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Ulvac GP-1GRY, Instruction Manual, Page: 1 / 44

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Ulvac GP-1GRY Instruction Manual Download Page 1

No. 

SK00-7401-EI-004-06 

 

 
 
 

MODEL GP-1GRY 

 

( Pa/Torr ) 

 

PIRANI VACUUM GAUGE 

 

INSTRUCTION MANUAL 

 

 

 

This manual is for the following gauges. 

Serial Nos. T0001G and higher 

 
 

Read this manual before operation and keep it at your 
hand for immediate reference. 

 

 

ULVAC , Inc.

 

Summary of Contents for GP-1GRY

Page 1: ...MODEL GP 1GRY Pa Torr PIRANI VACUUM GAUGE INSTRUCTION MANUAL This manual is for the following gauges Serial Nos T0001G and higher Read this manual before operation and keep it at your hand for immedia...

Page 2: ......

Page 3: ...fety symbols are used throughout this instruction manual to call the operator s attention to safety The terminology used in safety symbols is classified below Indicate status of urgency of danger when...

Page 4: ...FF the power before replacing a fuse Replacing a fuse with the power turned ON can cause electric shock Turn OFF power Whenever mounting the gauge unplug the power cable Before operating the gauge mak...

Page 5: ...Disposal When discarding the vacuum gauge comply with your local regulations If the gauge was used in an environment that can cause hazards to human body have it disposed of by an authorized speciali...

Page 6: ...ouching any terminal on the rear of the meter or if there is a possibility of touching it turn OFF the vacuum gauge power and the power applied to the setpoint output terminal Contact with the termina...

Page 7: ...am 2 2 5 Change installation method to GP H Nov 7 2013 04 Change Safety symbol mark 1 2 Standard Accessories added 1 3 Add Measuring unit to Option 6 Change WARRANTY 7 Add CERTIFICATE OF DECONTAMINATI...

Page 8: ...reliminary Operation 7 2 2 Installation 7 2 2 1 Installing the controller 7 2 2 2 Installing the meter 7 2 2 3 Installing the sensor head 8 2 2 4 Electrical connection 8 2 2 5 A sensor head installati...

Page 9: ...t capacity Max AC125V 1A AC250V 0 5A DC30V 2A Min DC10 V 10 A Outside dimensions mm Controller 90W 140D 100H A type meter 100W 111D 100H Weight Controller 1000g A type meter 440g Measuring unit 35g GP...

Page 10: ...f sensor head that are indicated on the measuring unit 1 3 3 Sensor head cable Sensor head cable 2 5 10 15 20 30 50 100m Weight kg 0 2 0 4 0 7 1 0 1 3 1 9 3 9 7 7 1 3 4 Others Test results certificate...

Page 11: ...OVERVIEW 3 1 4 Description of Components Fig 1 Front panel of controller Meter connector Connect this connector to the meter incorporated in the controller...

Page 12: ...d or if you want to change it use this ADJ potentiometer Adjustable range 0 to 20 mV with meter full scale Recorder output terminal Red terminal Black terminal Analog signal is outputted between two t...

Page 13: ...er Pressure indicator Indicates pressure by needles Relay potentiometer Sets the meter relay L Relay potentiometer Sets the meter relay H Zero adjustment Adjust the meter needle to the zero position e...

Page 14: ...output terminal Outputs setpoint H The recorder output is afloat from ground potential Always connect the recorder input to the recorder terminal by insulating it from ground If it is connected to GN...

Page 15: ...turn OFF the power to the vacuum gauge Contact with the terminal to which the voltage 24 VDC is applied will cause electric shock if power is turned ON Ventilation Do not plug the air vents of the vac...

Page 16: ...reful that the ambient temperature deviates considerably from the calibrating temperature about 25 C 2 Installing the sensor head Install the gauge in such a manner that the sensor head mounting openi...

Page 17: ...Controller Sensor head cable 2 100m The sensor head cable is a connector same as the control side measuring unit side Measuring unit GP H WP 01 02 03 16 Measuring unit GP BH WP 04 05 WPB 10 Conversion...

Page 18: ...ttached to GP H to a sensor head By the kind of the sensor head installation methods are different For sensor head WP 01 02 For sensor head WP 03 16 It is inserted a screw for fixation by the vent sid...

Page 19: ...active gas or highly adsorptive gas its characteristics may change In such a case fill the chamber with nitrogen or inert gas with the sensor head energized with power and then evacuate it Repeat this...

Page 20: ...ctive Between 5 and 100 of the full scale with the higher limit setting H red needle Between 0 and 95 of the full scale with the lower limit setting L green needle Meter relay cannot be set out of the...

