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GSM Gas Monitors:
Carbon Monoxide, Methane, & Hydrogen
Individual Gas Monitors for Vaults & RT’s
[ Download 2 Page Brochure (128KB) ] |
Monitors Toxic or Combustible Gases
Stays Calibrated up to 5 Years without Drift
Field Adjustable Alarm Thresholds
Alarms for Gas Thresholds & Sensor Fault
Calibrates On-Site without Replacement
Visual LED Alarm Status |
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Quest’s GSM Gas Monitors are designed to provide safe, reliable, and long life monitoring and alarming for toxic
and combustible gases for your underground vaults, CEVs, CEMHs, CUEs, CECs, and WICs. |
• Monitors Carbon Monoxide (CO), Methane (HC), or Hydrogen (H2) Gases.
• Microprocessor-based design enables gas monitors to stay in calibration up to 5 years; then can be calibrated on-site without replacing monitor.
• Provides separate relays for exceeding pre-set gas thresholds and sensor failure.
• Alarm thresholds adjustable 0 to 90% in the field via RS232 port.
• Powered by –48VDC ensures gases are being monitored during commercial AC power failure.
• Connect directly to the TELSEC® controllers. |
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Key Features
• LED indicators exhibit power, alarm and sensor fault status.
• Automatic reset when gas levels fall below alarm thresholds.
• Communicate via RS232 port using standard, off-the-shelf
terminal emulation software, such as Procomm® or Hyperterminal®. |
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Specifications
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Sensor Description
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Carbon Monoxide
(Toxic)
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Methane
(Combustible) |
Hydrogen
(Combustible) |
Model#
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GSM-CO |
GSM-HC |
GSM-H2 |
Part#
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300151 |
300149 |
300148 |
| PID/SSI# |
001537000 |
N/A |
001537018 |
| Material ID# |
828371 |
N/A |
828372 |
| Detection Range |
0 to 250ppm |
0 to 10,000ppm |
0 to 500ppm |
Pre-set Alarm Level
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50ppm |
5,000ppm |
200ppm |
Outputs
Relay Contact Rating
K1
K2
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0.6 Amps at 125VAC or 2.0 Amps at 30VDC (resistive)
SPDT, Form C, normally de-energized for alarm
SPDT, Form C, normally energized for sensor fault
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Accuracy
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±5% FS (Full Scale) |
RS232 Port
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db9: On-site calibration, retrieval of gas values, and adjustment of threshold alarms
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Connections
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12”(305mm) wiring harness interfaces power and alarm relay
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| Power |
10 to 60 VDC or 10 to 42 VAC, 3 Va
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Electrical Compliance
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Meets CSA standards (ENTELA Certifcation)
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Ambient Operating Temp
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0 to 110ºF (-18 to 43ºC) |
32 to 110ºF (0 to 43ºC) |
32 to 110ºF (0 to 43ºC) |
Dimensions
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5.5”(140mm) W X 5.5”(140mm) H X 4.5”(114mm) D |
Weight
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1.8 lbs (0.8kg)
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Warranty
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1 year |
| Specifications are subject to change without notice |
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Send mail to info@questcontrols.com with questions or comments about this web site.
Copyright©1999-2008 Quest Controls, Inc. Updated: 04/29/09
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