Monitors Temperature, Relative Humidity and Power Status
Programmable High and Low Limits for Temperature and Relative Humidity
Program up to Four 20 Digit Phone Numbers
Works with Telephone Pagers
Easy-to-Follow Menu-Driven Programming Done Over the Phone
Discontinued product - please contact the Data Acquisition Dept for possible substitutes
is a full-featured monitor and alarm
system that monitors temperature
and relative humidity and power
status wherever the unit is located.
These systems can dial up to four
phone numbers, and the integrated
voice tells you the temperature and
percent relative humidity levels and
whether the power is on or how long
the power has been off. You can
also call the unit at anytime and
hear a status report that gives
you an update on the conditions
at your facility.
The OMA-VM500-3HT is easily
programmed over the phone.
Simply locate the unit in the area
where you want to measure the
temperature and relative humidity.
Plug in the phone line and the
power adapter and turn the unit on.
Call the unit from another phone or
cell phone and follow the spoken
instructions to program the
temperature and humidity limits and
the emergency phone numbers. The
system is now programmed and is
monitoring temperature, relative
humidity and power at your facility.
Temperature Measurement Range: 32 to 125°F (0 to 52°C);
unit is set up factory default for Fahrenheit operation (can be
changed in the field to Celsius operation) Temperature Sensor: Solid state Accuracy: ±2°F Relative Humidity Measurement Range:
0 to 90% RH non-condensing Humidity Sensor: Solid state Relative Humidity Accuracy: ±5% High and Low Programmable
Limits: 35 to 125°F, 0 to 100% RH Operating Ambient: 0 to 52°C (32 to 125°F) Telephone: Standard RJ11 phone jack connection Telephone Numbers: Stores up to four phone numbers up to 20
digits long Personal Identification Message:
Record up to a 10-second message over the phone Operation: Operates with answering
machine on the same phone line Power: Powered from included 120 Vac wall
mount transformer power supply Battery Backup: 4 hour rechargeable battery backup;
20 or 30 hours optional Dimensions:
140 mm H x 127 mm W x 64 mm D
(5.5 x 5 x 2.5") Material: ABS plastic Weight: 0.45 kg (1 lb)
注: Each unit is supplied with complete user’s manual.
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