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2050/2060 Gas Monitors (5/04)
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Instruction Manual
1.4 Temperature Range
The Model 2050 and 2060 have temperature compen-
sated circuitry to provide stabilization in temperatures
ranging from -4
o
to 158
o
F.
However, for optimum operation the unit should be cali-
brated at the normal temperature expected for the sensor
location.
1.5 Semiconductor-Type Sensor
A solid-state semiconductor-type sensor and associ-
ated electronic circuitry ensure trouble-free, long-term
operation. All the electronic circuitry needed to operate
the monitor, except the DC input power, is contained in a
compact unit. There are no pumps, filters, or chemical
cells to replace or maintain. Except for periodic calibra-
tion to verify the alarm setting, no attention is required
after installation. The user may adjust the alarm level by
applying a different calibration gas concentration.
A sensor self-check feature will flash the alarms on and
off alternatively should the sensor fail (open circuit).
The alarm flash includes LEDs, audible alarm, relay or
alarm signal as applicable.
1.6. Remote Alarm Available
If a remote alarm is desired, Sierra Monitor’s Alarm Pan-
els, the Model 2102 Dual Channel Alarm Panels can be
connected up to 500 feet away from the monitors.
2