Electrical Installation Tester
Specifications
5
Category Ratings and Usage
Part/Accessory
Printed
CAT Rating
CAT II
250 V
CAT III
500 V
CAT IV
300 V
165XB Electrical Installation Tester CAT III 500 V
CAT IV 300 V
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√
√
√
√
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Country-Specific Mains Cord CAT II 250 V
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Multifunction Probe (red) CAT III 1000 V
√ √ √
Test Lead (red/green/blue) CAT III 1000 V
√ √ √
Test Probe (red/green/blue) CAT III 1000 V
√ √ √
Alligator Clip (red/green/blue) CAT III 1000 V
√ √ √
UK Test Leads and Probes:
Non-fused (red/green/blue)
Fused (red/green/blue)
CAT III 1000 V
CAT III 600 V
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√
√
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Electrical Measurement Specifications
The accuracy specification is defined as ±(% reading +digit counts) at 23 °C ±5 °C, ≤80 % RH. Between -10 °C and 18 °C
and between 28 °C and 40 °C, accuracy specifications may degrade by 0,1 x (accuracy specification) per °C. The
following tables can be used for the determination of maximum or minimum display values considering maximum
instrument operating uncertainty per EN61557-1, 5.2.4.
Insulation Resistance (R
ISO
)
50 V 100 V 250 V 500 V 1000 V
Limit Value
Maximum
Display Value
Limit Value
Maximum
Display Value
Limit Value
Maximum
Display Value
Limit Value
Maximum
Display Value
Limit Value
Maximum
Display Value
1 1.12 1 1.12 1 1.3 1 1.3 1 1.3
2 2.22 2 2.22 2 2.4 2 2.4 2 2.4
3 3.32 3 3.32 3 3.5 3 3.5 3 3.5
4 4.42 4 4.42 4 4.6 4 4.6 4 4.6
5 5.52 5 5.52 5 5.7 5 5.7 5 5.7
6 6.62 6 6.62 6 6.8 6 6.8 6 6.8
7 7.72 7 7.72 7 7.9 7 7.9 7 7.9
8 8.82 8 8.82 8 9.0 8 9.0 8 9.0
9 9.92 9 9.92 9 10.1 9 10.1 9 10.1
10 11.02 10 11.02 10 11.2 10 11.2 10 11.2
20 22.02 20 22.02 20 22.2 20 22.2 20 22.2
30 33.02 30 33.2 30 33.2 30 33.2 30 33.2
40 44.02 40 44.2 40 44.2 40 44.2 40 44.2
50 55.02 50 55.2 50 55.2 50 55.2 50 55.2
60 66.2 60 66.2 60 66.2 60 66.2
70 77.2 70 77.2 70 77.2 70 77.2
80 88.2 80 88.2 80 88.2 80 88.2
90 99.2 90 99.2 90 99.2 90 99.2
100 110.2 100 110.2 100 110.2 100 110.2
200 220.2 200 220.2 200 220.2
300 347 300 345
400 462 400 460
500 577 500 575
600 690
700 805
800 920
900 1035
1000 1150