G-1
⻬ Monitors Four Type K
Thermocouples
⻬ Programmable High
and Low Temperature
Limits For Each
Temperature Sensor
⻬ Programmable Time
Delay For Each
Temperature Sensor
⻬ Recordable Identification
Message For Each
Temperature Sensor
⻬ Field Correctable
Temperature Readings
⻬ Record a Message to
Indicate the Location
of the OMA-VM520
⻬ LCD Displays
Real Time Data
⻬ Ethernet Data
Collection Package
Available. Includes
Free Software and
Ethernet Cable
OMA-VM520 SERIES
OMEGAPHONE Temperature Alarm Dialer
Four-Zone Thermocouple Input with Optional
Ethernet Data Collection
Starts at
$
845
You need to monitor the
temperature of a process across a
wide range and be immediately
notified any time, day or night,
if the temperature goes out of
specified limits. The OMA-VM520
will make a telephone call to up
to four phone numbers or pagers
to notify key personnel of a
temperature problem. Call
anytime and hear the temperature
of any sensor.
The OMA-VM520 is a full featured
temperature alarm system capable
of making alert telephone calls
when the temperature goes outside
of a user specified range.
The OMA-VM520 monitors up to
four (4) K-type thermocouple
temperature sensors, one (1) dry
contact alarm input, and power.
The OMA-VM520 has
programmable high and low
temperature limits and an alarm
time delay for each sensor. An
identification message can be
recorded for each sensor, indicating
where the sensor is located to allow
a quick response to a problem.
The OMA-VM520 has numerous
options that allow it to be configured
for any application.
The OMA-VM520 can monitor any
switch, relay, or dry contact with its
dedicated dry contact input. A time
delay can be programmed, enabling
a contact to be closed a maximum
amount of time before the buzzer is
activated and the OMA-VM520
begins its alarm procedures.
The OMA-VM520 will turn on the
alarm relay and buzzer and begin
making emergency notification calls
when the temperature of any sensor
is out of limits for greater than the
alarm time delay or if the dry contact
input is active.
The OMA-VM520 with Ethernet
Data Collection Package is also a
full featured temperature monitor
and temperature data logger that
can store temperature readings
on a computer.
OMEGACARESMextended warranty program
is available for models shown on this page.
Ask your sales representative for full details
when placing an order. OMEGACARE
SM
covers parts, labor and equivalent loaners.
OMA-VM520, $845, shown
smaller than actual size.
G-2
G
Comes with complete operator’s manual and AC adaptor.
Ordering Example: OMA-VM520-DCP, 4-channel temperature alarm dialer with ethernet
data collection and OMEGACARESM, 1-year extended warranty for OMA-VM520-DCP,
(adds 1 year to standard 1-year warranty), $1045 + 104 = $1149.
To Order
(Specify Model Number)
Model Number Price Description
OMA-VM520 $845 4-channel temperature alarm dialer
OMA-VM520-B20 892 4-channel temperature alarm dialer
with 20 hour battery backup
OMA-VM520-B30 911 4-channel temperature alarm dialer
with 30 hour battery backup
OMA-VM520-DCP 1045 4-channel temperature alarm dialer
with ethernet data collection
OMA-VM520-DCP-B20 1092 4-channel temperature alarm dialer
with ethernet data collection and 20 hour
battery backup
OMA-VM520-DCP-B30 1111 4-channel temperature alarm dialer
with ethernet data collection and 30 hour
battery backup
MOST POPULAR MODEL HIGHLIGHTED!
OMA-VM520, $845,
shown smaller than
actual size.
OMA-VM520-DCP,
$1045, shown
smaller than
actual size.
Data Logging Capability
Do you need to keep temperature
records? Using the Ethernet Data
Collection Package with the
complimentary Data Capture
Program enables you to store your
temperature readings indefinitely on
your computer and analyze and
work with your data. The Ethernet
Data Collection Package version
(OMA-VM520-DCP) allows you to
collect data across your LAN and
store readings on PC. Also, alert
emails can be sent out to alert staff
to temperature issues. A built-in
web server allows you to use a
simple web browser to check
the temperature by entering the
IP address of the device into a
web browser.
Specifications
Temperature Measuring Range:
0 to 1024°C (32 to 1875°F)
Accuracy: ±3°C (±5.4°F)
Resolution: 1°C (1°F)
Temperature Sensor Inputs:
4, Type K thermocouples
Sensor Connections:
Type K miniature size
thermocouple receptacle
Thermocouple Input
Impedance: 60 K Ω
Dry Contact Input:
1, 12 Vdc 10 mA source
Outputs:
Relay: 30 Vdc 1A contacts
Alarm Buzzer: 85 dB
Data Communication Method:
Ethernet (optional)
Power Requirements:
120 Vac at 50/60 Hz wall mount
transformer (included)
Battery Backup: 4-hour
rechargeable battery backup;
20 or 30 hours optional
Operating Ambient:
0 to 51°C (32 to 125°F)
Dimensions:
117 H x 223 W x 57 mm D
(4.62 x 8.79 x 2.26")
Material: ABS plastic
Weight: 1.0 kg (2 lbs)
ETHERNET DATA COLLECTION
LAN: Ethernet 10Base-T or
100Base-TX (auto-sensing)
Transport Protocol: TCP/IP, UDP
Connector: RJ45
LED Indicators: 10Base-T
connection, 100Base-TX
connection, link and activity
indicator (full/half duplex)
• Recording Time for
Sensor ID Messages: 5 seconds
• Number of Programmable
Emergency Phone Numbers: 4
• Number of Digits for Each
Phone Number: 20
• Number of Digits For The Local
ID which is Displayed When
Calling A Pager: 20
• Recording Time For The Local
Identification Message:
5 seconds
• Sensor High and Low
Temperature Limits:
Programmed in degrees
• Programmable Range of
Incoming Rings Before
the OMA-VM520 Answers:
1 to 20
• Number of Digits in
Programmable PIN: 4
• Sensor Callout Time Delay:
Programmable, 0 to 999 minutes
USER PROGRAMMABLE FEATURES
One Omega Drive | Stamford, CT 06907 | 1-888-TC-OMEGA (1-888-826-6342) | info@omega.com
EPG05
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0800-099-33-44
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