HG561H
DIGITAL INSULATION RESISTANCE TESTER
INSTRUCTION MANUAL
Page 1: ...HG561H DIGITAL INSULATION RESISTANCE TESTER INSTRUCTION MANUAL ...
Page 2: ... 4 Button Automatic Locking Feature 8 4 5 Test Voltage Selection Hold Button 8 4 6 Function Selection Button 8 4 7 MΩ test button MΩ function 9 4 8 Auto Power Off 9 4 9 Low Battery Indication 9 5 MEASURING PROCEDURE 5 1 Pre operational Check 10 5 2 Voltage Measurement 11 5 3 Insulation Resistance Measurement 13 5 4 Discharge Function 18 5 5 Resistance Ω Measurement Continuity Check 18 6 MAINTENANC...
Page 3: ...ction to another function while the measurement 13 Do not operate the instrument when it is wet or with wet hands 14 Use the instrument according to the how to use described in this instruction manual without exception 15 Make sure that a pre operational check is performed and an inspection is performed at least once a year 16 Do not use the instrument outdoors 17 Do not use the instrument in an a...
Page 4: ...ategory II CAT II Applicable to measurements on circuits directly connected to utilization points of the low voltage mains installation Applicable to measurements on household appliances portable tools and similar equipment Voltages used in the measurement categories are based on line to neutral voltage The secondary side of 480 V of Three phase four wire systems with earthed neutral or Three phas...
Page 5: ...cking indicator Low battery indicator Polarity AC DC Voltage warning indicator LED light LED level meter MΩ Power button Display Detachable variable angle measurement probe Function selection button Test voltage selection Hold button Light button Detachable alligator clip MΩ Test button Front View Hand strap eyelet Earth lead stopper Earth lead take up reel Alligator clip holder Battery door Back ...
Page 6: ...e the feature is activated the following buttons are disabled Insulation resistance measurement function Test voltage selection button and Function selection button Voltage measurement function and Resistance measurement function Function selection button To release the locked button press the function selection button and hold for 1 sec or more indicator turns off The locked button cannot be rele...
Page 7: ...ge due to wearing out turns on on the display Replace all 4 batteries with new ones when the indicator turns on Note Decreasing the internal battery voltage to a voltage that the instrument does not work due to wearing out indicates on the numeric part of the display 5 MEASURING PROCEDURE WARNING 5 1 Pre operational Check WARNING CAUTION In the case nothing is displayed the batteries may be comple...
Page 8: ... Measuring range Accuracy Remarks ACV 600 0 V 1 6 rdg 7 dgt Over 600 V Beeps Over 610 V OL displayed DCV 600 0 V 5 2 Voltage Measurement AC voltage ACV DC voltage DCV Automatic detection WARNING 3 Measuring procedure Set the V function Connect the alligator clip to the circuit to be measured and the measurement probe too Read the display Note ACV or DCV will be automatically selected Voltage excee...
Page 9: ...LINE when the circuit to be measured is grounded This connection way shows generally lower value than the other connection 5 The earth lead connected to the LINE side should not touch the circuit to be measured or the earth in order to prevent measurement error 6 Insulation resistance changes a lot depending on temperature and humidity Also it changes depending on the applied voltage Test voltage ...
Page 10: ...ages are not shown on the display make the voltages enabled in the test voltage selection mode again The instrument displays up to 3 digits with fixed decimal point Note If the power is turned off during the test voltage selection mode the selected voltages before the time will not be reflected The selection completes after is indicated on the display The selected test voltages are memorized into ...
Page 11: ...V or lower on the display will be turned off Refer to 5 4 Discharge Function Insulation resistance measurement principle Detecting a current flowing through the circuit to be measured being applied a DC voltage the insulation resistance is calculated from the voltage the current 5 4 Discharge Function Measuring a capacitive circuit to be measured will charge it with a rated test voltage This funct...
Page 12: ... to avoid electric shock 2 Make sure the power is OFF before starting the replacement 6 MAINTENANCE WARNING 6 1 Simple Examination 1 Appearance Check that the instrument does not look damaged caused by dropping etc 2 Measurement Probe Alligator Clip Earth lead Check that the measurement probe and the alligator clip fit on the instrument Check for the earth lead especially exposed core wire anywher...
Page 13: ...p or material under normal use for the period of one 1 year from the date of purchase This warranty policy is valid within the country of purchase only and applied only to the product purchased from Sanwa authorized agent or distributor Sanwa reserves the right to inspect all warranty claims to determine the extent to which the warranty policy shall apply This warranty shall not apply to disposabl...
Page 14: ...ip CL 561 Carrying case C DG3a The instrument usually accepts Ni MH rechargeable batteries and may not work without the low battery indication caused by the discharge characteristic of the batteries We recommend you have spare batteries with you just in case distributor without above information will be returned to the customer Note 1 Prior to requesting repair please check the following Capacity ...
Page 15: ...nty Voltage 1 6 rdg 7 dgt 30 Insulation resistance 2 rdg 5 dgt 30 This specification describes maximum values accepted by the standard variation due to changing E1 Position E2 supply voltage E3 Temperature How to calculate accuracy Ex AC voltage measurement ACV Reading 100 0 V Range accuracy 1 6 rdg 7 dgt in the 600 V range Measuring error 100 0 V X 1 6 7 dgt 2 3 V True value 100 0 V 2 3 V from 97...
Page 16: ...ル 郵便番号 101 0021 電話 東京 03 3253 4871 大阪営業所 大阪市浪速区恵美須西2 7 2 郵便番号 556 0003 電話 大阪 06 6631 7361 SANWA ELECTRIC INSTRUMENT CO LTD Dempa Bldg 4 4 Sotokanda2 Chome Chiyoda Ku Tokyo Japan 04 1704 5008 6009 This manual employs soy ink ...
