Penerangan
Hydrogen Sensor and Monitoring System
Benefits
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Protects life, property and company profits
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Ideal for remote locations
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Fail safe mode in event of loss of power
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Up to three (3) sensors can be installed to main control to meet space coverage requirements
Features
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Universal power inputs: 110/220 Vac and/or 12–48 Vdc input
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Strobe light for visual alerts
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Sensor status indicator LEDs on the main control
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Modular design for optimal placement of sensor(s)
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NRTL/C Certified: UL Std. No 61010-1 & CAN/CSA-C22.2 No. 61010-1-12
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UFC 3-520-05, January 2020
Installation
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Wall or 2-gang junction box mountable
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Mechanical relays are easily accessible:
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Warning 0.5 % relay, 15 A @ 120 Vac; 10 A @ 277 Vac; 10 A @ 28 Vdc
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Alarm 1% relay, 0.5 A resistive @ 28 Vdc, 0.5 A @ 125 Vac
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Redundant power supply capability; dual AC and/or DC power supply connections (DC power supply will operate as backup power source)
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Indicator LEDs can be tested by pushing the red “TEST” button
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Sensors can be tested in the field with the P/N H2-TESTKIT
Detector can operate exhaust fans and building alarms / SCADA systems:
Warning Settings: Should the concentration of hydrogen gas in the air surrounding the sensor reach 0.5% by volume, the “0.5% Warning” yellow LED will light up on the main control of the unit. In addition, the 0.5% internal relay will energize and can be used to activate an external exhaust fan or a building management/alarm system (via SCADA Modbus).
Alarm Settings: Should the hydrogen gas concentration reach 1% by volume, the “1% Alarm” red LED will light up, the strobe will flash and an audible alarm will sound. In addition, the 1% internal relay will energize and can be used to activate a building management/alarm system (via SCADA/Modbus).
SBS-H2-DoD Includes
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Main unit
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Hydrogen sensor
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25 ft. cable
Specification
Power Supply(s) |
110/220 Vac, 50/60 Hz and/or
12–48 Vdc (9–58 Vdc operating voltage) |
12.5% LEL (Lower Explosive Limit) |
Dry contacts rated 10A/250 Vac |
25% LEL (Lower Explosive Limit) |
Dry contacts rated .5A/28 Vdc |
Dimensions |
4.7'' L x 4.7'' W x 1.2'' D (main control) |
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