Huayi H707 Instruction Download Page 16

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battery immediately to avoid reading error which may cause electric shock or

personal injury.

The calibrator uses one 9V alkaline battery (ANSI/NEDA 1604A or IEC

6LR61), if want to replace this battery, please follow below steps:

1.Press to switch off the calibrator.

2. Disconnect the test wire from the terminal.

3. Remove the rubber cover.

4. Unscrew the two screws fastening the battery cover with screwdriver, then

open the door at the back of this calibrator, see below figure.

5. Take out the used battery.

6. Put in the replacing battery, close the battery door. Ensure that the battery

fastened in place.

7. Fit the cover, drive the screws to the cover tightly .

8. Put back the calibrator into the rubber cover.

电池

电池盖

Summary of Contents for H707

Page 1: ...H707 Loop Calibrator Instruction Shenzhen Huayi Instrument Technology Co Ltd...

Page 2: ...use this calibrator near explosive gas vapor or dust Check the calibrator before using if any damage found please be sure not to use Check and test if the insulativity of lead wire is in good conditio...

Page 3: ...tor before open the housing or battery door 1 2 Symbols and marks Symbol Meaning Earth ground Caution important information refer to the instruction Double insulated Low battery power Conform to Europ...

Page 4: ...educed by 1 A 10 A 100 A If turn the turncap in auto slope function or 25 stepping the current change direction could be changed Press to increase the current with a stepping of 25 of the full range 0...

Page 5: ...e 0 mA 20 mA 0 100 optional The selection will be saved until next change 2 2 Display 1 show the measured value or output value 2 show the percentage of measured value or output value account for of t...

Page 6: ...librator can supply current In SIMULATE model the calibrator can simulate two wire transducer which uses a set of external source Change the mA output span The calibrator has two mA output spans 4 mA...

Page 7: ...al and COM terminal or it will show overload figure flashing when you setting up the output value Press until the display show SORCE source output mA Press to select Slow slope Fast slope and Stepping...

Page 8: ...must be 12 28 V loop source Please connect the test wires as the figure below Press until the display shows SIMULATE analog output mA Press to select Slow slope Fast slope and Stepping slope Press or...

Page 9: ...or applies or controls a continuously repeated mA signal in one of below three slope types within the span of 0 20 mA or 4 20 mA Slow slope gentle slope with rate of change 0 100 0 within 40s Fast slo...

Page 10: ...ase ensure the calibrator in proper model before connecting the test wire To test mA DC 1 Prees to step to MEASURE model The display shows MEASURE mA 2 Contact the load circuit or source with the prob...

Page 11: ...nsducer and read the loop current value at the same time Measure DC mA current with loop Power scale 1 Press to step to Loop Power model The display shows MEASURE with unit mA measure mA and Loop Powe...

Page 12: ...before connecting the test wire To measure DC voltage 1 Press to step to MEASURE model The display shows MEASURE V 2 Contact the load circuit or source with the probe of the test wire 3 If the voltage...

Page 13: ...1 When the calibrator is off press to switch on The display shows PS XX in which XX indicates the switch of time with unit minute OFF indicates that the power protector is disabled 2 Rotate the turnc...

Page 14: ...y 0 02 of the reading 4 counts 4 3 SOURCE SIMULATE mA dc Range 0 24mA Resolution 1uA Accuracy 0 02 of the reading 4 counts SOURCE MODE iswith load ability When the current is 20mA the impedance is 120...

Page 15: ...ir To avoid electric shock personal injury or damage to the calibration please be sure to make this product repaired by qualified technican according to the instruction and must prepare necessary devi...

Page 16: ...calibrator 2 Disconnect the test wire from the terminal 3 Remove the rubber cover 4 Unscrew the two screws fastening the battery cover with screwdriver then open the door at the back of this calibrat...

Page 17: ...ery from the device shown as above figure 4 Unscrew four screws from the bottom housing 4 Separate the bottom housing form the top housing 5 Pick up the short circuit cap then move it to enable or dis...

Page 18: ...rator to confirm if its function meets the specification for details please refer to the factory 6 Accessories included Item Description Lot No Quantity 1 9V alkaline cell ANSI NEDA 1604A or IEC 6LR61...

Page 19: ...en Huayi Instrument Technology Co Ltd Address Building 3 West Floor 9 SEG Technology Industrial Park North Huaqiang Road Shenzhen City 518028 Tel 86 755 83769588 Fax 86 755 83768150 Website WWW SZHYTE...