Interscan Corporation GF1900, Manual

Page 1: ...SULFURYL FLUORIDE MANUAL REV C PAGE 1 OF 23 04 07 11 GF 1900 SULFURYL FLUORIDE ANALYZER ...

Page 2: ...SULFURYL FLUORIDE MANUAL REV C PAGE 2 OF 23 04 07 11 ...

Page 3: ... REVISION DATE BRIEF DESCRIPTION A 08 04 06 Manual format written for new standard Included modified warnings and warranty A 1 08 17 06 Modification of intro page RJS B 11 19 07 Removal of reference to Dow Agro or Vikane C 04 07 11 Update references for setup to 5 ppm calibration ...

Page 4: ...OF CONTENTS INTRODUCTION 5 CAUTIONS 8 OPERATION 9 CALIBRATION 10 MAINTENANCE 11 TROUBLE SHOOTING 12 ACCESSORIES 14 WARRANTY 16 DIAGRAMS SCHEMATICS AND PARTS 17 MAIN CIRCUIT BOARD 18 WIRING DIAGRAM 19 PARTS LIST 20 BATTERY PACK WIRING 22 RETURN AUTHORIZATION 23 ...

Page 5: ...e Failure MTBF is one thousand 1000 hours This is the average lifetime of accumulated runtime hours before the furnace will fail due to the extreme operating heat Note The furnace life is further dependent on the exposure duration and level of the the Sulfuryl Fluoride SO2F2 gas Exposure to levels in excess of 50 ppm of Sulfuryl Fluoride SO2F2 gas can lead to greatly reduced life or instantaneous ...

Page 6: ...o on the meter at beginning of analysis to compensate for sensor background current 5 CAL Sets meter to read correct engineering units when exposed to calibration gas of certified value 6 ON L E D illuminates when power is turned on by function switch 7 FUNCTION SWITCH selects operation and meter display ON analyzer is powered and meter displays engineering units BAT TEST analyzer is powered and m...

Page 7: ...ion is performed to properly seal the connection Teflon tubing O D x 1 8 I D is recommended for use Length should not exceed twelve 12 inches when used with factory calibration Lengths of twelve 12 to forty eight 48 inches can be used only if calibrated with chosen length attached during process NOTE Longer lengths than twelve 12 inches can increase response time ...

Page 8: ...until instrument has cooled for one 1 hour 2 DO NOT attempt to use in areas where gasoline sulfur compounds or highly flammable vapors are present The presence of any of these could produce an EXPLOSION 3 Areas which operate mobile phones CB s etc may cause electronic interference This is evidenced by random or erratic meter deflection ...

Page 9: ...EADY light is ON If the meter is moving up or down wait until it stops Then adjust the meter to ZERO An alternative is to turn the unit ON in the shop first thing in the morning for 20 or 30 minutes In this case no meter adjustment is necessary 4 The unit is now ready to use 5 When using the battery pack the LO BAT indicator will light when there is approximately 10 minutes operating time left Aft...

Page 10: ...and sufficiently warmed up with the READY light illuminated zero the analyzer with the ZERO control Fill a sample bag with Sulfuryl Fluoride standard and connect it to the inlet allowing the gas to flow for at least 3 minutes DO NOT ATTEMPT TO INTRODUCE THE VIKANE STANDARD DIRECTLY FROM A PRESSURIZED SOURCE A SAMPLE BAG MUST BE USED Do not introduce concentrations higher than 50 ppm The CAL contro...

Page 11: ...ket Drill and tap two new 6 32 holes inch from old toward door side if only two holes are present in the clear block This allows for newer furnaces which may be longer or shorter than original equipment First test fit new furnace Move slotted mounting bracket screws to a position that does not distort the furnace fittings Failure to check this may damage furnace Do not twist furnace fittings as th...

