3M FREEDOM 5000 Instruction Manual Download

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087-0020 REV

Table 3.

Rock Solid Sensor Part List

Part Description

Scott P/N

P/N Suffix

10 ppm 096-2247

-0010

20 ppm 096-2247

-0020

Chlorine (Cl

)

Hi Humidity - Model 24

096-2295

-XXXX

3 ppm 096-2295

-0003

5 ppm 096-2295

-0005

10 ppm 096-2295

-0010

20 ppm 096-2295

-0020

30 ppm 096-2295

-0030

Chlorine Dioxide (ClO

)

Hi Humidity - Model 78

096-2315

-XXXX

1 ppm 096-2315

-0001

3 ppm 096-2315

-0003

5 ppm 096-2315

-0005

Diborane (B

)

Lo Humidity - Model 42

096-2463

-XXXX

500 ppb 096-2463

-0500

Diborane (B

)

Hi Humidity - Model 43

096-2464

-XXXX

500 ppb 096-2464

-0500

Fluorine (F

)

Lo Humidity - Model 17

096-2846

-XXXX

1 ppm 096-2846

-0001

Fluorine (F

)

Hi Humidity - Model 18

096-2847

-XXXX

3 ppm 096-2847

-0003

5 ppm 096-2847

-0005

Hydrogen Bromide (HBr)

Lo Humidity - Model 94

096-2334

-XXXX

1 ppm 096-2334

-0001

5 ppm 096-2334

-0005

Hydrogen Bromide (HBr)

Hi Humidity - Model 95

096-2335

-XXXX

10 ppm 096-2335

-0010

30 ppm 096-2335

-0030

Hydrogen Chloride (HCl)

Lo Humidity - Model 92

096-2332

-XXXX

1 ppm 096-2332

-0001

10 ppm 096-2332

-0010

Hydrogen Chloride (HCl)

Hi Humidity - Model 93

096-2333

-XXXX

10 ppm 096-2333

-0010

25 ppm 096-2333

-0025

Hydrogen Cyanide (HCN)

Hi Humidity - Model 19

096-2785

-XXXX

10 ppm 096-2785

-0010

25 ppm 096-2785

-0025

Hydrogen Fluoride (HF)
Lo Humidity - Model 90

096-2330

-XXXX

1 ppm 096-2330

-0001

10 ppm 096-2330

-0010

Freedom 5000 Universal Analog Toxic Gas Detector

Instruction Manual

Summary of Contents for FREEDOM 5000

Page 1: ... 0020 REV E WARNING READ AND FOLLOW THE ENTIRE CONTENT OF THIS MANUAL PRIOR TO USE FAILURE TO DO SO MAY RESULT IN SERIOUS INJURY OR DEATH FREEDOM 5000 Universal Analog Toxic Gas Detector Instruction Manual ...

Page 2: ...nges in the product s described in this documentation at any time While every effort has been made to ensure accuracy in this guide no responsibility can be accepted for errors or omissions This publication is not intended to form the basis of a contract and the company reserves the right to amend the design content and specifications of the detector without notice Scott Safety 4320 Goldmine Road ...

Page 3: ...provals 12 Acronyms Quick Reference 13 Introduction 14 Unpacking 14 Overview of Sensor Operation 16 Gas Specificity 17 Sensor Accuracy 17 Typical Power Consumption 24 1 4 Turn Twist and Lock Accessories 30 Alarm and Loop Power Inhibit 31 Setting Inhibit Loop Current 31 System Maintenance 41 Freedom 5000 Universal Analog Toxic Gas Detector Instruction Manual ...

Page 4: ...Figure 9 E Pad Separate Installed in Endcap 28 Figure 10 Remote Sensor and Flat Duct Mount 29 Figure 11 Calibration Adaptor 30 Figure 12 Remote Duct Adaptor 30 Figure 13 Direct Duct Mount Adaptor 30 Figure 14 Inhibit Mode 31 Figure 15 Setting Inhibit 32 Figure 16 Zero Calibration 34 Figure 17 With SST Option 39 Figure 18 Sensor Self Test Generator 40 Figure 19 E Pad Sensor 41 Figure 20 096 2002 43...

