User`s Manual - Test Equipment Depot
Contents
1. CA11E HANDY CAL Voltage Current Calibrator 2 User s Manual In addition to this Users Manual there is another manual for the instrument IM CA11E 01 E which provides instructions for its safe use and explains its functions Refer to it as needed YOKOGAWA Yokogawa Meters amp Instruments Corporation IM CA11E 02E 1st Edition Apr 2006 KP 8 Calibration Procedure E Calibration Procedure To maintain a high level of accuracy it is recommended that the CA11E HANDY CAL be calibrated annually The Selecting the Standards section below presents calibration methods using the recommended standards E Selecting the Standards Source feature Items to be Names of Ranae Measuring calibrated standards g range Max 110 mV Max 1 1 V Max 11 V Max 33 V Digital multimeter 20 mA 4 20 mA Max 24 mA Digital multimeter 20 mASINK standard DC 20 mASINK 0 01 to 7 mA voltage generator 5 to 28 Measurement feature Items to be Names of Generated 0 01 1 00 mV M d l 2552 0 01 1 V a 0 01 10 V 0 02 30 V Standard DC a E Environmental Conditions for Calibration Ambient temperature 230 21 C Relative humidity 45 to 75 R H Warm up Warm up time as specified for the standard Accuracy 0 005 5 uV 0 005 20 uV 0 005 200 uV 0 005 2 mV Model 7561 Yokogawa Digital multimeter or equivalent t m 2 0 001 0 8 uV Standard DC Yokogawa voltage generator or equivalent2. E Calibration Points e The calibration points are as specified in the following tables e It is possible to independently select the necessary range to be recalibrated e Always calibrate the zero 0 point and full scale FS as a pair for generation Measurement Calibration points Standard Value 2 100 mV FS FS Source Calibration points Standard Value aw Cf om S jo fow 1V 1000 mV O e 10 V oo Y 30 V ooo y 20 mA 20 mA Sins 1 Make adjustments to CA11E according to the reading of the standard CA11E output Value as specified in the table 2 Set the Value to the standard as specified in the table E Calibrating the Generation Feature Operation procedure lt 1 gt Warm up the standard lt 2 gt Before turning on the power of the CA11E calibrator connect it to the standard lt 3 gt Turn on the power of the instrument lt 4 gt Simultaneously press and hold the A1 and V4 keys shown in the figure in the Assign ment of Keys for Calibration section below for about 2 seconds to enter the calibration mode lt 5 gt Select the generation range to calibrate using the MEASURE SOURCE selection switch and range selection rotary switch The display unit shows CAL SOURCE ON 0 and the lower limit lt 6 gt Read the output value of the CA11E using the standard digital multimeter and using the A and V adjustment keys adjust the CA11E so that the output value is
3. set to the offset value Then press the W1 input determination ENTER key to fix the setting After fixing the setting the display unit reading changes to CAL SOURCE ON FS and a full scale of the range lt 7 gt Read the output value of the CA11E using the standard digital multimeter and using the A and V adjustment keys adjust the CA11E so that the output value is set to the full scale value Then press and hold the W1 input determination ENTER key for about 1 second to fix the setting After fixing the setting the display unit shows 0 FS blinking Re press and hold the V1 input determination ENTER key for about 1 second to write the calibration coefficients to the EEPROM of the instrument This overwrites the previous calibration coefficients When this is complete the instrument returns to the status in Step 5 lt 8 gt Repeat Steps 5 to 7 for each range to be calibrated To return to the previous step lt 9 gt To return to the previous step without fixing the setting press the A1 input cancellation key Note that this is possible only before writing to the EEPROM To return to the normal operation mode lt 10 gt Simultaneously press and hold the A1 and W4 keys shown in the figure in the Assign ment of Keys for Calibration section below for about 2 seconds or press the POWER key to turn off the power once and then press it again to turn it back on Test Equipment D
4. P are excluded EN61326 ClassB EN55011 ClassB Group1 EN61000 3 2 EN61000 3 3 Immunity EN61326 Performance criterion under immunity test environments B self returnable performance deterioration Test conditions of EMC and Immunity standards AC adapter B9108WB and Lead cables B9108MS are used Battery life Safety standards EMC standards Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 10 How to Use the Carrying Case and Rubber Boot E The carrying case B9108NK may be used as follows 1 Undo the fasteners on the top 2 With the fastener on the logo and sides of the case cover to side of the case centered lift the open it cover and pivot it to the side and under the case itself 3 Re do the fasteners at the top and sides of the cover Note The fastener on the logo side cannot be undone E Rubber Boot 93038 E Anti skid pad Anti skid pad supplied The optional rubber boot provides shock protection and can be used with a strap Note When using the instrument with a rubber boot the anti skid pad at the bottom is not needed When used without a rubber boot in a leaning position the supplied anti skid pad should be used IM CA11E 02E lt 2 gt FAX 781 665 0780 TestEquipmentDepot com
