The SensAlert ASI is a gas detection system designed for critical safety applications where protecting personnel, processes, and facilities is paramount. Here’s a breakdown of its key features:
Safety and Reliability
Versatility
Ease of Use
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Sensors
Gas Sensors – Electrochemical, Infrared, Catalytic Bead
Test-On-Demand Modules – Type C and Type S
Electrical
Voltage/Power:
Output and load resistance with 24 VDC at transmitter terminals:
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
Environmental
Temperature (Transmitter): -40°F to 158°F /-40°C to 70°C
Humidity (Transmitter) – 0-90% RH, non-condensing
Temperature (Sensor) – See Sensor Data Sheets
Humidity (Sensor) – See Sensor Data Sheets
Moisture Resistance – IP54; IP56 with optional rainshield
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
Approval Ratings
Explosion Proof – NEC and CEC Class I Div 1, Grps A, B, C, D; Class II Grps E, F, G; Class III T4
Flame proof – ATEX EEx d[ia] IIC T4 II 2 [1] G
Non-Incendive – NEC and CEC Class I Div 2, (Enclosed Break) Groups A, B, C, D; Class II Grps E, F, G; Class III T4 ATEX EEx nC [ia] IIC T4 II 3 [1]
Intrinsic Safety – NEC and CEC Class I Div 1, Grps A, B, C, D; Class II Grps E, F, G; Class III T4 ATEX EEx ia IIC T4 II 1 G
CE Mark – ATEX Directive 94/9/EC
IECEx – Zone 0 – Display Ex d [ia] IIC T4 / Sensor Ex ia IIC T4; Zone 1: Ex d [ai] IIC T4; Zone 2: EXnC [ia] IIC T4
UL / IEC – IEC 60079-0:2006, IEC 60079-11:1999, IEC 60079-15:2007
SIL-2 Certified – IEC 61508 SIL-2 Parts 1,2, & 3 Hardware & Software. Fit for use in SIL-2 applications
