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Table of Contents
Related Manuals for CTI GG-O2
Summary of Contents for CTI GG-O2
- Page 1 GG-O2 OXYGEN GAS SENSOR Installation and Operation Manual...
- Page 2 GG-O2 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-O2 Table of Contents General description ..... 4 Installation ......4 Locating the sensor . -
Page 4: General Description
0-25% and 15-25%. One of the most important considerations when The GG-O2-C sensor is a +24 VDC, three-wire, installing GG-O2-C sensors is that they must be easily 4/20 mA sensor for oxygen which utilizes proven accessible for calibration and maintenance. -
Page 5: Installation Guidelines
GG-O2 Installation Guidelines: 6.5" • Always mount the sensor vertically. 2.0" • Must be easily accessible for calibration and maintenance. • Mount the sensor close to the potential leak source. • For optimum personnel protection, mount sensor in the “breathing zone” (4’ – 6’ above floor). -
Page 6: Wiring
GG-O2 Wiring Electrical wiring must comply with all applicable codes. Electrical Power: 24 VDC isolated, 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
GG-O2 Operation Note: Adjusting the span to achieve a 20.9% reading can be done with calibration gas or in clean air. Start-up Span Calibration: Before applying power, make a final check of all • Apply 20.9% O2 span gas at 0.8 L/min. - Page 8 GG-O2 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 long- life sensors, but several things can cause the cell chemicals to become depleted including: The GG-O2-C 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-O2 Specifications Weight: 3.0 lbs Enclosure: Injection-molded, NEMA 12 Washdown- Input Power: +24 VDC, 350 mA Duty, polycarbonate sensor housing with hinged lid Detection Principle: Electrochemical and captive screw. For non-classified areas. Optional Detection Method: Diffusion 18 GA, NEMA 3RX Washdown-Duty stainless steel Gases: Oxygen (O2) enclosure with hinged lid and captive screw. -
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-O2-C-DOC1-0 20171207 ctiengineering.com | 866-394-5861...
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