Page 5: ...List of Tables Table 1 Acronym Quick Reference List 13 Table 2 Conventional Sensors Part List Not Rock Solid 47 Table 3 Rock Solid Sensor Part List 49 Freedom 5000 Universal Analog Toxic Gas Detector Instruction Manual ...

Page 6: ...ation Procedure section added revision table list of figures list of tables removed Sensor Life form Specifications section added and removed sensors form part list to update to reflect current sensor offerings removed all references to TYCO added 3M logo updated service center contact information Freedom 5000 Universal Analog Toxic Gas Detector Instruction Manual E Removed one remaining reference...

Page 7: ...is not used in accordance with the instructions If further operational or maintenance details are required but not provided in this manual contact Scott Safety or their agent Scott Safety shall not be liable for any incidental or consequential damages in connection with any modifications errors or omissions in this manual While every effort has been made to ensure accuracy in this owner s manual n...

Page 8: ... labeled WARNING INDICATES A POTENTIALLY HAZARDOUS SITUATION WHICH IF NOT AVOIDED COULD RESULT IN DEATH OR SERIOUS INJURY CAUTION INDICATES A POTENTIALLY HAZARDOUS SITUATION WHICH IF NOT AVOIDED MAY RESULT IN MINOR OR MODERATE INJURY IT MAY ALSO BE USED TO ALERT AGAINST UNSAFE PRACTICES NOTE HIGHLIGHTS VARIOUS INSTANCES WHERE AN ATTENTION TO DETAIL IS CRITICAL TO PRODUCT PERFORMANCE Freedom 5000 U...

Page 9: ...D OPERATION DO NOT EXPOSE THE FREEDOM 5000 TO ELECTRICAL SHOCK OR CONTINUOUS SEVERE MECHANICAL SHOCK DO NOT USE THE FREEDOM 5000 IF ITS ENCLOSURE IS DAMAGED CRACKED OR HAS MISSING COMPONENTS PROTECT THE FREEDOM 5000 FROM DRIPPING LIQUIDS AND HIGH POWER SPRAYS CAUTIONS FREEDOM 5000WILL NOT OPERATE WITHOUT POWER APPLIED USE ONLY A SENSOR ASSEMBLY COMPATIBLE WITH THE FREEDOM 5000 AND APPROVED BY SCOT...

Page 10: ...OTT authorized SCOTT agents are permitted to perform warranty obligations This warranty does not apply to defects or damage caused by any repairs of or alterations to THE PRODUCTS made by owner or any third party unless expressly permitted by SCOTT product manuals or by written authorization from SCOTT To obtain performance under this warranty and as a condition precedent to any duty of SCOTT the ...

Page 11: ... repairs Americas 3M Gas and Flame Detection Service Center 4055 Technology Forest Blvd Suite 100 The Woodlands TX 77381 Email Detcon Service scottsafety com Phone 713 559 9230 Europe Middle East and Africa 3M Oldham SAS Depot Repair ZI EST Rue Orfila CS 20417 62027 Arras cedex France Email oldhamgas fr r2 scottsafety com Phone 33 3 21 60 80 00 Asia and Pacific 3M Asia Pacific Pte Ltd Attn Alfeo P...

Page 12: ...as been tested and complies with the following directives standards or standardized documents North America CLASS I DIVISION 2 GROUPS A B C D T6 NEMA 4X INTERNATIONAL Ex nL IIC T6 Freedom 5000 Universal Analog Toxic Gas Detector Instruction Manual ...

