CPC manual.qxd
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1. Reference Manual Compact Pressure Calibrator AMETEK JOFRACPC Copyright 2005 AMETEK Denmark A S temperature pressure signal software AMETEK CALIBRATION INSTRUMENTS 1 Introduction The AMETEK JOFRA CPC is designed to verify and calibrate pressure gauges transducers pressure switches safety valves P I transmitters perform pressure switch tests and measure current and pressure Current and pressure measurements are simultaneously displayed on the calibrator The calibrator can measure vacuum and pressure up to 10 psi 0 7 bar 30 psi 2 bar or 200 psi 15 bar depending on sensor type and current up to 24mA 1 1 Contacting Ametek US Canada Latin America AMETEK TCI at 1 800 527 9999 Europe Africa Middle East AMETEK Denmark A S at 45 4816 8000 Asia AMETEK Singapore Pte Ltd at 65 64 842 388 1 2 Standard Equipment Inspect the unit carefully upon receipt Save packing carton in case re shipment is necessary If there appears to be any damage equipment missing or if there are any questions about the unit contact AMETEK Check to see if your calibrator is complete It should include e CPC Calibrator e Instruction Manual e Test Leads e Carrying Case 1 3 Safety information Symbols Used The following table lists the Intemational Electrical Symbols Some or all of these symbols may be used on the instrument or in this manual Symbol Description N AC Alternating Current av AC D2. Volt alkaline battery 7 2 Cleaning the Unit A Warning To avoid personal injury or damage to the calibrator use only the specified replacement parts and do not allow water into the case A Caution To avoid damaging the plastic lens and case do not use solvents or abrasive cleansers Clean the calibrator with a soft cloth dampened with water or water and mild soap di 12 7 3 Service Center Calibration or Repair Only qualified service personnel should perform calibration repairs or servicing not covered in this manual Ifthe calibrator fails check the batteries first and replace them if needed Verify that the calibrator is being operated as explained in this manual If the calibrator is faulty send a description of the failure with the calibrator Be sure to pack the calibrator securely using the original shipping container if it iS available 7 4 Replacement Parts amp Accessories Order Number SPK CPC 001 SPK HHC 002 124109 124110 104203 65R191 65R192 60R191 SPK HPC 001 SPK HPC 002 60R178 60R166 601104 123958 124004 T 786 T 730 T 740 T 750 T 910 T 746 T 747 75P012 Description Operating Manual Soft carrying case System A carrying case System B carrying case Test Lead Set BSP Fittings and Tape 1 4 BSP Male x 1 8 3 8 and 1 2 BSP Female NPT Fittings and Tape 1 4 BSP Male x 1 8 3 8 and 1 2 NPT Female Set of Seals for 65R191 or 65R192 Fitting Kits System Quic
3. does not matter This set up is shown in Figure 3 Make sure the vent on the pump is open and zero the calibrator if necessary Close the vent after zeroing the calibrator Press the SWITCH TEST key to enter pressure switch test mode The calibrator will display CLOSE instead of amA measurement 4 Apply pressure with the pump slowly until the switch opens Important Note In the switch test mode the display update rate is increased to help capture changing pressure inputs Even with this N w enhanced sample rate pressurizing the device under test should be done slowly to ensure accurate readings 5 Once the switch is open OPEN will be displayed bleed the pump slowly until the pressure switch closes RECALL will appear on the display 6 Press the SWITCH TEST key to read the pressure values for when the switch opened for when it closed and for the dead band 7 Hold the SWITCH TEST key to clear the data and perform another test 8 Press the mA key to cancel the test Important NOTE The above example uses a normally closed switch The basic procedure is still the same for a normally open switch the display will just read OPEN instead of CLOSE a 0 000 0 000 Figure 3 6 Specifications Table 1 Pressure Pressure range in bar Vacuum to 0 7 2 or 15bar P
4. leads from the calibrator before you open the battery door Inspect the test leads for damaged insulation or exposed metal Check test leads continuity Replace damaged test leads before you use the calibrator When using the probes keep your fingers away from the probe contacts Keep your fingers behind the finger guards on the probes Connect the common test lead before you connect the live test lead When you disconnect test leads disconnect the live test lead first Do not use the calibrator if it operates abnormally Protection may be impaired When in doubt have the calibrator serviced Do not operate the calibrator around explosive gas vapor or dust When using a pressure module make sure the process pressure line is shut off and depressurized before you connect it or disconnect it from the CPC or pressure module Disconnect test leads before changing to another measure or source function When servicing the calibrator use only specified replacement parts To avoid false readings which could lead to possible electric shock or personal injury replace the battery as soon as the battery indicator appears To avoid personal injury or damage to the calibrator use only the specified replacement parts and do not allow water into the case A Caution To avoid possible damage to calibrator or to equipment under test e Disconnect the power and discharge all high voltage capacitors before testing resistance or continuit
