Features
Microprocessor based modular design
Industry standard 4-20mA output
LED Status Indicator
12-24 VDC Power input
Reverse polarity protection
Class I, Div 1, Suitable for use in Hazardous Location
Simple Calibration
Description
Model PT205 sensor is designed to detect Hydrogen Sulfide in air and provides an analog output signal. PT205 uses electrochemical cell technology to detect H2S in parts per million (ppm).
The complete sensor consists of a stainless steel sensor head assembly, a user connection board and a transmitter board assembly. All of the sensor electronics are enclosed in an explosion proof instrument box. Sensor modular design allows easy maintenance, troubleshooting and high reliability. The low power microprocessor based sensor transmitter provides a 4-20mA analog signal proportional to 0 - 100% of the detection range of the sensor. Also an LED indicator on the transmitter board provides sensor status and fault condition.
Specifications
Sensor Type
Electrochemical
Measuring Range
0 to 100 parts per million (ppm)
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 inches (100 mm)
Status Indicators
LED indicator of sensor status
and fault condition.
Approvals
CSA Approved
CSA Standard C22.2 No 30-M1985 &
C22.2 No 142-M1987
Input Power
14-28 VDC. 24 VDC nominal
Power Consumption
< 1.1 Watt. Typical 45mA @ 24 VDC
Analog Output
Linear 4-20mA (300 Ohms max. load)
< 1.0 mA - Sensor malfunction
Cable Requirement
3 wire shielded cable.
Max loop resistance of
20 Ohms @ 24 VDC nominal
Cable Entry Hub
¾” NPT Female
Features
Microprocessor based modular design
Industry standard 4-20mA output
LED Status Indicator
12-24 VDC Power input
Reverse polarity protection
Class I, Div 1, Suitable for use in Hazardous Location
Simple Calibration
Description
Model PT205 sensor is designed to detect Hydrogen Sulfide in air and provides an analog output signal. PT205 uses electrochemical cell technology to detect H2S in parts per million (ppm).
The complete sensor consists of a stainless steel sensor head assembly, a user connection board and a transmitter board assembly. All of the sensor electronics are enclosed in an explosion proof instrument box. Sensor modular design allows easy maintenance, troubleshooting and high reliability. The low power microprocessor based sensor transmitter provides a 4-20mA analog signal proportional to 0 - 100% of the detection range of the sensor. Also an LED indicator on the transmitter board provides sensor status and fault condition.
Specifications
Sensor Type
Electrochemical
Measuring Range
0 to 100 parts per million (ppm)
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 inches (100 mm)
Status Indicators
LED indicator of sensor status
and fault condition.
Approvals
CSA Approved
CSA Standard C22.2 No 30-M1985 &
C22.2 No 142-M1987
Input Power
14-28 VDC. 24 VDC nominal
Power Consumption
< 1.1 Watt. Typical 45mA @ 24 VDC
Analog Output
Linear 4-20mA (300 Ohms max. load)
< 1.0 mA - Sensor malfunction
Cable Requirement
3 wire shielded cable.
Max loop resistance of
20 Ohms @ 24 VDC nominal
Cable Entry Hub
¾” NPT Female
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