Page 13: ...e C Degrees Celsius DC Direct Current EM Electromagnetic EMI Electromagnetic Interference F Degrees Fahrenheit ID Inside Diameter I O Input Output LCD Liquid Crystal Display LED Light Emitting Diode mA Milliamps NEC National Electrical Code NIST National Institute of Standards and Technology NPT National Pipe Thread OD Outside Diameter PCB Printed Circuit Board PCBA Printed Circuit Board Assembly ...

Page 14: ...rdous conditions created by toxic gas environments Each Freedom 5000 complete instrument consists of A GasPlus Sensor Providing toxic gas oxygen deficiency or hydrogen detection A Series 5000 Transmitter Providing a Digital display of the specific Toxic Gas detected in PPM Parts per Million PPB Parts per Billion or v v Percent by Volume depending on the specific application and sensor used A Magne...

Page 15: ...15 087 0020 REV E Figure 1 Freedom 5000 with Integral Sensor Freedom 5000 Universal Analog Toxic Gas Detector Instruction Manual ...

Page 16: ... where it is used to read gas concentration The Sensor and Battery Figure 2 Sensor Operation Each GasPlus smart sensor contains circuitry with an EEPROM and lithium battery The EEPROM retains specific sensor data including gas measuring type range alarm set points and sensor calibration factor When connected to the transmitter the sensor data is up loaded to the transmitter Upon disconnection of t...

Page 17: ...st possible response time while maintaining excellent zero stability and minimum drift approximate sensor response times are available from Scott Safety If response time appears to be slow refer to the Weekly Operational Checks within the System Operation section Sensor Life Because applications are of such a variable nature only experience in the given application or plant condition will determin...

Page 18: ...hich sensor should be used it is advisable to use the high humidity version Contact your Scott Safety representative for assistance in selecting the proper type for your application Extremely dry air has the potential to adversely affect the operation of electrochemical sensors At a R H continuously below 25 sensors can exhibit an early loss of sensitivity after a few days to a week of operation T...

Page 19: ...ause ignition of a given explosive atmosphere GasPlus sensors are designed as intrinsically safe and with the transmitter incorporating a remote safety barrier can be removed from the transmitter sensor housing within explosive environments These include Division 1 or Zone 0 areas Note Barrier must be installed in a non hazardous location Freedom 5000 expects to receive third party certification f...

Page 20: ...is powered up The 4 20 mA loop can be customer wired to any current input device e g Alarm PLC DCS systems etc Specific The Freedom 5000 unique electronic circuitry design provides a high degree of RFI immunity See Figure 3 for enclosure dimensions A LCD is provided for the toxic gas concentration and the units of measure PPM PPB or Also furnished are self diagnostic alarms Figure 3 Interface and ...

Page 21: ...nsor touch and hold Also used to recognize Enter when a calibration or set up change is required for entry touch only UP Arrow Increment the digital display or move to a different menu Touch only Down Arrow Decrement the digital display or move to a different menu Touch only The transmitter circuitry is modular in design utilizing 3 plug in circuit boards for ease of replacement if replacement is ...

Page 22: ...no SST option Display PCB P N 096 2497 Cable assembly P N 096 2613 See Figure 22 in rear of manual for sensor connector wiring legend and applicable customer non hazardous area wiring connections to terminal block Intrinsically Safe wiring diagram shown in Figure 21 at rear of manual Freedom 5000 Universal Analog Toxic Gas Detector Instruction Manual ...

Page 23: ...ely 18 from floor level In these applications care should be taken to protect the sensors from physical damage For gases that are lighter than air sensors should be installed at a high level or close to the potential leak source 3 Potential Gas Sources The location and nature of potential vapor gas sources e g pressure amount source temperature and distance need to be assessed Typically it is advi...

Page 24: ...tronics from moisture by thoroughly sealing the conduit entries and tightening the cover of the transmitter housing 11 Avoid PVC The Model 5000 Gas Transmitter enclosure and sensor housing are made of the material Noryl Do not allow this material to come in continuous contact with PVC as this will result in damage to the Noryl Typical Power Consumption 4 20 Loop 22mA maximum 0 5 watt 24VDC maximum...