5. C Battery MO M CE Complies with European Union Directives DC Double Insulated Electric Shock Fuse PE Ground Hot Surface Burn Hazard Read the User s Manual Important Information Off On Canadian Standards Association This calibrator must be recycled or disposed of properly 2002 95 EC xe Oo gt PbPeI gt H The following definitions apply to the terms Warning and Caution e Warning identifies conditions and actions that may pose hazards to the user e Caution identifies conditions and actions that may damage the instrument being used Use the calibrator only as specified in this manual otherwise injury and damage to the calibrator may occur A Warning To avoid possible electric shock or personal injury Do not apply more than the rated voltage See specifications for supported ranges e Pressure switches must not be connected to any other voltage source during a test Follow all equipment safety procedures e Never touch the probe to a voltage source when the test leads are plugged into the current terminals e Do not use the calibrator if itis damaged Before you use the calibrator inspect the case Look for cracks or missing plastic Pay particular attention to the insulation surrounding the connectors Select the proper function and range for your measurement Make sure the battery cover is closed and latched before you operate the calibrator Remove test
6. k Connect Fitting for use with T 910 3 8 BSP Male termination System Quick Connect Fitting for use with T 730 740 1 4 NPT Male termination Fitting 1 8 NPT Male x 1 4 BSP Female Fitting 1 8 NPT Male x 1 4 NPT Female Teflon Tape RS232 Stereo to Serial connection Shoulder strap with snap hooks Adapter 1 4 NPT Male x 1 4 BSP Female For use with AMETEK handpump hoses Pneumatic Handpump 0 to 30 psi 0 to 2 bar Pneumatic Handpump 0 to 300 psi 0 to 21 bar Pneumatic Handpump Vacuum to 0 psi Vacuum to 0 bar Pneumatic Handpump Vacuum to 600 psi Vacuum to 40 bar Service Kit for T 730 and T 740 Handpumps Service Kit for T 750 Handpump Service Kit for T 910 Handpump SPK CPC 001 RevC 6 05 0219104 because calibration is a matter of confidence AMETEK Calibration Instruments offers a complete range of calibration equipment for pressure temperature and signal including software JOFRA Temperature standards Portable precision thermometer Dry block calibrators 4 series more than 20 models featuring speed portability accuracy and advanced documenting functions M amp G Primary pressure standards Pneumatic floating ball or hydraulic piston deadweight testers easy to use with accuracies up to 0 015 of reading JOFRA Pressure standards Convenient electronic systems ranging from 1 to 700 bar 25 inHg to 10 000 psi multiple choices of pressure ranges pumps and accuracies full
7. ressure range in psi Vacuum to 10 30 or 200psi Supported pressure units psi bar mbar kg cm inH O 4 C inH O 20 C inH O 60 C MH 0 4 C mH O 20 C cmH O 4 C cmH O 20 C ftH 0 4 C ftH O 20 C ftH O 60 C inHg 0 C mmHg 0 C kPa Overload maximum 50 F S Overload alarm Activates at 20 F S Connection 1 8in NPT female Positive accuracy 0 05 of F S Vacuum accuracy 0 1 of F S Operating temperature 10 C to 50 C 14 F to 122 F Storage temperature 20 C to 60 C 4 F to 140 F Temperature Compensation for pressure and electrical 0 005 F S C outside 18 to 28 C 0 003 F S F outside 64 to 82 F Table 2 General Specifications LCD Dual information LCD plus icon indicators Display resolution 5 digits Display update Approximately 4 times per second Switch test capture 50 milliseconds mA input Accuracy 0 015 of reading 2uA 0 24mA Switch test Supply max 9V Batteries 1x9V Alkaline Low battery indicator 7V Size 188mm x 84mm x 52mm 7 37in x 3 31in x 2 05in Weight 400g 14 10z All above specifications are specified at 23 C 5 C 74 3 F 9 F unless other wise noted 10 7 Maintenance 7 1 Replacing Batteries Replace batteries as soon as the battery indicator turns on to avoid false measurements Note Use only 9
8. set The currentor mA reading is also stored for the corresponding pressure value To call up the recorded values from memory press the MAX MIN key To clear the memory press and hold the MAX MIN key until CLR is displayed 4 Calibrating a P l Transmitter A Warning e Do not apply more than the rated voltage See specifications for supported ranges e Pressure switches must not be connected to any other voltage source during a test A Caution e Disconnect the power and discharge all high voltage capacitors before testing resistance or continuity To calibrator a pressure to current transmitter perform the following steps 1 Connect the calibrator and the pump to the transmitter as shown in the setup in Figure 2 2 Apply pressure with the pump 3 Measure the current output of the transmitter 4 Ensure the output is correct If not adjust the transmitter as necessary SIGNAL es TEST Figure 2 5 Performing a Pressure Switch Test A Warning e Do not apply more than the rated voltage See specifications for supported ranges To perform a switch test follow these steps 1 Connectthe calibrator to the switch using the pressure switch terminals and connect the pump to the calibrator and the pressure switch The polarity ofthe terminals
