Instruction/ maintenance manual of the product 4105 Sierra Monitor Corporation
Go to page of 19
MODEL 4105 SERIES GAS SENSOR MODULE WITH DIGI TAL DISPL AY AND NON-INTRUSIVE CALIBR ATION 4-20 mA.
Sierra Monitor Corporation 1991 T arob Court, Milpitas, C A 95035 (408) 262-66 11 (800) 727-4377 Fax: (408) 262-9042 E-Mail: sierra@sierramonito r .com MODEL 4105 SERIES GAS SENSOR MODULE WITH DIGI TA.
TABLE OF CONTENTS SECTION PAGE 1. PRODUCT DESCRIPTION 1 1.1 Introduction 1 1.2 Application 1 1.3 Configuration 1 1.3.1 Electronics 1 1.3.2 Sensor 1 2. CAUTIONS WARNINGS & RECOMMEND A TIONS 2 2.1 Introduction 2 2.2 Wiring 2 2.3 Sensor Modules - General 2 2.
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 local continuous display of the gas concentration in ppm (toxics), % LEL (Combustibles), or % vol (Oxygen).
Model 4105 Gas Sensor Module (12/02) Page: 2 Instruction Manual 2. CAUTIONS WARNINGS & RECOMMEND ATIONS 2.1 INTRODUCTION Although the sensor module is designed and con- structed for installation a.
Instruction Manual Model 4105 Gas Sensor Module (12/02) Page: 3 3. QUICK S TART 3.1 Overview The gas sensor module has been supplied factory cali- brated and ready for immediate installation and opera- tion. An installer familiar with installation and opera- tion of gas detection products can use this section to begin immediate use of the monito r.
Model 4105 Gas Sensor Module (12/02) Page: 4 Instruction Manual 4. OPER ATION 4.1 Introduction Under normal conditions the sensor module does not require operator or technician intervention. The fol- lowing are conditions under which the module requires attention: - Routine periodic calibration.
Instruction Manual Model 4105 Gas Sensor Module (12/02) Page: 5 Model Gas Min. Flow Rate (cc/min) 4105-02 CH 4 100 4105-03 O 2 100 4105-04 CO 150 4105-05 H 2 S 300 4105-06 Cl 2 300 4105-07 H 2 300 410.
Model 4105 Gas Sensor Module (12/02) Page: 6 Instruction Manual 6. SERVICE 6.1 Sensor Module Configuration The gas sensor module is comprised of the following sub assemblies: 4105-XX Gas Sensor Module.
Instruction Manual Model 4105 Gas Sensor Module (12/02) Page: 7 6.4a. Combustibles 1. V erify the voltage across A to R equals 2 volt. If not, adjust volts potentiometer R11 2. V erify the voltage from GND (TB2) to VOUT equals 0.4 volts. If not adjust BAL potentiom- eter (R2) 3.
Model 4105 Gas Sensor Module (12/02) Page: 8 Instruction Manual 7. INS TALLATION 7.1 Sensor Locations Select locations for each of the sensors based on the following: - Consider the density of the gas to determine height of sensor above floor or ground level.
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 Sen sor P w r./Sig.
Model 4105 Gas Sensor Module (12/02) Page: 10 Instruction Manual Model 4105-02 4105-03 4105-04 4105-05 4105-06 4105-07 4105-10 Gas Comb. O 2 CO H 2 S Cl 2 H 2 SO 2 Sensor Type Catalytic E.C. E.C. E.C E.C. E.C. E.C. Units %LEL % Vol ppm ppm ppm ppm ppm Range 0-100 0-25% 0-1000 0-100 0-10 0-1000 0-100 Resolution 3% F .
Instruction Manual Model 4105 Gas Sensor Module (12/02) Page: 11 Model 4105-12 4105-21 4105-22 4105-25 3 4105-26 3 Gas NO 2 HCL HCN NH 3 HF Sensor Type E.C. E.C. E.C. E.C. E.C. Units ppm ppm ppm ppm ppm Range 0-20 0-20 0-20 0-50 0-10 Resolution 0.2 0.
Model 4105 Gas Sensor Module (12/02) Page: 12 Instruction Manual Model Gas Reading from 100 ppm of interfering gas Number Type CO H 2 S Cl 2 H 2 SO 2 NO 2 NO HCl HCN C 2 H 4 4105-04 CO 100 315 -15 <40 50 -55 30 2 40 <50 4105-05 H 2 S <0.5 100 -20 <0.
Instruction Manual Model 4105 Gas Sensor Module (12/02) Page: 13 10. LIMITED WARRANTY SIERR A MONITOR CORPOR A TION warrants its products to be free from defects in workmanship or material under normal use and service for two years after date of shipment.
Model 4105 Gas Sensor Module (12/02) Page: 14 Instruction Manual Appendix A: Unity Gain Mode The Unity magnetic control is available during CAL MODE to allow the ZERO and S PAN adjustments to be centered within their range.
Instruction Manual Model 4105 Gas Sensor Module (12/02) Page: 15 Appendix C: Combustible Gas Scaling Factors ( T able 1) Where possible, calibration gas should be the same as the gas to be detected.
Model 4105 Gas Sensor Module (12/02) Page: 16 Instruction Manual GAS METHANE PROPANE FACTOR FACTOR Acetaldehyde 60 109 Acetic Acid 54 98 Acetic Anhydride 46 83 Acetone 52 94 Acetylene 57 103 Alkyl Alc.
An important point after buying a device Sierra Monitor Corporation 4105 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Sierra Monitor Corporation 4105 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Sierra Monitor Corporation 4105 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Sierra Monitor Corporation 4105 you will learn all the available features of the product, as well as information on its operation. The information that you get Sierra Monitor Corporation 4105 will certainly help you make a decision on the purchase.
If you already are a holder of Sierra Monitor Corporation 4105, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Sierra Monitor Corporation 4105.
However, one of the most important roles played by the user manual is to help in solving problems with Sierra Monitor Corporation 4105. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Sierra Monitor Corporation 4105 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center