Page 21: ...o GND potential by mistake the meter will not indicate the correct value Also the vacuum gauge may be damaged Pa mV Torr mV 0 4 2 5 10 20 40 60 80 100 200 400 600 800 1000 2000 0 15 0 35 0 65 1 10 1 7...

Page 22: ...OPERATING PROCEDURE 14 Fig 6 Pressure vs recorder output curve...

Page 23: ...wer Before touching any terminal on the rear of the meter or if there is a possibility of touching it turn OFF the vacuum gauge power and the power applied to the setpoint output terminal Contact with...

Page 24: ...is contaminated or its filament has worn out 1 Replace the sensor head Leak in the sensor head or a leak in the place where the sensor head is installed 1 If there is a leak in the sensor head replac...

Page 25: ...after the pressure decreases Possible cause Corrective action The gauge has been exposed to high temperature and high humidity above the specification for long time 1 Use the gauge at condition as li...

Page 26: ...equation A is a coefficient referred to as free molecule thermal conductivity m3 K 1 and its value varies with the type of gas is a coefficient that corrects the imperfectness of exchange of amount of...

Page 27: ...pendent on C and is in inverse proportion to MT In a high pressure region the number of molecules that carry heat energy increases while the free path of molecule becomes short so that the amount of t...

Page 28: ...1E 1 1 0E 2 2 0E 2 5 0E 2 1 0E 3 1 1 2 5 6 7 1 3E 1 2 9E 1 8 5E 1 1 9E 2 3 7E 2 1 3E 3 8 0E 3 5 3E 1 1 0 1 8 4 3 8 0 1 7E 1 5 1E 1 1 1E 2 2 3E 2 8 5E 2 8 0E 3 5 9E 1 1 2 2 3 5 3 1 1E 1 2 1E 1 5 2E 1 1...

Page 29: ...hat an error of 3 of the linear scale is involved when the meter S range scale is replaced by a linear scale of 100 full scale To express the error range at a reference pressure of 40 Pa 0 4Torr by pr...

Page 30: ...DIX 22 1 10 100 1000 1 10 100 1000 Indicated Values Pa 3 3 0 4 Working Standard Pa 0 01 0 1 1 10 0 01 0 1 1 10 3 3 Working Standard Torr 0 003 Indicated Values Torr Fig 9 Indication Values Working Sta...

Page 31: ...the Pirani gauge is a molecular density measuring vacuum gauge the indication of the gauge varies with the type of gas difference in thermal conductivity The Model GP 1G RY has been adjusted with nit...

Page 32: ...the local ULVAC representatives for repair Return charge shall be paid by Buyer Disclaimer 1 Failure occurred after expiration of warranty period 2 Failure caused by force majeure such as fire storm a...

Page 33: ...CERTIFICATE OF DECONTAMINATION 25 7 CERTIFICATE OF DECONTAMINATION...

Page 34: ...aking format for names and contents of hazardous substances or elements Name of parts Hazardous substances or elements Pb Hg Cd Cr6 PBB PBDE Printed Circuit Board Chassis Connector AC DC Converter Lab...

Page 35: ...E CABLE LENGTH BETWEEN CONTOROLLER AND METER ABOUT 1m SENSOR HEAD CABLE 2 100m A TYPE C TYPE CONTOROLLER CONVERSION CABLE WP04 05 2m MEASURING UNIT GP BH MEASURING UNIT GP BH CONVERSION CABLE WPB 10 2...

Page 36: ...RELATED DRAWINGS 28 Fig 11 Dimensional drawing for controller...

Page 37: ...RELATED DRAWINGS 29 Panel cut dimensional Fig 12 Dimensional drawing for A type meter...

Page 38: ...RELATED DRAWINGS 30 Panel cut dimensional Use until 0 8 Fig 13 Dimensional drawing for B type meter...

Page 39: ...RELATED DRAWINGS 31 Panel cut dimensional Fig 14 Dimensional drawing for C type meter...

Page 40: ...RELATED DRAWINGS 32 Fig 15 Dimensional drawing for measuring unit GP H...

Page 41: ...RELATED DRAWINGS 33 Fig 16 Dimensional drawing for measuring unit GP BH...

Page 42: ...34 Pin No Label Mater terminal 1 2 3 DC24V U 4 0V U 5 6 7 Fig 17 Mater cable GP 1GRY connection diagram 2 5 10 15 20 30 50 100m Pin No Use 1 5V 2 15V 3 V 4 V 5 AG Cover FG Fig 18 Sensor head cable co...

Page 43: ...t material Case material Compatible cable WP 01 18 Pt 25 BS Ni plating Socket type WP 02 15 18 Pt 25 BS Ni plating Socket type WP 03 3 8 Pt 25 BS Ni plating Socket type WP 16 NW 16 30 Pt 25 BS Ni plat...

Page 44: ...RELATED DRAWINGS 36 Fig 20 Sensor head filament connection diagram...

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