SPECIFICATIONS
AVTMTTR100-ENG Rev 6 Nov 2015
11
Measurement Method
In accordance with ANSI/IEEE C57.12.90 and IEC 60076-1
Transformer Winding Phase Relationship
ANSI C57.12.70-2011
IEC 60076-1
CEI/IEC 76-1:2011
AS-2374, Part 4-2003(Australian Standard)
Measuring Time
8 to 20 seconds for a single-phase distribution transformer
Display
LCD module, wide temperature range, 128 x 64 dots, 21 characters by 8 lines.
Memory Storage
Internal, nonvolatile memory for storing up to 200 sets if single-phase measured
and calculated ratio, exciting current, phase, ratio error, winding resistance,
polarity, vector group, plus header information (company, substation, transformer
manufacturer, transformer rating, instrument serial number, temperature, relative
humidity, and operator name)
In addition, up to 100 user-defined transformer settings can be stored
Interface
RS232C port, 9 pin, up to 57.6 Kbaud (19.2 Kbaud for printer)
Environmental Conditions
Operating temperature range: -4 to 131 F (-20 to 55 C)
Storage temperature range: -58 to 140 F (-50 to 60 C)
Relative humidity: 0 to 90% noncondensing (operating)
0 to 95% noncondensing (storage)
Physical Data
Dimensions: 9.5 x 4.5 x 1.875 in.
(241 x 115 x 48 mm) (H x W x D)
Weight (test set): 3.3 lb. (1.5 kg) instrument only, without leads
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