F12 Toxic Gas Detector
F12 Toxic Gas Detector is designed to measure toxic gases and oxygen in hazardous locations requiring an Intrinsically Safe (IS) device.
Gas Type: Customer selected from available sensor list.
Sensor Type: Electrochemical for toxic gases and oxygen.
User adjustable within limits of selected sensor module.
Response Time: Sensor dependent.
Accuracy: Generally ±10% of value, but limited by available calibration gas accuracy.
Electronic: Repeatability: ±1%
Electronic Linearity: ±0.5%
Zero Drift: Less than 2% full scale per month, non-cumulative.
Span Drift: Dependent on operating environment but generally less than 3% per month.
Analog Output: Loop-powered 4-20 mA, 800 ohms maximum at 24 VDC
Serial Interface: HART™ (1200 baud modem interface )
MODBUS™ (1200-9600,14.4k, 28.8k – RS232 or RS485, s/w selectable)
Power: 12 - 30 VDC, 25 mA maximum in loop-powered mode.
12 – 30 VDC, 200 mA maximum in 3-wire mode.
115 or 230 VAC, 50/60 Hz.
Heated Sensor Power: 24 VDC connection, 250 mA max. (AC Units Supply Heater Power)
Alarm Relay Option: Three SPST, 5 A @ 230 VAC resistive.
Relay Coil: Programmable either normally energized or normally de-energized.
Enclosure: Nema 4X poly carbonate.
Controls: 4 program switches on front of transmitter.
Operating Temperature: -30º to +60º C (Minimum temp. for O2 sensor is -10º C).
Weight: 1 lb. (.5 Kg.)