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1. signal Yy mAcal mA calibrator Sources and measures current Allows for calibration of transmitters in a two wire loop Stable source Internal 24 VDC supply for consistent loop power High resolution Read to 0 001 mA in the measurement mode of full scale reading Displays a percentage to provide for easy analysis of results Fixed step function Allows you to easily calibrate linear or flow transmitters and valve positioners Manual or automatic stepping func tion You can choose to use either method and have 10 to 30 seconds between steps Timesaving features Fast one key one function access to the features such as the step function or loop supply power Large display Includes large numbers for unit reading a percentage display and dedicated icons for calibrator status including a low battery indicator Traceable calibration For your confidence the unit is supplied with a calibration certificate that is fully traceable to a national standards lab such as NIST or NPL ISO 9001 Manufacturer Specification Sheet SS CP 2320 US JOF RA mAcal milliAmp calibrator Compact loop calibrator ideal for field use The mAcal Milliamp Calibrator is an economical and easy to use calibration device for sourcing and measuring mA signals The instrument is designed specifically for 2 wire transmitter loops with 4 to 20 mA signals and it is delivered with traceable certification PRODUCT DESCRIPTION2. The convenient internal arrangement offers you the space to store test leads FUNCTIONAL SPECIFICATIONS Current source Specification Sheet SS CP 2320 US PHYSICAL SPECIFICATIONS Instrument weight incl batteries leads and case RANGO ecse a E O to 24 mA Weight ccceccececseceeseceesecsessesecstsersesseseveesetseeeteeees 0 8 Ibs 355g FAG S ON ITOMME saceateteeccteas or saecceeecnnetoeeees ceeaneesatentee ease 0 01 mA Accuracy K 2 consciciscrassetnsatitncxscasntensseusunsenstas 0 05 of F S Instrument dimensions incl batteries leads and case Maximum load coosenennenneeseecenseneatenteacenseneeteateatensentastese 900 ohm tern ee ca 6 85x26x1 0in 174x 66x 26mm Temperature coefficient 0 005 per C 10 to 40 C ee ee 0 003 per F 14 to 104 F Miscellaneous Current measurement Operating ambient temperature 14 to 104 F 10 to 40 C R 0 to 24 mA Storage ambient temperature 4 to 122 F 20 to 50 C Bel ee siseige ap E T AE EE EE S TS e iA CE Conformity 89 336 EEC EN50081 1 EN50081 2 Accuracy 2 icceeniavnsiniecestseacecanssienevacnsneeaatavances 0 05 of F S pope a Ae las ce Velo U dilaals cle ls g canine een eee eee een eer eee ee 10 ohm Temperature coefficient 0 003 per C 10 to 40 C OTHER SPECIFICATIONS EEE E ince E P E E 0 002 per F 14 to 104 F Power supply Voltage measurement 120 VDC Mains Adapters
3. 1489 486 404 e jofra ametek co uk www ametekcalibration com www jofra com
4. The JOFRA mAcal keypad is easy to use and provides positive tactile feedback to the user Each key is labeled for easy operation A large high contrast 5 digit LCD display indicates numeric values in mA V or sec The resolution is 0 001 mA in measurement mode The user can change the display to read in of Full Scale and flow readings are shown in of Flow The display also indicates error codes Visual warnings are displayed for loop mismatch reverse polarity and over range Plus the unit is equipped with a user adjustable automatic shut off feature that prevents accidental battery discharge when the unit is not in use A built in permanent fuse eliminates the need to replace the fuse in the case of overloads no need to return the unit to the factory to reset or replace the fuse The mAcal Loop Calibrator provides loop power in the range of 0 to 45 VDC and the instrument is designed to generate a stable 24 VDC supply for the loop The mAcal Loop Calibrator also reduces the time and complexity often associated with loop calibration The instrument features special fixed steps for performing linear and flow transmitter or valve positioner calibrations The instrument has seven different built in current values and the user may choose between manual or automatic steps with 10 or 30 seconds between steps You can perform an entire test by placing the mAcal in the process loop and take readings from the control room AMETEK CALIBRATI
