ES 550 Instruction Manual

SAFETY INFORMATION
Read the following safety information carefully before attempting to operate or service the meter.
To avoid damaging the instrument, do not apply signals which exceed the maximum limits shown in the
technical speci cations tables.
Do not use the meter or test leads if they look damaged. Use extreme caution when working around bare
conductors or bus bars.
Accidental contact with the conductor could result in electric shock.
Use the meter only as speci ed in this manual; otherwise, the protection provided by the meter may be
impaired.
Read the operating instructions before use and follow all safety Information.
Caution when working with voltages above 60V DC or 30V AC RMS. Such voltages pose a shock hazard.
Before taking resistance measurements or testing acoustic continuity, disconnect circuit from main power
supply and all loads from the circuit.
Safety symbols:
Caution refer to this manual before using the meter.
Dangerous voltages.
Meter is protected throughout by double insulation or reinforced insulation.
When servicing, use only speci ed replacement parts.
CE
Comply with EN-61010-1

1. SPECIFICATIONS

1-1 General Information

Environment conditions:
Maintenance & Clearing:
Display:
Measurement Range:
Sampling Rate:
Zero Adjustment:
Over Range Indicator:
Low Battery Indication:
Operating Temperature:
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#550 DIGITAL INSULATION TESTER
INSTRUCTION MANUAL
①Installation Categories II
②Pollution Degree 2
③Altitude up to 2000 meters
④Indoor use only
⑤Relatively humidity 80% max.
⑥Operation Ambient 0~40ºC
①Repairs or servicing not covered in this
manual should only be performed by quali ed personnel.
②Periodically wipe the case with a dry cloth. Do not use abrasives or solvents on this
instrument.
Large LCD with dual display
200 , 200k , 200M
2000M /1000V, 750V/ACV, 1000V/DCV.
2.5 times per second.
Automatic adjustment.
Number 1 of highest digit is displayed.
The " " symbol is displayed when the battery
voltage becomes too low.
0ºC to 40ºC (32ºF to 104ºF)
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info@olct.co
/250V, 200M /500V,
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0466 909 653
Fax Order
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