Sensidyne SensAlert ASI Fixed Point Gas Detector (20 mA, 90 mA)

Sensors

Gas Sensors: Electrochemical, Infrared, Catalytic Bead

Test-On-Demand Modules: Type C and Type S

Electrical

Voltage/Power:

2-Wire 24 VDC (18-30 VDC): 20 mA

3-Wire 24 VDC (12-30 VDC): 90 mA

With opt. Relay Card and combustible sensors: 300 mA

Output and load resistance with 24 VDC at transmitter terminals:

3-wire 4-20 mA: 600 Ω maximum

2-wire 4-20 mA: 350 Ω maximum

Relay: 3-Wire Only - One SPDT Configurable Relay

Optional Card: Three (3) SPDT Configurable Relays

Contact Ratings: 5 Amps at 115 VAC or 30 VDC Resistive

Communication Link: 4-20mA current, non-isolated 2 or 4-wire options, RS-485 (Modbus), HART

Controls

Magnetic Keypad: ACK, << (Go Back), ▲, ▼

Security: Password Protected Configuration Menu

Displays

LEDs: Four (4) Red, corresponding to magnetic keypad, and Alarm Relays when equipped.

Graphic LCD: 128 by 64 pixel screen (backlight on 3-wire transmitters); displays Concentration and Measuring Units, Gas Name or Type, Sensor Span, Date and Time, Tag Number and System messages or Warnings

Enclosure Options

Standard: Blue, Copper-free Cast Aluminum

Dimensions: 6.7” W x 12.2” H x 6.5” D / 170 mm W x 308 mm H x 165 mm D

Weight Range: 6-8 lbs / 2.7-3.6 kg

Stainless Steel: Silver, 316 Stainless Steel

Dimensions: 6.7” W x 12.2” H x 6.5” D / 170 mm W x 308 mm H x 165 mm D

Weight Range: 13-16 lbs / 5.9-7.3 kg

Long-dome: Gray, Copper-free Cast Aluminum

Dimensions: 6.3” W x 11.7” H x 7.1” D / 160 mm W x 297 mm H x 180 mm D

Weight Range: 7-8.7 lbs / 3.2-4.0 kg

Datasheet