Features
RS-485 MODBUS Serial Output
4-20mA Analog Output
Field Programmable Alarm Relays
14-28 VDC Operation
Automated Non-Intrusive Calibration
Liquid Crystal display with back light
Description
featuresUltra 1000 series is a microprocessor based addressable sensor for detection of Hydrogen Sulfide in ambient air. The self- contained sensor user friendly interface and menu driven calibration procedure and configuration.
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. The unit’s modular design allows easy maintenance, troubleshooting and high reliability.
The unit provides a 4-20mA signal proportional to 0 to 100% of the detection range. In addition the sensor may be addressed via MODBUS RTU interface. The MODBUS output provides sensor status, alarm & fault conditions. Alarm levels can be programmed via MODBUS RTU or via magnetic switch on the face of the transmitter board assembly.
Ultra 1000 can be calibrated in less than 2 ½ minutes. The calibration and the set-up parameters are retained in a non-volatile memory.
Specifications
Sensor Type
Electrochemical (Also available in Solid State MOS)
Measuring Range
0 – 100 ppm (parts per million)
( 500 ppm extended range also available)
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
Display
2 lines by 8 Character LC Display with back light
Mechanical Specifications
Length: 7 inches (178 mm)
Width: 5 inches (127 mm)
Height: 4.5 inches (114 mm)
Status Indicators
LC Display for gas concentration, Alarm relay status, calibration mode and sensor fault status.
Input Power
14-28 VDC. 24 VDC nominal
Power Consumption
60mA @ 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
5 Amps @ 250 VAC or 30 VDC
Analog Output
Linear 4-20mA (300 Ohms max. load)
2.0 mA - Calibration mode
< 1.0 mA - Sensor malfunction
Interface
RS-485 MODBUS RTU (2 wire) at 9600 Baud rate
Cable Entry Hub
¾” NPT Female
Features
RS-485 MODBUS Serial Output
4-20mA Analog Output
Field Programmable Alarm Relays
14-28 VDC Operation
Automated Non-Intrusive Calibration
Liquid Crystal display with back light
Description
Ultra 1000 series is a microprocessor based addressable sensor for detection of Hydrogen Sulfide in ambient air. The self- contained sensor features user friendly interface and menu driven calibration procedure and configuration.
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. The unit’s modular design allows easy maintenance, troubleshooting and high reliability.
The unit provides a 4-20mA signal proportional to 0 to 100% of the detection range. In addition the sensor may be addressed via MODBUS RTU interface. The MODBUS output provides sensor status, alarm & fault conditions. Alarm levels can be programmed via MODBUS RTU or via magnetic switch on the face of the transmitter board assembly.
Ultra 1000 can be calibrated in less than 2 ½ minutes. The calibration and the set-up parameters are retained in a non-volatile memory.
Specifications
Sensor Type
Electrochemical (Also available in Solid State MOS)
Measuring Range
0 – 100 ppm (parts per million)
( 500 ppm extended range also available)
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
Display
2 lines by 8 Character LC Display with back light
Mechanical Specifications
Length: 7 inches (178 mm)
Width: 5 inches (127 mm)
Height: 4.5 inches (114 mm)
Status Indicators
LC Display for gas concentration, Alarm relay status, calibration mode and sensor fault status.
Input Power
14-28 VDC. 24 VDC nominal
Power Consumption
60mA @ 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
5 Amps @ 250 VAC or 30 VDC
Analog Output
Linear 4-20mA (300 Ohms max. load)
2.0 mA - Calibration mode
< 1.0 mA - Sensor malfunction
Interface
RS-485 MODBUS RTU (2 wire) at 9600 Baud rate
Cable Entry Hub
¾” NPT Female
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