9. tion e If the message changes to OL the range limit is exceeded and the pressure source must immediately be removed from the APC to prevent damage to the pressure transducer inside e Maximum torque allowed is 13 5 Nm 10 ftibs NEVER exceed the torque allowed To measure pressure connect the calibrator using an appropriate fitting Choose a pressure unit for measurement with the UNITS key Pressure will be displayed on the large numeric display Use the ZERO key to zero the pressure sensor when vented to atmospheric pressure Important NOTE Itis critical to ensure accuracy of the calibrator to zero the CPC before a device is calibrated To measure current use the mA input terminals on the top of the calibrator Current can be measured in mA or percentage of range The range on the calibrator is set to 0 at 4mA and 100 at 20mA For for example if the current measured is displayed as 75 then the mA value is 16mA 3 1 Media Compatibility The CPC calibrator utilizes a media isolated sensor to prevent sensor contamination Whenever possible clean dry air is the media of choice but if that is not always possible make sure that the media is compatible with the following wetted parts 1 Nickel plated brass 2 Glass 3 RTV silicone 4 BUNA N 3 2 Minimum and Maximum Measurements The calibrator automatically records the maximum and minimum values for pressure that were read by the calibrator since it has been turned on or re
10. y e Use the proper jacks function and range for your measurement or sourcing application e e e e e e e e e e e e e e If the message changes to OL the range limit is exceeded and the pressure source must immediately be removed from the CPC to prevent damage to the pressure transducer inside e Maximum torque allowed is 13 5 Nm 10 ftibs NEVER exceed the torque allowed To avoid damaging the plastic lens and case do not use solvents or abrasive cleansers Clean the calibrator with a soft cloth dampened with water or water and mild soap 2 Calibrator Display and Controls 2 1 Display and Inputs The calibrator display has two numeric displays The large display shows the measured pressure and the small display shows the measured current The measured current may be displayed in mA or in percentage of mA range 4mA 20mA where 0 corresponds to 4mA and 100 to 20mA Pressure units are located on the right side of the display For a listing of all the units supported refer to the table in the Specifications section The calibrator has two sets of input terminals located on top of the unit and a pressure fitting located on the bottom of the unit The input terminals on the right are used for measuring current The terminals on the left are used for pressure switch connection 2 2 Key Functions Figure 1 shows the layout of the calibrator keypad while Table 1 lists the calibrator ke
11. y temperature compensated for problem free and accurate field use JOFRA Signal calibration Process signal measurement and simulation for easy control loop calibration and measurement tasks from handheld field instruments for multi or single signals to laboratory reference level bench top instruments AMETEK is a leading global manufacturer of electrical and electromechanical products for niche markets Listed on the New York Stock Exchange AME since 1930 AMETEK s annual sales exceed 1 billion Operations are in North America Europe and Asia with about one third of sales to markets outside the United States AMETEK www ametekcalibration com www jofra com CALIBRATION INSTRUMENTS AMETEK Test amp Calibration Instruments Florida USA Western Hemisphere Tel 1 727 536 7831 e Tel 1 800 527 9999 calinfo us ametek com AMETEK Denmark A S Denmark Europe and the Middle East Tel 45 4816 8000 ametek ametek dk AMETEK Precision Instruments Europe GmbH Germany Germany only Tel 49 2159 91360 info ametek de Information within this document is AMETEK Singapore Pte Ltd Singapore Asia subject to change without notice Tel 65 6 484 2388 aspl ametek com sg All rights reserved
12. ys and their functions Table 1 Key Functions Key Function 1 Turns the unit on and off 2 Select different pressure units Press and hold while unit is powering up to change the power saver setting Switches the mA numeric display between mA and percentage of range 3 4 Zeroes the pressure sensor 5 Turns on the switch test mode Hold to clear previous test 6 Displays the minimum and maximum pressure and current measured since power up Connection Connection for Pressure i Current t Switch easuremen Minimum Maximum Pressure Pressure Valve Measurement Indicator Low Battery AM 000 Pressure Indicator Units _ 0 000 Current Measurement TAD 4 5 JOFRA CPC Pressure Fitting Figure 1 2 3 Power Saver The calibrator has an adjustable power saver option that allows itto shut down after being dormant for a period of 1 to 30 minutes To set the shutoff time 1 Press and hold the UNITS key while powering up the unit 2 A number from 1 to 30 or OFF will appear on the bottom of the display 3 Use the units key to scroll the numbers up and the MAX MIN key to scroll down 4 Press the ZERO key to set the time 3 Measuring Pressure and Current A Warning Make sure the process pressure line is shut offand depressurized before you connect it or disconnect it from the APC or pressure module Cau
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