Net Safety Monitoring Inc.
MLP-A/AR/AD-ST1400-25
22
Appendix C: S
PECIFICATIONS
S
ENSOR
S
PECIFICATIONS
C
ONTROLLER
S
PECIFICATION
SENSOR ELEMENT
Oxygen O2 (ST1400)
Operating Temperature Range
-20°C to +50°C (-4F to +122F)
%
5
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Certifications
CSA and NRTL/C certified for hazardous locations. Class I, Division 1, Groups C and D.
IEC Rating Ex d IIB T6 NEMA 3R (Class 1, Zone 1, Grp IIB T6)
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Operating Temperature Range
-20°C to +50°C (-4F to +122F)
Power Consumption @ 24 V dc
Nom 68 mA / 1.63 W
Max 90 mA / 2.16 W
Nom 75 mA / 2.0 W
Max 108 mA / 2.6 W
Nominal 125 mA/3.01 W
Maximum 155mA/3.73 W
Humidity Range
0 to 99% relative humidity, non-condensing
Operating Voltage Range
10.5 to 32.0 V dc
Enclosure Material
Powder coated Copper Free Cast Aluminum (optional stainless steel)
Certifications
CSA and NRTL/C certified for hazardous locations. Class I, Division 1, Groups B, C and D. NEMA 4X.
IEC Rating Ex d IIB+H2 T5
Note: With any Type 4 enclosure (electronics only-sensor remotely mounted in Class I, Division 1 area with seals between
sensor and electronics), CSA and NRTL/C certified for hazardous locations, Class 1, Division 2, Groups A, B, C and D.
Weight
3.2 Kg (7.0 lb)
Outputs
- 4 to 20 mA - Into a maximum loop impedance of 800 Ohms at 32 V dc or 150 Ohms at 10.5 V dc. Isolated or non-isolated loop supply.
-
Premium version -
Form C contacts rated 5 Amps at 30 V dc / 250 V ac. Selectable energized / de-energized, latching/non-latching configurable low
and high alarms. Fault relay is factory set as energized, non-latching and cannot be modified.
Low Power Version -
Form A contacts rated.2.5 Amps at 60 V ac/dc. Selectable energized / de-energized, latching/non-latching configurable low and
high alarms. Fault relay is factory set as energized, non-latching and cannot be modified.
- Digital RS 485 Modbus RTU Protocol
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