Consilium ST650EX - Technical Specifications Overview; ST650 EX Technical Specifications; ST650-CO2 Technical Specifications; ST350 EX Technical Specifications

ST650EX / ST650-CO
2
/ ST350EX
v3.16
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8. TECHNICAL SPECIFICATIONS
ST650EX:
Gas type Combustible gases and vapours
Calibration Standard Methane, also available for Propane, Butane,
Hydrogen, Methanol, Ethanol, Kerosene, Toluene,
Hexane, Ammonia, Acetic acid and more…
(calibration to be specified when ordered)
Sensor type Catalytic bead (CAT)
Nondispersive InfraRed (NDIR)
Thermal Conductivity Detector (TCD)
Range 0-100 %LEL, 0-10 %LEL, 0-100 Vol.%
(depending on gas type, sensor type and calibration,
see label on sensor head or Chapter 9)
Response time See sensor datasheet
Warm-up time max. 180 sec.
Sensor lifetime min. 3 years (in clean air)
min. 5 years for IR sensor (in clean air)
ST650-CO
2
Gas type Carbon Dioxide (CO
2
)
Sensor type Nondispersive InfraRed (NDIR)
Range 0-1Vol.%, 0-5Vol.%, 0-10Vol.%, 0-100Vol.%,
Response time See sensor datasheet
Warm-up time max. 180 sec.
Sensor lifetime min. 5 years for IR sensor (in clean air)
ST350EX:
Gas type Toxic gases, (aromatic) Hydrocarbons, synthetic refrigerants
(Freons) (H)CFK’s and HFK’s
Calibration ST350-V: Standard Toluene
ST350-F: Standard Freon R134a
(other calibrations to be specified when ordered)
Sensor type Semiconductor sensor (or named MOS)
type SCV for Hydrocarbons
type SCF for Freons
Nondispersive InfraRed (NDIR), for toxic gasses
Range 0-50…5000 ppm
(depending on gas type, sensor type and calibration,
see label on sensor head or Chapter 9)
Sensor lifetime min. 3 years (in clean air)
GENERAL:
Power supply 17.5-24 VDC (max. 120mA)
Outputs 4-20mA (3-wire), RS485 Modbus RTU (2 wire)
Signal cable 3-wire shielded (5 incl. Modbus), 0.75 … 2.5 mm2
Load impedance max. 400Ω at 24 Vdc
Cable gland Standard Brass, optional SS (thread M20x1.5)