Page 25: ...with Figure 7 Note that the Freedom 5000 is a two wire loop powered transmitter and it is polarity insensitive thus making wiring extremely simple Ensure that proper wire gauge is used and that all wire electrical grounds and sensor connections are secure and intact STEP 4 Close lid and tighten transmitter screws ensuring a tight seal It is important to hold the lid down tight while tightening the...

Page 26: ...s this could damage the elastomeric connector or the sensor housing Refer to Figures 8 9 Figure 7 Wiring Testing TB1 1 2 24 V DC 4 20 mA INPUT RECEIVER SHIELD GROUND AT RECEIVER ONLY RIBBON CABLE TO FRONT PANEL _ mV 40 00 MULTI METER SET TO mV RANGE TP1 TP2 0 0 NOTE TP1 AND TP2 ARE USED TO MEASURE 40 TO 200 mV DC CORRESPONDING TO THE 4 TO 20 mA OUTPUT SIGNAL NOTE ALTHOUGH TB1 IS MARKED AS 1 AND 2 ...

Page 27: ...ith the transmitter Retighten the sensor end cap to ensure electrical continuity 4 20ma Loop Connection Elastomeric pad P N 093 0097 Gas Sensor End cap Conventional P N 074 0357 End cap Rock Solid P N 074 0389 These are not used on remote configurations Sensor housing O ring P N 009 0039 Test Points TP1 Neg TP2 Pos Freedom 5000 Universal Analog Toxic Gas Detector Instruction Manual ...

Page 28: ...re 9 E Pad Separate Installed in Endcap Note The elastomeric pad can be installed with either side up down Alignment pin Alignment pin fits into sensor hole Freedom 5000 Universal Analog Toxic Gas Detector Instruction Manual ...

Page 29: ...al vendor Conduit must be a minimum size in order to allow the sensor cable connector to pass through the conduit Common applications are outdoor or heavy industrial areas 3 Option 50XX XX 5 This complete package provides three feet separation and flexible conduit with water tight aluminum fittings This only comes in a three foot length Conduit shipped uninstalled and must be fitted into the Freed...

Page 30: ...ows GasPlus sensor to be mounted onto round or flat exhaust or ventilation ducts without drying out your GasPlus sensor This adaptor will handle flow velocities up to 1000 fpm 17fps Available for use on flat ducts or 6 to 8 diameter ducts custom sizes also available For use only with transmitters configured for remote sensor and without junction box Direct Duct Mount Adaptor Figure 13 Part 096 271...

Page 31: ... by holding the loop output at the selected inhibit output level see below during calibration To activate or deactivate the inhibit function use the magnet and momentarily place it over the Z ZERO calibration zone Observe the LCD indicates the IHB function is active The inhibit mode can be manually deselected by reapplying the magnet to the Z ZERO calibration zone Freedom 5000 will automatically r...

Page 32: ...hed through a documented procedure Calibration frequencies will vary depending upon individual applications Harsh environments will generally require more frequent calibration At a minimum it is recommended that these calibration frequencies be followed Zero Calibration Upon system power up every 60 days or less upon new or old sensor re connection to the transmitter Oxygen Transmitter exception e...

Page 33: ...dure found on the next page Step 5 Take the Series 5000 transmitter out of inhibit mode by momentarily placing the magnet over the Z ZERO spot Observe the LCD indicates the IHB function is deactivated Storing Sensors Proper storage of the pre calibrated sensor is critical to ensure long term functionality of the spare sensor It is important to remember that upon disconnection of the GasPlus sensor...

Page 34: ...minutes before being hooked up to the calibration adaptor on the sensor This ensures that any analyte gas which may have been present from a previous span calibration is flushed from the tubing and adaptor Zero Calibration Procedure To zero the Transmitter proceed as follows Step 1 Install the calibration adaptor or flow cell to the GasPlus sensor see Figures Make all appropriate tubing connection...

