown in EUR, GBP, or USD
Note: Model OM-THA2 includes complete operator’s manual, Windows software on CD ROM, RS232 cable and ac adaptor.
Ordering Example: (1) OM-THA2 OM-THA2 Temperature humidity alarm, £198.00