Extron electronics ExSens Instruction Manual page 6

Survey on the Transmitters:
available measuring principles
Catalytic Combustion (Type designation: ...-WT)
Infrared-Absorption (Type designation: ...-IR)
Electrochemical Sensor Element (Type designation: ...-EC)
Galvanic Oxygen Sensor (Type designation: ...-KE)
Metal Oxide Semiconductor (Type designation: ...-HL)
Robust, corrosion proof type for industrial application
(Sens version are available in stainless steel housing on request.)
Interfaces
4-20 mA
RS 485-Interface for calibration and maintenance (only types ExSens-I and
Sens-I)
Maximum distance to the control unit 1000 m, for transmitters with electrochemi-
cal sensor element 2000 m (when using ExTox Transmitter Cable)
Power Supply 18 to 30 V DC
External maintenance via ExTox-Software
Sens-I)
Sensor Element can easily be changed
Extensive self monitoring and diagnosis functions
Use in hazardous areas ( DB)
ExSens(-I)
Ignition protection: in conformity with ATEX, Category 2 (suitable for Zone 1
and 2)
Measuring function for explosion protection: in conformity with ATEX, Category
2 (ExSens-I BG-WT)
Sens(-I) (only types EC/KE with electrochemical sensor element)
Ignition protection: in conformity with ATEX, Category 3 (suitable for Zone 2)
(Please pay attention to the specific information on the enclosed declaration of conformity)
Measuring Function designed according to DIN EN 60079-29-1, DIN EN 45544 or
DIN EN 50104
ExSens(-I)
Page 6 of 20
ExTox Transmitter ExSens(-I) and Sens(-I)
ComSens (only types ExSens-I and
Instruction Manual
Sens(-I)