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Page 2 - SMC; sierra monitor corporation; Sentry Instruction Manual - Version 6; SERVICE; Comparing to ground measure; Cover Plate - Combustible Gas Module

SMC sierra monitor corporation Sentry Instruction Manual - Version 6 SERVICE Page: 69 7.5 COMBUSTIBLE GAS SENSOR MODULE (5100-02) 7.5.1 DESCRIPTION The Combustible Gas Module includes the sensor and electronic assembly installed in an explosion proof housing. The sensor screws into one hub of the en...

Page 3 - SENSOR REPLACEMENT

SMC sierra monitor corporation Sentry Instruction Manual - Version 6 SERVICE Page: 70 3. Using a Sierra Monitor Model 1200-26 Gas Calibrator with a Sierra Monitor Model 5358-00 calibration adapter, or Model 5360 Gas Delivery Fitting. Apply the calibration gas at a flow rate of 100 cc/min. until the ...

Page 4 - COMBUSTIBLE GAS SCALING FACTORS; Scaling factors are not FMRC approved.

SMC sierra monitor corporation Sentry Instruction Manual - Version 6 SERVICE Page: 71 7.5.5 COMBUSTIBLE GAS SCALING FACTORS For combustible gas monitoring, a calibration standard of Methane or Propane my be used in conjunction with scaling factors to cause Sentry concentration display and alarm func...

Page 5 - DESCRIPTION; ADJUSTMENT PROCEDURE; Cover Plate - Oxygen Module

SMC sierra monitor corporation Sentry Instruction Manual - Version 6 SERVICE Page: 72 7.6 OXYGEN MODULE (5100-03) 7.6.1 DESCRIPTION The Oxygen Module includes the electronic assembly installed in an explosion proof housing and the electrochemical sensor connected to one hub of the enclosure. Cabling...

Page 6 - After the sensor is installed:

SMC sierra monitor corporation Sentry Instruction Manual - Version 6 SERVICE Page: 73 Unscrew the old sensor from the conduit hub, screw in the new sensor and connect the wiring harness to the transmitter electronics. Replace the transmitter into the enclosure, make signal adjustments as described a...

Page 7 - During sensor adjustments the; To make the electrical adjustment connect a voltmeter to; potentiometer to adjust the voltage; Cover Plate - Carbon Monoxide Module

SMC sierra monitor corporation Sentry Instruction Manual - Version 6 SERVICE Page: 74 7.7 CARBON MONOXIDE MODULE (5100-04) 7.7.1 DESCRIPTION The Carbon Monoxide Module includes the sensor and electronic assembly installed in an explosion proof housing. The sensor screws into one hub of the enclosure...

Page 9 - assembly installed in an explosion proof housing.; TROUBLE ANALYSIS; The; Cover Plate - Hydrogen Sulfide Module

SMC sierra monitor corporation Sentry Instruction Manual - Version 6 SERVICE Page: 76 7.8 HYDROGEN SULFIDE MODULE (5100-05) 7.8.1 DESCRIPTION Model 5100-05 Hydrogen Sulfide Sensor Module includes a sensor assembly and electronic assembly installed in an explosion proof housing. The sensor assembly i...

Page 10 - faces the socket labeled; SENSOR OUTPUT ADJUSTMENT; Hydrogen Sulfide Transmitter Component Locator

SMC sierra monitor corporation Sentry Instruction Manual - Version 6 SERVICE Page: 77 1. Confirm that system power has been removed. 2. Remove the transmitter electronics board from the main housing and unplug the sensor harness from the transmitter electronics. 3. Unscrew the sensor housing from th...

Page 11 - Cover Plate - Toxic Gas Module

SMC sierra monitor corporation Sentry Instruction Manual - Version 6 SERVICE Page: 78 7.9 TOXIC GAS SENSOR MODULE 7.9.1 DESCRIPTION Toxic Gas Sensor Modules include the following models and default ranges: 5100-06 Chlorine -10 PPM 5100-07 Hydrogen - 2000 PPM 5100-12 Nitrogen Dioxide - 20 PPM 5100-13...

Page 12 - message for toxic gas; Toxic Gas Transmitter Component Locator

SMC sierra monitor corporation Sentry Instruction Manual - Version 6 SERVICE Page: 79 The SENSOR FAILURE message for toxic gas sensors does not indicate a specific failure of the sensor but indicates that the sensor is not correctly connected to the electronics. If this message appears check that th...

Page 14 - Cover Plate - Ammonia Module

SMC sierra monitor corporation Sentry Instruction Manual - Version 6 SERVICE Page: 81 7.10 AMMONIA SENSOR MODULE (5100-25) 7.10.1 DESCRIPTION The Ammonia Sensor Module includes a sensor assembly and electronic assembly installed in an explosion proof housing. The sensor assembly includes a rechargea...

Page 15 - message for ammonia sensors does

SMC sierra monitor corporation Sentry Instruction Manual - Version 6 SERVICE Page: 82 The SENSOR FAILURE message for ammonia sensors does not indicate a specific failure of the sensor but indicates that the sensor is not correctly connected to the electronics. If this message appears check that the ...