Page 35: ...l scale range is required however a gas concentration of a least 50 of the full scale range is recommended BUT NOT IN EXCESS OF 100 STEP 3 Assemble the specific calibration kit to be used i e permeation tube device bottled gas gas generator etc and make the appropriate connections to the transmitter s calibration adaptor Attach the calibration adaptor to the transmitter s sensor typically p n 096 ...

Page 36: ...reedom 5000 will automatically return to displaying the present gas concentration STEP 6 Remove the calibration gas from transmitter Once the display is below the alarm level take the transmitter out of inhibit mode by momentarily applying the magnet to the Z ZERO point Observe that the 2 inhibit indication flags are no longer visible NOTE If the transmitter is not manually taken out of inhibit mo...

Page 37: ...s are designed to operate in many different environments In some extreme conditions the sensor may become unresponsive to the target gas due to continuous or excessive exposure to dust or dirt on the membrane or very high low humidity conditions It is suggested that a sensor response test should be performed weekly to ensure the transmitter continues to respond to the target gas It is recommended ...

Page 38: ...or housing e g bad or wet elastomeric pad Sensor Self Test SST Option The Sensor Self Test SST option provides a means for automatically testing the electrochemical gas sensor This is equivalent to the traditional bump testing of a sensor Test gas is generated by applying a low level voltage to a cell containing electrolyte This cell is called a generating cell The voltage causes the electrolyte t...

Page 39: ...cator flags will activate on the display Typically 2 3 minutes is required to complete the test During Sensor Self Test 1 Before turning on the gas generator the instrument verifies that there are no existing sensor faults and the existing gas concentration reading is below 5 FS If the concentration is at or above 5 FS the instrument will hold off on the test and reattempt the test in 1 hour and r...

Page 40: ...he sensor output fails to rise to 10 FS or more the display will indicate F02 and the output will drop to the fault level of 3 1ma In addition the SST flag will begin to flash For 10 seconds the output will remain at 3 1mA and then return to normal run mode for 50 seconds It will cycle like this until a successful test is run or until the SST control is set to OFF or until power is switched off an...

Page 41: ...SOLVENTS OF ANY KIND Sensor Replacement GasPlus sensors are pop in designed for ease of replacement Spare sensors are supplied in sealed containers and should not be opened until installation is required When installing a new Sensor avoid touching or pressing the white membrane on the front of the sensor Excessive dirt or grease on this membrane will cause a slow response and puncturing the membra...

Page 42: ... of laboratory filter paper Add 2 3 drops of concentrated hydrofluoric acid 49 and cap tightly Unscrew the cap and hold the mouth of the bottle near the tip of the sensor For GasPlus sensors detecting HCN SO2 H2S Observe Extreme Caution Place about 10 cc of 1N sulfuric acid into a small plastic polyethylene bottle Add a few crystals of sodium sulfide to the acid just prior to testing the sensor si...

Page 43: ...cott Safety refer to Spare Parts section of manual Using the Sensor Simulator STEP 1 Remove sensor and replace it with the sensor simulator The simulator will dis play 81 followed by 100 The simulator was arbitrarily set up as 0 100 ppm H2S STEP 2 Connect a voltage calibrator to the simulator black and red wires as show in Figure 20 STEP 3 Connect a DVM digital volt meter to the transmitter Test P...

Page 44: ...if high ozone levels are present When trying to detect gases at less than 1 PPM 1000 PPB concentration levels many interferences may be present particularly if close to an active industrial environment Poor Electrical Connection Possible Problem Elastomeric Connector Good electrical connection between the sensor and the transmitter is dependent upon the elastomeric connector If both the original s...

