
56 • T3A Transmitter
Actual ranges may vary with our product. For inquiries beyond the information and
instructions provided, contact the sales representative of this product for assistance.
Measuring Current
If the value measured is 0 mA, then: the loop wires are broken, the sensor assembly is not
powered up, the sensor assembly is malfunctioning, or the controller is malfunctioning. A
digital multi-meter (DMM), or current meter, may be used in conjunction with the controller
and/or to test the 4-20 mA current loop signal. To measure the current, place the meter probes
in line with the current loop.
Sensor Element Scale Ranges
Sensor Type
Gas Type
Formula Range
Electrochemical (EC) Hydrogen Sulfide
H2S
0-100 ppm
Electrochemical (EC) Hydrogen Sulfide (High Range) H2S2K
0-2000 ppm
Electrochemical (EC) Sulfur Dioxide
SO2
0-20 ppm
Electrochemical (EC) Oxygen
O2
0-25%
Electrochemical (EC) Carbon Monoxide
CO
0-1000 ppm
Electrochemical (EC) Chlorine
CL2
0-20 ppm
Electrochemical (EC) Hydrogen Chloride
HCL
0-30 ppm
Electrochemical (EC) Ammonia
NH3
0-100 ppm
Electrochemical (EC) Ammonia (Medium Range)
NH3300
0-300 ppm
Electrochemical (EC) Ammonia (High Range)
NH3A
0-1000 ppm
Electrochemical (EC) Hydrogen
H2
0-4% volume
Electrochemical (EC) Chlorine Dioxide
CLO2
0-1 ppm
Electrochemical (EC) Hydrogen Cyanide
HCN
0-50 ppm
Electrochemical (EC) Nitrogen Dioxide
NO2
0-20 ppm
Electrochemical (EC) Phosphine
PH3
0-5 ppm
Infrared (IR)
Carbon Dioxide
CO2
0-5%
Infrared (IR)
Combustible Gas
LEL
0-100% LEL
Catalytic Bead (CB2) Combustible Gas
LEL
0-100% LEL
Содержание 71-0533
Страница 14: ...14 T3A Transmitter Figure 4 Mounting the T3A ...