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Table of Contents
Related Manuals for CTI GG-H2S
Summary of Contents for CTI GG-H2S
- Page 1 GG-H2S HYDROGEN SULFIDE GAS SENSOR Installation and Operation Manual...
- Page 2 GG-H2S Warning Use this product only in the manner described in this manual. If the equipment is used in a manner not specified by Calibration Technologies, the protection provided by the equipment may be impaired. This equipment should be installed by qualified personnel.
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Page 3: Table Of Contents
GG-H2S Table of Contents General description . . . . . . . . . . . . . . . . . . . . . 4 Installation . -
Page 4: General Description
GG-H2S General Description Installation Locating the sensor The GG-H2S sensor is a +24 VDC, three-wire, 4/20 mA sensor for hydrogen sulfide which utilizes proven One of the most important considerations when electrochemical sensor technology for fast and installing GG-H2S sensors is that they must be easily accurate detection. -
Page 5: Installation Guidelines
GG-H2S Installation Guidelines: • Remove and discard protective cell cap • Always mount the sensor vertically. 6.5" • Must be easily accessible for calibration and 2.0" maintenance. • Mount the sensor close to the potential leak source. • Mount sensor near ground level, typically 18” to 24”... -
Page 6: Wiring
GG-H2S Wiring Electrical wiring must comply with all applicable codes. Electrical Power: 24 VDC regulated, 350 mA. Output: Linear 4/20 mA output. Monitoring equipment may have a maximum input impedance of 700 ohms. Cable Recommendation: 20/3 shielded cable (General Cable C2525A or equivalent). Length of cable to sensor should be no greater than 1,500 feet. -
Page 7: Operation
Calibration • Slow response to / recovery from calibration gas. The GG-H2S Sensor comes factory calibrated and • Failure of the output to reach 50% of the calibration should require only minimal adjustments after gas value prior to span adjustment. - Page 8 GG-H2S Sensor Cable plugs into socket here Fault (red) LED: Span adjustment • On steady if supply voltage is Zero adjustment less than 10VDC. Status (amber) LED: Cell • Blinks once per second if RFI is 40-200 mV detected. mVDC Power (green) LED: •...
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Page 9: Maintenance
Sensor Life: These electrochemical cells are extremely reliable, but several things can cause the cell chemicals to become depleted including: The GG-H2S was designed for long life and minimal maintenance. For proper operation it is essential • a period of time that the test and calibration schedule be adhered to. -
Page 10: Specifications
GG-H2S Specifications Terminal Block Plug (Field Wiring): 26-12 AWG, torque 4.5 lbs-in. Enclosure: Injection-molded, NEMA 3RX washdown- Input Power: +24 VDC, 350 mA duty, polycarbonate sensor housing with hinged lid Detection Principle: Electrochemical and captive screw. For non-classified areas. Detection Method: Diffusion... -
Page 11: Warranty
No goods shall be returned to CTI until receipt by the buyer of shipping instructions from CTI; and c) the right of CTI to require that the buyer provide proof of purchase such as the original invoice, bill of sale or packing slip to establish that the product is within the warranty period. - Page 12 GG-H2S-DOC1-0 20190605 ctiengineering.com | 866-394-5861...
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