Page 45: ...play Due to the complexity of the circuit boards it is advisable that all troubleshooting be accomplished by interchanging boards with your spares Remove Boards 1 Loosen all the housing captive screws and open the hinged lid The lid will open downward The Power Supply and Display board will now be exposed 2 Remove the loop wires from terminals 1 and 2 and keep them insulated from any metal object ...

Page 46: ...s 7 Set up and calibration must now be carried out to complete the board change Display Board Follow steps 1 through 2 listed above 3 Un plug the ribbon cable from the Display board remove the 2 screws and life the board from the 2 positioning pins 4 Replace board 5 Follow steps in reverse 3 1 to complete the change out Caution Be careful when re connecting the ribbon cables makes sure that you do...

Page 47: ...96 1962 0500 1000 ppm 096 1962 1000 Chlorine Cl2 Hi Humidity Model 52 096 1945 XXXX 5 ppm 096 1945 0005 10 ppm 096 1945 0010 Ethylene Oxide ETO Hi Humidity Model 15 096 2905 XXXX 10 ppm 096 2905 0010 Fluorine Fl2 Model 62 096 1950 XXXX 10 ppm 096 1950 0010 Germane GeH4 Model 69 096 1957 XXXX 1000 ppb 096 1957 1000 Hydrogen H2 Lo Humidity Model 87 096 1967 XXXX 1 096 1967 0001 4 096 1967 0004 Hydro...

Page 48: ...72 096 1959 XXXX 50 ppm 096 1959 0050 100 ppm 096 1959 0100 Hydrogen Sulfide H2S Lo Methanol Model 21 096 2751 XXXX 25 ppm 096 2751 0025 50 ppm 096 2751 0050 100 ppm 096 2751 0100 200 ppm 096 2751 0200 Methanol CH3OH Model 59 096 2148 XXXX 500 ppm 096 2148 0500 Methyl Iodide CH3I Low Humidity Model 44 096 2188 XXXX 25 ppm 096 2188 0025 Methyl Iodide CH3I Hi Humidity Model 14 096 3538 XXXX 3 ppm 09...

Page 49: ...odel 75 096 2359 XXXX 100 ppm 096 2359 0100 Vinyl Chloride Monomer VCM Model 73 096 2404 XXXX 20 ppm 096 2404 0020 Table 3 Rock Solid Sensor Part List Part Description Scott P N P N Suffix Arsine AsH3 Lo Humidity Model 36 096 2457 XXXX 500 ppb 096 2457 0500 Arsine AsH3 Hi Humidity Model 37 096 2458 XXXX 1 ppm 096 2458 0001 Boron Trichloride BCl3 Hi Humidity Model 27 096 2635 XXXX 10 ppm 096 2635 0...

Page 50: ...7 096 2846 XXXX 1 ppm 096 2846 0001 Fluorine F2 Hi Humidity Model 18 096 2847 XXXX 3 ppm 096 2847 0003 5 ppm 096 2847 0005 Hydrogen Bromide HBr Lo Humidity Model 94 096 2334 XXXX 1 ppm 096 2334 0001 5 ppm 096 2334 0005 Hydrogen Bromide HBr Hi Humidity Model 95 096 2335 XXXX 10 ppm 096 2335 0010 30 ppm 096 2335 0030 Hydrogen Chloride HCl Lo Humidity Model 92 096 2332 XXXX 1 ppm 096 2332 0001 10 ppm...

Page 51: ...01 Phosphine PH3 Lo Humidity Model 38 096 2459 XXXX 500 ppb 096 2459 0500 Silicon Tetrafluoride SiIF4 Lo Humidity Model 30 096 2638 XXXX 5 ppm 096 2638 0005 Sulfur Dioxide SO2 Lo Humidity Model 96 096 2336 XXXX 1 ppm 096 2336 0001 3 ppm 096 2336 0003 10 ppm 096 2336 0010 Sulfur Dioxide SO2 Hi Humidity Model 97 096 2337 XXXX 1 ppm 096 2337 0001 10 ppm 096 2337 0010 25 ppm 096 2337 0025 Tungsten Hex...

