SMC 4105 - Manuals - manualsarea.com

Page 2 - Sierra Monitor Corporation; GAS SENSOR MODULE; APPLICABILITY & EFFECTIVITY

Sierra Monitor Corporation 1991 Tarob Court, Milpitas, CA 95035 (408) 262-6611 (800) 727-4377 Fax: (408) 262-9042 E-Mail: [email protected] MODEL 4105 SERIES GAS SENSOR MODULE WITH DIGITAL DISPLAY AND NON-INTRUSIVE CALIBRATION 4-20 mA APPLICABILITY & EFFECTIVITY This manual provides instr...

Page 4 - Instruction Manual; PRODUCT DESCRIPTION; Magnetic switches for non-intrusive calibration.; Figure 1.2 Outline View - Gas Sensor Module

Instruction Manual Model 4105 Gas Sensor Module (12/02) Page: 1 1. PRODUCT DESCRIPTION 1 . 1 Introduction Model 4105 Series Gas Sensor module features non-intrusive calibration, 4-20 mA output signal and localcontinuous display of the gas concentration in ppm(toxics), % LEL (Combustibles), or % vol ...

Page 7 - OPERATION

Model 4105 Gas Sensor Module (12/02) Page: 4 Instruction Manual 4. OPERATION 4 . 1 Introduction Under normal conditions the sensor module does notrequire operator or technician intervention. The fol-lowing are conditions under which the module requiresattention: - Routine periodic calibration. - Cal...

Page 10 - b LEL Sensor Fault Supervision

Instruction Manual Model 4105 Gas Sensor Module (12/02) Page: 7 6.4a. Combustibles 1. Verify the voltage across A to R equals 2 volt. If not, adjust volts potentiometer R11 2. Verify the voltage from GND (TB2) to VOUT equals 0.4 volts. If not adjust BAL potentiom-eter (R2) 3. Verify that the voltage...

Page 11 - INSTALLATION

Model 4105 Gas Sensor Module (12/02) Page: 8 Instruction Manual 7. INSTALLATION 7 . 1 Sensor Locations Select locations for each of the sensors based on thefollowing: - Consider the density of the gas to determineheight of sensor above floor or ground level. - Sensors should be placed close to the p...

Page 12 - Wiring Diagram; Sensor; Toxics; Oxygen

Instruction Manual Model 4105 Gas Sensor Module (12/02) Page: 9 Figure 7.2 Wiring Diagram Combustible P 1 T B 1 T B 2 R I B B O N C A B L E T O C P U A S S Y . V O U T J P 1 1 3 2 4 U 2 U 4 U 5 R A C U 3 V O L T S B A L R 2 R 1 1 U 1 Sensor Pw r./Sig. Black Brown Red Toxics P 1 T B 1 T B 2 R I B B O...

Page 16 - REPLACEMENT PARTS; Rainshield

Instruction Manual Model 4105 Gas Sensor Module (12/02) Page: 13 10. LIMITED WARRANTY SIERRA MONITOR CORPORATION warrants its productsto be free from defects in workmanship or material undernormal use and service for two years after date of shipment.SMC will repair or replace without charge any equi...

Page 17 - Appendix A: Unity Gain Mode; GAIN the ZERO controls have a; Appendix C: End of Sensor Life Indication

Model 4105 Gas Sensor Module (12/02) Page: 14 Instruction Manual Appendix A: Unity Gain Mode The Unity magnetic control is available during CALMODE to allow the ZERO and SPAN adjustments to becentered within their range. This is similar to setting apotentiometer so the wiper terminal is exactly half...

Page 18 - The formula for calibration is as follows:

Instruction Manual Model 4105 Gas Sensor Module (12/02) Page: 15 Appendix C: Combustible Gas Scaling Factors (Table 1) Where possible, calibration gas should be the same as the gas to be detected. If this is not possible then a scaling factorshould be used to determine the “equivalent value” of the ...

Page 19 - COMBUSTIBLE GAS SCALING FACTORS; TABLE 1; Scaling factors are not FMRC approved.

Model 4105 Gas Sensor Module (12/02) Page: 16 Instruction Manual G A S METHANE PROPANE FACTOR FACTOR Acetaldehyde 6 0 1 0 9 Acetic Acid 5 4 9 8 Acetic Anhydride 4 6 8 3 A c e t o n e 5 2 9 4 Acetylene 5 7 1 0 3 Alkyl Alcohol 5 1 9 2 A m m o n i a 1 2 6 2 2 9 n-Amyl Alcohol 3 3 5 9 Aniline 3 9 7 1 Be...