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Specification:
Transmitter Type :
3-wire, 4-20 mA gas transmitter with
Advance microcontroller based circuitry.
Operating Voltage :
18 to 30 Volts DC (typically 24 V DC)
Output Current
:
Normal operation
–
Linear 4-20mA output
Calibration mode - Steady 3mA (automatic
Reset to normal Operation)
Fault mode - 2mA or less
Current
: @
Toxic version & Oxygen - 80mA (max) at 24 VDC
Consumption
@ combustible version - 120mA (max) at 24 VDC
@ IR version
–
100mA (max) at 24 VDC
Sensor :
Plug-in smart Sensor module (same gas)
Memory
:
Non volatile memory inbuilt in the “sensor module”,
a Battery back-up is not necessary to retain values
in the event of Power outages.
Loop Resistance:
600 ohms maximum for 4- 20 mA loop current signal
Self-Test
:
Automatic self-test of sensor integrity
upon power ON.
Calibration :
Non-Intrusive, via magnetic switches
Display
:
Alphanumeric LCD/OLED display with backlight /
OLED.
Diagnostic status display & continuous readout of
gas concentration present. (ppm, %LEL or % V/V).
Alarm setting:
Two set-points
–
User Selectable.
Relay(optional)
: One Potential free Relay contacts, 10 Amp
Contacts
at 230VAC.
Communication
: Not Available
Physical Dimensions
:(Approx. Outline dimension including sensor
Adaptor & cable glands)
Width=245mm, Height=255mm, Depth=104mm.
Weight
: 2.5 Kg (approximately)