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Summary of Contents for PBI Dansensor SGI-3
- Page 1 O N T H E Q U A L I T Y L I N E SGI-3/OXI-3/OXI-3.1 User manual English...
- Page 2 SGI-3/OXI-3/OXI-3.1 User manual PBI-Dansensor A/S Oxygen indicator SGI-3 OXI-3 OXI-3.1 User manual PBI-Dansensor A/S Your local distributor Copyright © PBI-Dansensor A/S PBI-210247-H UK 07/11/2005 PBI-Dansensor A/S • Roennedevej 18 • 4100 Ringsted • Denmark • Tel.: +45 57 66 00 88...
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Page 4: Table Of Contents
3.4. Alarm (SGI-3 and OXI-3 only) ........ -
Page 5: Introduction
The SGI-3 was designed to measure the oxygen level in all sorts of welding gases, both pure gases and formier gases. The built-in measuring gas pump ensures that gas is supplied to the oxygen indicator from the measuring point, and a row of LEDs indicate the value measured. - Page 6 The OXI-3 is PBI-Dansensor’s portable oxygen indicator for measurement of the O level in various industrial applications. This indicator is very similar to the SGI-3, but the following should be noted: There are 2 measuring ranges: 20.9% to 0.1% O and 1000 to 1 ppm O This oxygen analyzer cannot be used for measuring in formier gases.
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Page 7: Safety Precautions
If the instructions above are not observed, the guarantee does not apply. The SGI-3 and the OXI-3 must never be exposed to direct gas pressure, as the gas flow is controlled by the built-in pump. NOTE: The OXI-3.1 was designed to measure oxygen in inert gases... -
Page 8: Connection Of The Sgi-3, Oxi-3 And Oxi-3.1
Connect the measuring gas to the upper screwed connection (" "). It is important to GAS IN use PBI-Dansensor A/S oxygen diffusion-proof hoses and to tighten the union carefully. Use the " " push-button (SGI-3 and OXI-3 only) to select the gas to measure: RANGE SGI-3: " ", "... -
Page 9: Measurement
LEDs. Press to lower or increase the setting. The new setting is automatically stored after 3 seconds or if both alarm buttons are pressed at the same time, and the SGI-3 / OXI-3 returns to normal mode. The device can be fitted with an extra powerful internal acoustic alarm (accessory). -
Page 10: Welding (Sgi-3)
SGI-3/OXI-3/OXI-3.1 User manual PBI-Dansensor A/S 4. Welding (SGI-3) 4.1. Measuring errors in connection with welding Examples of measuring errors in connection with welding include: v Leak in fittings or weld groove. v Oxygen diffusion-proof hoses have not been used. v Defective membrane in shielding gas tool. -
Page 11: Input/Output Signals
PBI-Dansensor A/S SGI-3/OXI-3/OXI-3.1 User manual 5. Input/output signals The SGI-3, OXI-3 and OXI-3.1 are equipped with an 8-pole DIN connector for connection to data collection equipment and/or remote control. Location of pins in the DIN connector seen from the soldering side. -
Page 12: Voltage And Current Output
JM3 in pos. 1-2 = Current output (max. 500 Ohm) v JM3 in pos. 2-3 = Voltage output (0 - 5 VDC) The factory setting is normally current output on SGI-3 and OXI-3, and voltage output on OXI-3.1. Warning: It is important that the connection between the device and the printer or other data collection equipment is made correctly. -
Page 13: Maintenance
6.1. Calibration procedure for SGI-3 Calibration Warm up SGI-3 for at least 4 hours. Normally, 6 calibrations must be carried out, 4 of which with gases, typically: 1000ppm , 25ppm O... -
Page 14: Calibration Procedure For Oxi-3
When saving a calibration you leave the calibration menu. To leave the calibration menu without saving a calibration, turn off the SGI-3. Formier gases with 5% and 2% hydrogen should not be calibrated, as they are calculated on the basis of the calibration using 10% hydrogen. -
Page 15: Calibration Procedure For Oxi-3.1
PBI-Dansensor A/S SGI-3/OXI-3/OXI-3.1 User manual highest ppm value used, and let the system flush through until a steady readout is achieved (at least 2 min.). Adjust the number of LEDs that should be lit using the “alarm up” or the “alarm down” button. Save the calibration by pressing both “alarm up”... -
Page 16: Cleaning
SGI-3/OXI-3/OXI-3.1 User manual PBI-Dansensor A/S Note: The calibration gas is selected automatically on the basis of the current EMF when the calibration is saved. Calibration gas Sensor signal Ready LED flash EMF < 130mV 130mV < EMF < 180mV EMF > 180mV All calibrations can be deleted by pressing and holding for 10 seconds. -
Page 17: Error Messages/ Troubleshooting
PBI-Dansensor A/S SGI-3/OXI-3/OXI-3.1 User manual 7. Error messages/ Troubleshooting Problem Possible cause Possible solution The " " LED is not lit 1) The oxygen indicator is not Check, and make connection Power connected to the correct voltage 2) The fuse in the oxygen... -
Page 18: Spare Parts And Accessories
Groove probe, 1.6mm 200mm PBI 910824 v Cable for converting of OXI-3 DIN signals w/instruction PBI 220145 8.2. Spare parts for SGI-3 and OXI-3 v Adapter for measuring gas bottle content PBI 210339 v Adapter for gas bottle connection... -
Page 19: Consumables For Sgi-3 And Oxi-3
SGI-3/OXI-3/OXI-3.1 User manual v Kit, upgr. OXI-3 V.1.4 PBI 210692 v Kit, upgr. SGI-3 V.1.3 PBI 210693 8.3. Consumables for SGI-3 and OXI-3 v Filter, external, complete PBI 920002 8.4. Spare parts for OXI-3.1 v DIN 8-pole connector, for signal output/input, straight... -
Page 20: Technical Specifications
SGI-3/OXI-3/OXI-3.1 User manual PBI-Dansensor A/S 9. Technical specifications 9.1. Sensor Solid-state sensor with electrolyte made of stabilized zirconium oxide, which is pre-heated to a constant temperature of 1000K (727 C). The warm-up time is approx. 20 minutes, and an LED on the front plate indicates that the sensor is ready to measure, while a +15 VDC output signal is transmitted through the 8-pole DIN connector. -
Page 21: Flow System, Sgi-3 & Oxi-3
LEDs lit increases as the oxygen content in the measuring gas drops. LED indication of: mains voltage, pump operation, sensor function and measuring gas selected. The SGI-3 was designed to measure oxygen in inert gases (inert - argon/nitrogen) or formier gases. Before leaving the factory, the device was calibrated for measuring with... -
Page 22: Operating Voltage
SGI-3/OXI-3/OXI-3.1 User manual PBI-Dansensor A/S The OXI-3 was designed to measure oxygen in inert gases (inert - argon/nitrogen/ helium). Before leaving the factory, the device was calibrated with a N mixture. 9.8. Operating voltage 230VAC: (±10%), 50/60 Hz, max. 150 VA, rated: 60 VA.
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