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Sierra Monitor Corporation Gas and Flame Detection System User Manual

Page 4

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Information Technology for Gas Detection

2-Wire Loop-Powered Toxic Gas Detectors

Open Path Gas Detectors

Best in Class IT Series gas detectors for intelligent Information Technology at the
detector level - smart monitoring of combustible gas, oxygen deficiency and toxic
gases. Safety information is provided to operators quickly via desired communication
technologies including Modbus, 4-20 mA, relay or HART.

Powerful low cost gas detectors:

Easy installation and accurate line-of-sight monitoring:

Longest calibration intervals in the industry

180 days for toxic gas and

catalytic bead combustible sensors and even longer for IR Combustibles
FM approved for operation performance and hazardous area safety – third
party approval for safety and performance
SIL-2 rated – meets safety integrity level requirements
Extensive integration options

4-20 mA, Relay, Modbus RTU, RS-485, HART,

SentryBus, Digital Display
Comprehensive menu based operation

scrolling LED display and user-

friendly messaging
Integral alarm relays option

no external enclosures needed

Flexible configuration – remote sensor, remotealarm acknowledge, easy
interface to plant-wide control system

Combustible Gas
Oxygen Deficiency
Carbon Monoxide
Chlorine
Ammonia
Hydrogen Sulfide
Sulfur Dioxide
Nitric Oxide
Hydrogen Fluoride
Hydrogen Cyanide
Hydrogen Chloride
Nitric Oxide
...and more

Sierra Monitor Gas
Detectors are available for:

IR Combustibles

Catalytic Bead Combustibles

Toxic Gas and Oxygen Deficiency

Low maintenance costs

with 180-day calibration interval

Low installation costs

utilizes 4-20 mA, 2-wire, loop-powered design

User-friendly operator interface

with integral scrolling, menu-driven LCD display

FM Approved for both performance and hazardous area

3rd party approval

Fastest response time and highest accuracy

specifications unmatched in the industry

Durability in tough applications

with a stainless steel transmitter/sensor enclosure

Non-intrusive calibration

enables calibration without declassifying the area

Flash-type technology – proven, reliable technology
Cost savings – one system can replace 5-20 single point gas detectors
Fast response – quick notification of hazardous gas
Performs under extreme conditions – meets local environment conditions

www.sierramonitor.com

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