Page 52: ...al Sensor only Flat Duct Mount Adaptor NOTE 3 096 2714 F Used with Transmitter Integral Sensor only Separated Sensor Parts Sold for remote sensors only 1 4 Remote Sensor PVC End Cap NOTE 1 096 2105 1 4 Remote Sensor PVC End Cap for ROCKSOLID 096 2273 Remote Sensor Condensing RH Humishield PVC End Cap 096 2142 Remote Sensor Condensing RH Humishield PVC End Cap for ROCKSOLID 096 2276 Stainless Steel...

Page 53: ...ut P C B A s Rem Sensor cable assy w cord grip 096 2619 Remote Sensor cable assy without cord grip used when cable is installed into conduit 096 2706 ORDERING NOTES 1 NOT to be used with ROCK SOLID sensors 2 The condensing humidity end cap has only been tested for H2S 3 Not available with SST 4 Type A is used with the following transmitters Rock Solid Cl2 ClO2 HBr HCl HF SO2 O3 Also standard Cl2 s...

Page 54: ...ONDUIT INSTALLATIONS Conduit not supplied Separated sensor with 3 feet of cable Longer shorter cable lengths up to 50 feet max can be specified Scott Safety does not recommend combining duct mount adaptor option with rigid conduit Installations as this configuration makes sensor removal from the adaptor difficult 5 FLEXIBLE CONDUIT OPTION Separated sensor with 3 feet of cable and flexible conduit ...

Page 55: ...kind and the buyer by acceptance of this equipment will assume all liability for the consequences of its use or misuse by the buyer his employees or others A defect within the meaning of this warranty in any part of any piece of equipment shall not when such part is capable of being renewed repaired or replaced operate to condemn such piece of equipment This warranty does not cover consumable item...

Page 56: ...99 RH non condensing up to 100 R H with option humi shield Weight 1 0 lbs 0 45 Kg without accessories Separated Sensor Up to 50 15 25m Self Diagnostic Routines Weak sensor indication Electronic faults Missing sensor Sensor configuration range and type and SST failure Output drops to 3 1mA 0 05mA in above failures except for weak sensor indication Approvals Unit designed to be intrinsically safe wh...

Page 57: ... load to the loop Current mirror barriers will not Consult the barrier manufacturer for further information Figure 21 Supply Voltage CD 0 10 20 30 0 200 400 800 1000 600 Supply Voltage DC Max Load Ohms Maximum Loop Load Freedom 5000 Universal Analog Toxic Gas Detector Instruction Manual ...

Page 58: ...mit the supply current and voltage to below a given figure under fault conditions Because intrinsically safe systems do not pose an explosion risk physical protection of the circuit from the explosive atmosphere such as an explosion proof enclosure is not required The Freedom 5000 can be used with two different types of safety barrier a diode shunt type or a current mirror type The advantage of th...

Page 59: ...talled per manufacturer s instructions 2 Control equipment connected to barrier inputs must not use or generate more than 250 Vrms 3 Installation must be in accordance with the Electrical Code of the country in use 4 The following entity conditions must be satisfied Voc Vmax Isc Imax Ca Ci Ccable La Li Lcable Freedom 5000 Universal Analog Toxic Gas Detector Instruction Manual ...

Page 60: ...60 087 0020 REV E Figure 22 I S Barrier Wiring Diagram Freedom 5000 Universal Analog Toxic Gas Detector Instruction Manual ...

Page 61: ...61 087 0020 REV E Freedom 5000 Universal Analog Toxic Gas Detector Instruction Manual ...

Page 62: ...62 087 0020 REV E Monroe Corporate Center P O Box 569 Monroe NC 28111 Teléfono 800 247 7257 Fax 704 291 8330 Sitio web www scottsafety com ...

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