Specifications Introduction • 5
1.5. Specifications
For default values, refer to Section 5.2., Setting
Parameters.
Table 1-5 - Specifications
Specification Description
Power Supply
24 VDC @ 0.15 A min; 24
VAC, 5 VA min @ 50/60 Hz,
2.5 W max
Power
Monitoring
Green LED
Visual Alarm Red 4-digit LED display
Audible Alarm
Buzzer (audible alarm),
enable/disable (Default
enabled)
Fault
Monitoring
Fault codes presented to user
Analog
Outputs
4-20 mA; 0-5V; 0-10V; 1-5V;
2-10V (Default 1-5V)
Relay
1 relay rated 1 A @ 24 VAC//
VDC (0.5A, 125V AC UL
rating)
Range 0-3500 PPM
Squelch
1
Readings below 75 PPM are
squelched by default
Communica-
tion:
MODBUS
RTU over
RS-485
Baud rate: 9,600 or 19,200
(selectable)
Start bits: 1
Data bits: 8
Parity: None, odd, even
(programmable)
Stop bits: 1 or 2,
programmable
Retry time: 500 ms (min time
between retries)
End of msg; Silent 3.5
characters
Alarm Delay
Selectable: 0 to 15 minutes
(Default, 0)
IP Rating
Not IP rated. An accessory
splash guard is available for
areas requiring additional
protection from wash down.
Response
Time, T90
T90 < 5 minutes
Temperature
Rating
-22°F to 104°F
(-30°C to 40°C)
Humidity and
Elevation
5-90% relative humidity,
non-condensing, 0-10,000ft.
altitude
Standard
Dimensions
and Weights
4.0” x 5.5” x 1.5” 6.3oz.
102 x 140 x 37mm 180g
Enclosure
ABS plastic; UL flammability
rating of 94V-0
Approvals CE, MET/IEC/EN 61010-1
1
When filtering is disabled (see Configuration
Parameters P.-19), the unit will respond to
concentrations sub-10 PPM.
Specification Description
Table 1-5 - Specifications
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