TELEVAC MP7ER Instruction Manual Download Page 3

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phone: (215) 947-2500 fax: (215) 947-7464 e-mail: [email protected] web site: www.televac.com

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TABLE OF CONTENTS

CHAPTERS

TITLE

PAGE

01.

DESCRIPTION and INSTRUMENT OPERATION ……………………………………….2

02.

SAFETY …………………………………………………………………………………..3 & 4

03.

PRINCIPLES OF SENSOR OPERATION …………………………………………………4

04.

SENSOR OPERATION AND SENSOR INSTALLATION …..……………………….5 & 6

05.

RECORDER OUTPUTS ……………………………………………………………………..7

06.

MAINTENANCE ………………………………………………………………………….8 & 9

07.

CALIBRATION ……………………………………………………………………………… .9

08.

TROUBLESHOOTING …………………………………………………………………….…9

09.

SPECIFICATIONS …………………………………………………………………………..10

10.

DIMENSIONS ………………………………………………………………………………..11

11.

UNPACKING AND INSPECTION ………………………………………………………….12

12.

WARRANTY INFORMATION ………………………………………………………………12

PLEASE READ THIS MANUAL THOROUGHLY BEFORE USING GAUGE. REPORT ANY

PROBLEMS IMMEDIATELY.

Summary of Contents for MP7ER

Page 1: ...etron Cold Cathode Gauge Range 7ER 10 8 to 10 2 Torr 7FR 10 11 to 10 2 Torr TELEVAC A DIVISION OF THE FREDERICKS COMPANY 2400 PHILMONT AVE HUNTINGDON VALLEY PA 19006 phone 215 947 2500 fax 215 947 7464 e mail sales televac com web site www televac com 9 11 ...

Page 2: ... DESCRIPTION 1 1 7ER FR Remote Cold Cathode Electronics 2 1 Cable specified at ordering 3 1 Instruction Manual 4 1 Sensor 1 2 4 3 phone 215 947 2500 fax 215 947 7464 e mail sales televac com web site www televac com 9 11 ...

Page 3: ...ATION 2 02 SAFETY 3 4 03 PRINCIPLES OF SENSOR OPERATION 4 04 SENSOR OPERATION AND SENSOR INSTALLATION 5 6 05 RECORDER OUTPUTS 7 06 MAINTENANCE 8 9 07 CALIBRATION 9 08 TROUBLESHOOTING 9 09 SPECIFICATIONS 10 10 DIMENSIONS 11 11 UNPACKING AND INSPECTION 12 12 WARRANTY INFORMATION 12 PLEASE READ THIS MANUAL THOROUGHLY BEFORE USING GAUGE REPORT ANY PROBLEMS IMMEDIATELY ...

Page 4: ...data acquisition system The MP7ER FR series of instruments use the time proven reliable and rugged TELEVAC 7ER FR Sensor which can be changed in seconds These instruments operate from low voltage DC and are easily integrated into the largest process system with a minimal effort Likewise the MP7ER FR Remote Gauge can be used as a small stand alone vacuum measurement solution Features Wide range 10 ...

Page 5: ...ty standards of design manufacture and intended use of the instrument Televac disclaims all liability for the customer s failure to comply with these requirements READ Instructions Read all safety and operating instructions before operating the product RETAIN instructions Retain the Safety and Operating Instructions for future reference HEED warnings Adhere to all warnings on the product and in th...

Page 6: ...type Because of the relative ruggedness of this gauge and since it has no filament to burn out it is often used in applications where hot cathode gauges are not reliable Objects and Liquid Entry Never push objects of any kind into this product through openings as they may touch dangerous voltage points or short out parts that could result in a fire or electric shock Be careful not to spill liquid ...

Page 7: ...elay in providing an accurate reading of pressure until the electrical discharge within the tube has established itself This initial delay increases significantly at even lower pressures Once established the discharge within the tube is maintained over the entire range A very rough estimate of start time can be calculated as T sec 1 pressure in µTorr 5 0 While the pressure is above the range of th...

Page 8: ... SENSOR OPERATION AND INSTALLATION cont PIN PIN OUTS 1 On Off Active Low 2 PS Ground 3 Analog signal Out Log Lin 4 24 Volts Power 5 Relay Normally Closed 6 Relay Normally Open 7 SIG Ground 8 Relay Common 9 Setpoint output CHAPTER 4 cont TELEVAC Display Setpoint Adjust Setpoint LED display Pin s Setpoint Relay on LED ...

Page 9: ... 0 E 0 6 1 0 0 E 0 5 1 0 0 E 0 4 1 0 0 E 0 3 1 0 0 E 0 2 P R E S S U R E T O R R V O L T A G E Recorder Outputs Pressure TORR LOG 7FR 10 11 VOLTAGE LOG 7ER or 7FR 10 10 VOLTAGE LINEAR 7ER VOLTAGE LO 0 1 0 1 1 00E 11 0 0 1 0 1 1 00E 10 1 0 0 1 1 00E 09 2 1 0 1 1 00E 08 3 2 0 1 1 00E 07 4 3 0 1 00E 06 5 4 0 01 1 00E 05 6 5 0 1 1 00E 04 7 6 1 1 00E 03 8 7 10 1 00E 02 9 8 10 2 HI 9 2 10 2 CHAPTER 5 TE...

Page 10: ...mbly upwards to separate if from the body 2 3 Remove the O ring from the body being careful not to scratch the O ring seat Wipe it off with a lint free tissue making sure that it is still intact no cracks or tears It should be round and not flattened 2 4 Blast the entire anode assembly and body at 30 psi using 70 140 mesh glass bead abrasive Scotch Brite or polishing cloth also can be effective 2 ...

Page 11: ... original respective locations and like pole surfaces facing each other N to N S to S 3 7 Put the electronic block onto the sensor and secure it with flat socket screw Calibration All instrumentation is calibrated at the factory No further calibration at the customer s facility should be required even if the gauge tube is replaced For a reliable recalibration at a later date it is necessary to hav...

Page 12: ... MP7FR 10 2 TO 10 11 TORR 3 Log 2 X 10 11 to 10 2 Torr Accuracy Mounting Orientation 0 2 of decade of reading None Input Voltage Power Ion Control Required 24 V DC 250 mA Ion ON OFF Control is included Power ON Indicator LED is included Setpoint Relay Adjustment Potentiometer Form C Contact Setpoint Operating Temperature Calibration Medium 15 to 50C Dry Air or Nitrogen Sensor Material Overpressure...

Page 13: ...phone 215 947 2500 fax 215 947 7464 e mail sales televac com web site www televac com 9 11 11 Dimensions CHAPTER 10 TELEVAC ...

Page 14: ...authorized to give any guarantee or warranty or make any representation in addition or contrary to those stated herein Other than those expressly stated herein there are no other warranties of any kind express or implied and specially excluded but not by way of limitation are the implied warranties of fitness for a particular purpose and merchantability It is understood and agreed the seller s lia...

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