5. calibration and measurement tasks from handheld field instruments for multi or single signals to laboratory reference level bench top instruments JOFRA JF Marine Instruments A complete range of calibration equipment for temperature pressure and signal approved for marine use FP temperature sensors A complete range of temperature sensors for industrial and marine use Decause calibration is a matter of confidence AMETE K AMETEK Calibration Instruments is one of the world s leading manufacturers and developers of calibration instruments for temperature pressure and process signals as well as for temperature sensors both from a CALIBRATION INSTRUMENTS commercial and a technological point of view Headquarter Sales offices AMETEK Denmark A S AMETEK T amp Cl Americas Sales The Americas Sales Europe and the Middle East Tel 1 518 689 0222 e jofra info ametek com Gydevang 32 34 3450 Aller d Denmark AMETEK Singapore Pte Ltd Sales Asia Tel 45 4816 8000 ametek ametek dk Tel 65 6 484 2388 aspl ametek com sg AMETEK Inc Beijing Rep Office Sales China only Tel 86 10 8526 2111 jofra ametek com cn AMETEK GmbH Sales Germany only Information within this document is subject to change without notice Tel 49 2159 91360 info ametek de 2005 by AMETEK Inc www ametek com All rights reserved AMETEK Lloyd Instruments Sales UK only Pub code SS CP 2320 US Issue 0605 Tel 44 0
6. 103964 6 VDC 240 mA US AGU C 45V to 45 VDC Japan 1 3mm DC female connector Resolution sasessesesessrersenenerenrnnnrnrrrrnrnrenenrnrnrnnnrrrrnrnrenne 0 1 VDC Batteries a 4 Type LR6 AA 1 5 VDC Alkaline Accuracy E E E E E E Meaaies 0 5 VDC Battery fE aaan 200 hours with external loop power Input impedance vccmesicntsacncttaducccatatcedusentiomeeddietentiewdi 10M ohm 20 hours with 12 mA output internal loop power VARIO P E 2 year Factory Warranty Adjusting the instrument Connect the mAcal to an external reference instrument as shown in Fig 1 The mAcal now carries out a self calibration and adapts its circuits to that measured Switch on the mAcal It is now adjusted and ready for use Note The mAcal can only be adjusted in mA Adjustment of the VDC function is not possible Calibrating the instrument measure mA Connect the mAcal to an external reference instrument and a current source as shown in Fig 2 Calibration is carried out in the following points 0 mA 4 mA 8 mA 12 mA 16 mA 20 mA and 24 mA If the mAcal displays EEEEE when measuring the 24 mA you must turn down the current until the EEEEE disappears Calibration must subsequently be carried out at a lower value e g 23 995 mA The deviation between the read value of the mAcal and the read value of the reference instrument must be 8 pA at a maximum Fig 2 Calibrating the instrument source mA Connect the mAcal to an external reference instrum
7. ON INSTRUMENTS Specification Sheet SS CP 2320 US JOFRA mAcaL CALIBRATOR PWR Switch between external and internal loop power supply EXT the 24 VDC of the current loop is generated by an external power supply and INT the 24 VDC of the current loop is generated by the mAcal itself Mains adapter Connection to mains adapter 6 VDC 230 mA Note The mains adapter does not charge rechargeable batteries ON OFF Switching instrument on off Auto shut off to extend battery life user programmable mA setup Alternating between readout in mA and If the key is held down for more than 2 sec a change to SETUP takes place Under SETUP this key is used to select next parameter Auto AUTO ramp or AUTO STEP function is started or stopped Connection Connection Display Connection of test Connection of test Shows numerical value in mA ead lead V or sec and for readout of error codes etc FUNC This key allows for changing functions between SOURCE mA MEASURE mA and MEASURE Volt function Step The STEP function is activated or de activated Up arrow Functions to increase entered values or to scroll up Down arrow Functions to decrease entered values or to scroll down Ametek Denmark A JOFRA mAcal in softcase The mAcal calibrator is available separately and are supplied in a handy softcase that allows for complete operation of the unit while in the case
8. ent as shown in Fig 3 Calibration is carried out in the following points 0 mA 4 mA 8 mA 12 mA 16 mA 20 mA and 24 mA The deviation between the adjusted value of the mAcal and the read value of the reference instrument must be 8 pA at a maximum ORDERING INFORMATION Part No Description 75 MACAL mdAcal Calibrator with standard accesories STANDARD DELIVERY mAcal Calibrator e mAcal e Soft carrying case e 2 test leads with crocodile clip AMETEK Calibration Instruments e 4 batteries type LR6 AA offers a complete range of calibration equipment for temperature pressure and signal including calibration software JOFRA Temperature standards Portable precision thermometer Dry block and liquid bath calibrators 4 series with more than 20 models featuring speed portability accuracy and advanced documenting functions with JOFRACAL temperature calibration software e User manual Part no Description 103964 120 VAC Adapter US Japan 103950 230 VAC Adapter Euro JOFRA Pressure standards 103957 230 VAC Adapter UK Convenient electronic systems ranging from 124716 4 x 1 5 Volt rechargeable batteries 1 o TOO Cer e Tug io UCO isi ule choices of pressure ranges pumps and accuracies fully temperature compensated for problem free and accurate field use 124718 Charger for 124716 batteries 115 230 VAC JOFRA Signal calibration Process signal measurement and simulation for easy control loop
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