5. epot 800 517 8431 99 Washington Street Melrose MA 02176 99 Washington Street Melrose MA 02176 Fax 781 665 0780 TestEquipmentDepot com Test Equipment Depot 1 800 517 8431 E Notice regarding the Manual lt 1 gt The information contained in this User s Manual is subject to change without notice lt 2 gt Every effort has been made to ensure that the information contained herein is accurate However should any concerns errors or omissions come to your attention or if you have any comments please contact us E Calibration Precautions e Connection for 20 mA SINK calibration Connect the CA11E calibrator to the standard as shown below DMM L current range O Constant voltage power supply Vo 5 28V E Assignment of Keys for Calibration When the CA11E calibrator is in the calibration mode keys are assigned as specified here Input cancellation key Input determination Tr ENTER key 2 fut rrree E ENE EEEE Mode switching calibration or normal Press and hold two keys simultaneously for 2 seconds Adjustment keys six keys B l Digit to be adjusted by the A4 V4 adjustment keys i E Calibrating the Measurement Feature Operation procedure lt 1 gt Warm up the standard lt 2 gt Before turning on the power of the CA11E calibrator connect it to the standard lt 3 gt Turn on the power of the instrument lt 4 gt Simultaneousl
6. r about 2 seconds or press the POWER key to turn off the power once and then press it again to turn it back on IM CA11E 02E lt 1 gt FAX 781 665 0780 TestEquipmentDepot com 9 Specifications E Source Functions Accuracy of set value uV mV or WA at 23 5 C Range Range of A Setting Selection Generated Signal eure Resolution 0 to 30 00 V 0 05 20 mV Maximum output current 1 mA 0 to 11 000 V Maximum output current 10 mA 0 05 2 mV When the load is 1k or greater and 1 2 3 4 5 V 1 Vstep greater the error of the lead cables is also excluded 0 05 4 uA Maximum load 12 V 4 20 mA 4 8 12 16 20 mA 4 mAstep 20 mA SINK 0 1 to 24 000mA 0 1 4uA External power supply 5 to 28 V Temperature coefficient 1 10 of accuracy C but 0 005 10 uV C in the 100 mV range The resolution can be changed between 5 digits and 4 digits using a DIP switch 0 to 1100 0 mV 0 05 0 2 mV E Measurement Functions Accuracy of reading least significant digits at 23 5 C Range 0 to 30 00 V 0 05 2 dgt 10 mV Oto 11 000V 0 05 2 dgt mV Input impedance Approximately 1 MQ Oto 1100 0mV 0 05 2 dat Oto 110 00 mV 0 05 7 dgt 0 to 24 000 mA 0 05 4 dgt Input impedance 45 Q Temperature coefficient 1 10 of accuracy C but 0 005 10 uV C in the 100 mV range The resolution can be changed between 5 digits and 4 digits using a DIP switch Power supply Four 1 5 V alkaline batte
7. ries LR6 AA size or dedicated AC adapter sold separately Approximately 50 hours for 5 V DC output with a load of 10 kQ or greater when running on alkaline batteries Approximately 25 hours for 20 mA output with a load of 5 V when running on alkaline batteries Automatic Power Off After a period of approximately 10 minutes with no operations Generation Signal Level Setting By four sets of up and down keys Response of generator Approximately 1 second between the time for an output signal to start changing and the time when it enters the accuracy range Loading conditions Less than 0 1 uF DC V Measured value indication updating intervals Approximately 1 second Display 7 segments LCD Maximum allowable applied voltage 30 V DC between each terminal and ground Operating temperature and humidity range 0 to 50 C 20 to 80 R H no condensation Storage temperature and humidity range 20 to 50 C 90 R H or less no condensation Dimension Approximately 192 H x 92 W x 42 D mm excluding protrusions Weight Approximately 440 g Accessories Lead cables B9108MS for measurement and generation one pair consisting of one black cable and one red cable 4 alkaline batteries 2 User s manuals Optional accessories Dedicated AC adapter A1020UP AC100V A1022UP AC120V B9108WB AC 220 240V Carrying case B9108Nk Rubber boot 93038 Strap 97040 Accessory case B9108XA EN61010 1 only AC adapter B9108WB A1020UP and A1022U
8. y press and hold the A1 and V4 keys shown in the figure in the Assign ment of Keys for Calibration section below for about 2 seconds to enter the calibration mode lt 5 gt Select the measurement range to calibrate using the MEASURE SOURCE selection switch and range selection rotary switch CAL and MEASURE appear and FS blinks on the display unit If a value nearly equivalent to full scale has been input a measured value and FS appear lt 6 gt Set up the standard in order to input the full scale value to the instrument Wait until the reading stabilizes then press and hold the V1 input determination ENTER key for about 1 second to fix the setting lt 7 gt After fixing the setting 0 and FS indications on the display unit start blinking Re press and hold the V1 input determination ENTER key for about 1 second to write the calibra tion coefficients to the EEPROM of the instrument This overwrites the previous calibration coefficients lt 8 gt Repeat Steps 5 to 7 for each range to be calibrated To return to the previous step lt 9 gt To return to the previous step without fixing the setting press the A1 input cancellation key Note that this is possible only before writing to the EEPROM To return to the normal operation mode lt 10 gt Simultaneously press and hold the A1 and V4 keys shown in the figure in the Assign ment of Keys for Calibration section below fo
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