AVTMTTR20 Rev 4 Dec 2015
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Appendix A
SPECIFICATIONS
Electrical
Type of Power
Six AA-size replaceable alkaline batteries (IEC LR-6)
12 hrs of continuous field operation when new Energizer
®
X91 batteries or
equivalent (with average capacity of 3135 mAh) are used
Pollution Degree
TTR20 is designed for Pollution Degree II
Regulatory Compliance
IEC 61010-1
Environmental Protection
Dust and shower protection to IP54
Output Test Voltage and Current
8 V rms for testing distribution or power transformers and PTs
0.5, 1.5, or 8V ac rms for testing CTs
Test Frequency
55Hz, internally generated providing a universal 50 / 60 Hz test set.
Loading of Test Transformer
Less than 0.1 VA
Measuring Ranges
Turns ratio:
0.8:1 to 10,000:1, 5 digit resolution
Current:
0 to 100 mA, 4 digit resolution
Transformer Polarity:
NORMAL or REVERSE
Содержание TTR20
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