Sensor Type
Electrochemical
Measuring Ranges
Ammonia
(NH3)
Carbon Monoxide (CO)
Chlorine (CL2)
Chlorine Dioxide (CLO2)
Ethylene (C2H4)
Ethylene Oxide (C2H4O)
Hydrogen Chloride (HCL)
Hydrogen Sulfide (H2S)
Hydrogen (H2)
Hydrogen Cyanide (HCN)
Methyl Mercaptan (CH3SH)
Nitrogen Dioxide (NO2)
Nitric Oxide (NO)
Oxygen Deficiency (O2)
Sulfur Dioxide (SO2) |
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0-50
ppm
0-100, 0-1000 ppm
0-10 ppm
0-50 ppm
0-100 pm
0-50 ppm
0-20 ppm
0-100 ppm
0-100, 0-1000 ppm
0-30 ppm
0-100 ppm
0-20 ppm
0-25% by volume
0-100 ppm
0-50 ppm
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Repeatability
± 2 % Full scale
Zero Drift
< 5% per year
Response Time
T90 < 30 seconds with 100% FS gas applied
Classification
Class I, division 1, Groups B,C &D
Operating Temperature
-4°F to +122°F (-20°C to +50°C)
Operating Humidity
15% to 90% RH, non-condensing
Mechanical Specifications
Length: 7 inches (178 mm)
Width: 5 inches (127 mm)
Height: 4.5 inches (114 mm)
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Display
Bright 3 digit LED display
Status Indicators
Amber and Red alarm LED indicators
for Low,
High and Fault Alarms.
Three-digit display for gas concentration,
calibration mode and sensor fault codes.
Input Power
14-28 VDC. 24 VDC nominal
Power Consumption
65mA @ 24 VDC typical
Alarm Relays
Fully programmable. 0 to Full scale
range
of the sensor. Latching or Non-Latching.
Relay Ratings
SPDT Form "C" type Relay
contacts
0.5 Amp @ 125 VAC or 2 Amps 30 VDC
Analog Output
Linear 4-20mA (300 Ohms max. load)
2.0 mA - Calibration mode
< 1.0 mA - Sensor malfunction
Calibration
Non-Intrusive activated by internal
magnetic
switch
Cable Requirement
3 wire shielded cable. Max loop resistance
of
20 Ohms @ 24 VDC nominal
Cable Entry Hub
¾" NPT Female
Other Toxic Gas sensors available
Call factory or visit www.pem-tech.com
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