Page 12: ...uld be less than 5 ohms If the furnace is good re connect the power source and turn the analyzer on With a DVM check the voltage at the Q4 regulator output It should read 16 45V or greater to allow proper warm up time of 6 to 9 minutes Adjustments are performed by turning the potentiometer screw of R12 If regulator output is normal check for the same voltage at Q5 base and for 24V at the collector...

Page 13: ...sor inlet fitting is not blocked Check that banana plug is connected to the sensor and the clamp is tight Check for 550 mV 15 mV on sensor clamp or blue wire to the sensor Check that the meter responds to ZERO control Connect a rotameter to the inlet and open the valve completely Check for approximately 50 100 cc min flow Meter off scale No response to ZERO control Disconnect sensor banana plug an...

Page 14: ...SULFURYL FLUORIDE MANUAL REV C PAGE 14 OF 23 04 07 11 ACCESSORIES Figure 1 GFPS1297 AC POWER SUPPLY Figure 2 VKBP 24 VDC BATTERY PACK ...

Page 15: ...SULFURYL FLUORIDE MANUAL REV C PAGE 15 OF 23 04 07 11 Figure 3 BC1 24V PATTERY PACK CHARGER ...

Page 16: ...RSCAN CORPORATION s sole obligation under this warranty is limited to repairing or replacing at its option any item covered under this warranty when such item is returned intact prepaid to the factory or designated service center This warranty does not apply to any of our products which have been repaired or altered by unauthorized persons or which have been subject to misuse negligence or acciden...

Page 17: ...SULFURYL FLUORIDE MANUAL REV C PAGE 17 OF 23 04 07 11 DIAGRAMS SCHEMATICS PARTS ...

Page 18: ...SULFURYL FLUORIDE MANUAL REV C PAGE 18 OF 23 04 07 11 ...

Page 19: ...SULFURYL FLUORIDE MANUAL REV C PAGE 19 OF 23 04 07 11 ...

Page 20: ... 1001F R21 1273F R9 2552F R22 10MΩ Ω Ω Ω R10 47Ω Ω Ω Ω 1W R23 7501F R11 56Ω Ω Ω Ω R24 100Ω Ω Ω Ω R12 4021F R25 1 2KΩ Ω Ω Ω R13 100KΩ Ω Ω Ω R26 4991F RESISTORS VARIABLE R12 50kΩ Ω Ω Ω 3262X 1 503 BOURNS R27 20KΩ Ω Ω Ω 3262X 1 203 BOURNS R28 10KΩ Ω Ω Ω 3250w 1 103 BOURNS R29 50KΩ Ω Ω Ω 3590S 2 503 BOURNS CAPACITORS C1 47µ µ µ µF TANTALUM 6VDC C2 C3 C6 10µ µ µ µF TANTALUM 25VDC C4 6 8µ µ µ µF TANATAL...

Page 21: ...VARIABLE VOLTAGE REGULATOR LM317T MISCELLANEOUS BEZEL LED 3 816 1 CIRCUIT BOARD ISSC 2013 2 REV C F1 AGC5 BUSS MAIN FUSE F2 AGC4 BUSS FURNACE FUSE FAN DB131L FURNACE GFF1901 INTERSCAN FITTING INLET 4BU OR 4BU 316 GYRO FITTING SENSOR INLET TE2023 THOGUS FITTING SENSOR OUTLET 40 4 2 JACO METER 1mA 2025 HOYT PUMP 10109 GILIAN Q5 INSULATOR 4651 Q5 HEAT SINK 5029B 3 AAVID Q5 TARNSISTOR 2N3055 RESISTOR ...

Page 22: ...SULFURYL FLUORIDE MANUAL REV C PAGE 22 OF 23 04 07 11 ...

Page 23: ... Department may ask for return of the circuit board only The user is advised to consult the TROUBLESHOOTING section of the manual prior to contacting the factory Instructions are simple and no electronic repair background is necessary This will avoid erroneous conclusions by the user as to the problem before contacting the factory Should return of the instrument or part be advised by the Service D...