Net Safety Monitoring IRM90 Specifications
IRM90 Motion Detector
PMS - Uncoated
PMS - Coated
PMS
BCR-0010-00-007
Product Data Sheet
IRM90 Motion Detector
Passive Infrared Optical Sensor
The IRM90-R is a passive infrared (PIR) motion detector is designed to provide
maximum safety and security from occupational hazards and ensure workplace
safety - even in the most hazardous and remote locations.
The detector monitors infrared radiation in the 8 to 15 micrometre range and
looks for changes in this radiation, such as an intruder walking through its 65
degree cone of vision, in order to relay an alarm. The explosion-proof housing is
factory sealed to simplify installation and the electronic circuitry does not require
any adjustments by the user. Normally closed relay contacts allow for connection
to alarm circuitry, annunciation panels or other control devices.
July 2012
Certified Explosion-proof Class 1, Div 1
Normally closed relay contacts for connection to
alarm circuitry or other devices. Contacts open
when motion is detected or detector power is lost
Operating Voltage Range 24 Vdc. Device can operate between 15 and 28 Vdc
Power Consumption (24 V dc) 21 mA /510 mW nominal | 30 mA/ 720 mW maximum
Operating Temperature Range -10°C to +50°C (+14F to +122F)
Relay Output Normally closed relay contacts with an 18 Ohm resistor in series. Rated 24 V dc,
0.1 Amp resistive. The relay output opens when motion is detected. It reverts to
a closed state 2 to 3 seconds after motion is no longer being detected. The relay
will also open if power to the detector is lost.
Spectral Sensitivity Range Responds to changes in infrared radiation levels between 8 to 15 micrometres
Weight (with swivel) 1.6 kg ( 3.5 lb)
Enclosure Material Powder coated or anodized aluminum - Part # IRM90-R
(optional stainless steel - P/N IRM90-R-SS)
Certifications Housed in a CSA, NRTL/C, NEMA 4X certified for hazardous locations Class I,
Division I, Groups B, C and D
Factory sealed enclosure eliminates the need for
conduit seals in the field
Included swivel mount simplifies installation and
makes angle adjustments fast and easy
Cone of Vision Nominal cone of vision of 65° provided by the fresnel lens attachment.
The maximum range of detection is 6 metres.
IRM90 Motion Detector
PMS - Uncoated
PMS - Coated
PMS
BCR-0010-00-007
Product Data Sheet
July 2012
HEADQUARTERS:
FLAME AND GAS DETECTION
Emerson Process Management
Net Safety Monitoring Inc.
2721 Hopewell Place NE
Calgary, Alberta, Canada T1Y 7J7
T +1 (403) 219 0688
T 1 866 FIREGAS
F +1 (403) 219 0694
www.net-safety.com
©2012 Emerson Process Management. All rights reserved.
Emerson Process Management, Rosemount Analytical, and Net Safety Monitoring are marks of Emerson Process Management group of
companies. All other marks are the property of their respective owners.
The contents of this publication are presented for information purposes only, and while effort has been made to ensure their accuracy, they
are not to be construed as warranties or guarantees, express or implied, regarding the products or services described herein or their use or
applicability. All sales are governed by our terms and conditions, which are available on request. We reserve the right to modify or improve the
designs or specifications of our products at any time without notice.
∞
Please refer to manuals for complete specifications.
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