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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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3

 

 

 

Safety Instructions 

 

START BY READING THESE IMPORTANT SAFETY INSTRUCTIONS AND NOTES 

collected here 

for your convenience and repeated with additional information at appropriate points in these instructions 

 

 

 

 

 

 

 

In these instructions the word 

“product”

 refers to the 

MP4AR

 and all of its approved parts and 

accessories. 

 

            NOTE: These instructions do not and cannot provide for every contingency that may arise in   

           connection with the installation, operation, or maintenance of this product. Should you require 

           further assistance, please contact Televac at the address on the title page of this manual. 

 

 

This product has been designed and tested to offer reasonably safe service provided in it’s 

installed, operated and serviced in strict accordance with these safety instructions. 

 

 

 

 

 

 

 

 

These safety precautions must be observed during all phases of operation, installation, and service of this 

product.  Failure  to  comply  with  these  precautions  or  with  specific  warnings  elsewhere  in  this  manual 

violates safety 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 the operating instructions. 

  

FOLLOW instructions

 – 

Follow all operating and maintenance instructions. 

  

ACCESORIES

 – Do not use accessories not recommended in this manual as they may require  

    a  technician to restore the product to its normal operation.

 

 

 

 

 

 

 

 

                              

These safety alert symbols in this manual or on the Product rear panel mean  

cautions - personal safety, property damage or danger from electrical shock. 

Read these instructions carefully.

 

                               

                                  

                                 

   

 

 

 

 

 

              Failure to comply with these instructions may result in serious personal injury, including  

              death, or property damage. 

 

 

                               

                                  

                                 

   

 

 

 

 

 

             The service and repair information in this manual is for the use of Qualified Service  

             Personnel. To avoid shock, do not perform any procedures in this manual or perform any  

             

Servicing on this product unless you are qualified to do so. 

                                  

                                 

   

 

 

 

 

 

              

              To reduce risk of fire or electric shock, do not expose this product to rain or moisture.

 

                                 

   

 

 

 

 

 

CHAPTER 2

                                      

TELEVAC

 

Содержание MP4AR Series

Страница 1: ...INSTRUCTION MANUAL MP4AR Remote Convection Gauge Range 1 x 10 3 Torr to 1 x 10 3 Torr TELEVAC A DIVISION OF THE FREDERICKS COMPANY 2400 PHILMONT AVE HUNTINGDONVALLEY PA 19006 ...

Страница 2: ...TEM DESCRIPTION 1 1 4AR Remote Convection 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 8 15 ...

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

Страница 4: ...LC chart recorder or data acquisition system The MP4AR series of instruments use the time proven reliable and rugged TELEVAC 4A 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 MP4AR Remote Gauge can be used as a small stand alone vacuum measurement solution Features Wid...

Страница 5: ...y 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 the...

Страница 6: ...ate measurements Sensors are available in stainless steel or nickel plated brass and can withstand 150 psi overpressure 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 of any kind onto the products Do not substitute pa...

Страница 7: ...rrespond to values given in chapter 5 depending upon chosen output As the pressure drops below 1 Torr the red MICRONS LED lights and the displayed readings now drop from 990 down to zero while the linear output voltage drops correspondingly from 9 90 Volts to zero 7 0 The trip pressure for the setpoint relay can be displayed by pressing the setpoint display button on the front panel of the instrum...

Страница 8: ... Relay normally closed contact 3 24 volt power 4 Power common 5 Log Linear signal output 6 Relay common contact 7 Non linear signal output 8 Signal return 9 Setpoint output CHAPTER 4 cont TELEVAC Setpoint Display Potentiometer Setpoint Adjust Potentiometer LED display Zero Adjustment Potentiometer Pin s LED lights for microns Phillips Head screw Atmosphere Adjustment Potentiometer SET POINT RELAY ...

Страница 9: ...on linear Voltage Logarithmic 1 x 10 3 01 0 5 x 10 3 06 70 2 x 10 2 24 1 3 4 x 10 2 45 1 6 6 x 10 2 64 1 78 8 x 10 2 82 1 9 1 98 2 2 1 67 2 3 5 2 99 2 7 8 3 84 2 9 2 5 45 3 3 10 7 32 4 30 7 84 4 48 50 7 93 4 7 80 8 01 4 9 120 8 08 5 08 160 8 19 5 2 180 8 24 5 26 300 8 76 5 48 500 9 57 5 7 760 10 5 88 1000 10 22 6 LINEAR Pressure microns Voltage 1 01 5 05 10 1 20 2 30 3 40 4 50 5 60 6 70 7 80 8 90 ...

Страница 10: ...hould be required unless it has been changed For a reliable recalibration at a later date it is necessary to have a reference standard vacuum system whose pressure is known to be accurate For such a calibration the instrument sensor tube and cable should be returned to the factory for re certification However if the vacuum calibration verification must be done at the customer s facility a knowledg...

Страница 11: ... Power 24VDC 100mA customer supplied Materials Stainless steel or nickel plated brass Set point Relay Form C contact Overpressure 24 v 5 a rating Indicator lamp provided 150 psi Accuracy Adjustment Potentiometers 1 micron 0 to 10 microns Zero Atmosphere Setpoint 10 of reading 10 microns to 10 Torr Response Time for a Pressure 20 of reading 10 Torr to 100 Torr Change from 10 5 Torr to Atmosphere 10...

Страница 12: ...phone 215 947 2500 fax 215 947 7464 e mail sales televac com web site www televac com 8 15 10 Dimensions CHAPTER 10 TELEVAC ...

Страница 13: ...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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