Technical data

MEASURING AND TESTING EQUIPMENT
874
15
CABLE AND ELECTRIC APPLIANCE
KEW HIGH VOLTAGE INSULATION TESTER
Model 3123
Benets :
• Dualscalesforlowandhighrangeswhichchangeautomatically.Colour
coded scales for easy reading plus LED’s that illuminate in matching
colour.
•Dripproofconstruction.
•Hardcarryingcasefurnishedasstandardaccessory.
•Designedforlowpowerconsumption.
Specication
Insulation Resistance
DC Test Voltage (V) 10000V
Measuring Ranges
(Automatic Change)
10GΩ/400GΩ(Autoranging)
First Eective Measuring
Ranges (Ω)
0.4-200GΩ
Accuracy ±5%rdg
Other Ranges Accuracy ±10% rdg or 5% of Scale Length
Withstand Voltage 5000V AC for 1 Minute
Power Source R6P(AA)(1.5V) x 8
Dimensions (mm) 200(L) x 140(W) x 80(D)mm
Weight 1kg approx.
Accessories
7058(Test leads) 9039(Hard Carrying Case)
8019(Pickel type prod) 8020(Adaptor for
recorder) R6P(AA) x 8 Instruction Manual
Optional -
Type
Description
Model 3123
Kew High Voltage Insulation Testers
KEW EARTH TESTER
Model 4102A
Benets :
• The latest circuit design the instrument to operate with the
minimum of inuence from earth voltage and earth resistance of
auxiliary earth spikes
• Dustanddripproof.(designedtoIEC529IP54)
• Earthresistancevaluecanbereaddirectlyfromthescale
• DesignedtomeetIEC61010-1safetystandard
• Capableofmeasuringearthvoltage
• Smallandlightweight.Shockresistantnewcasematerial
• 2 mA measuring current permits earth resistance tests without
tripping earth leakage current breakers in the circuit under test
• Lead wire connection to C and P terminals and proper auxiliary
earth resistance can be checked by “OK” lamp is illuminated
Specication
Measurements
Ranges
Earth Resistance : 0-12Ω/0-120Ω/0-1200Ω Earth
Voltage[50,60Hz] : 0-30V AC
Accuracy
Earth Resistance: ±3% of Full Scale Earth Voltage:
±3% of Full Scale
Overload Protection
Earth Resistance : 276V AC for 10 seconds across
2 of the 3 Terminals Earth Voltage : 276V AC for 1
Minute
Applicable Standard
IEC61010-1 CAT.III 300V Pollution Degree 2
IEC61557
Withstand Voltage 3700V AC for 1 Minute
Power Source R6P(AA)(1.5V) x 6
Dimensions (mm) 105(L) x 158(W) x 70(D)mm
Weight 600g approx.
Accessories
7095(Test Leads) x 1set(red-20m, Yellow-10m,
green-5m) 8032(Auxiliary Earth Spikes) x 1set
7127(Simplied Measurement Probe) x 1set
R6P(AA) x 6, Neck Strap, Instruction Manual Carry-
ing Case : 4102A(Soft Case)
: 4102A-H(Hard Case)
Optional 7100(Precision Measurement Cord Set)
Type
Description
Model 4102A
Kew Earth Tester