|
Type of Power |
Rechargeable NIMH battery pack, 3.6 V dc, 3800
mAh |
|
Battery Life |
15 hours of
field operation |
Charger Input Voltage
|
100-250 V ac, 50/60 Hz ±2 Hz Unit can be
operated while
charging. Charging time is approximately three hours. |
Optional Charger Source
|
Optional
inverter 12 V dc to 115 V ac for powering a charger from
vehicle battery |
Excitation Voltage
|
8 V rms for testing distribution or power
transformers, and PTs;
1.5 V ac RMS, or 8 V ac RMS for testing CTs.
The excitation voltage is switched automatically if excitation
current exceeds a preset value. |
|
Test Frequency |
55 Hz
internally generated providing a universal 50/60 Hz test set |
|
Excitation Current Range |
0 to 100 mA, 4-digit resolution |
|
Turns Ratio Range |
0.8 to
20,000; 5-digit resolution |
Phase Deviation Range
|
±90º, 1 decimal point for the minutes display, 2
decimal points for
the degree display, or for the centiradians display |
|
Winding Resistance Range |
0 to 2000 Ω,
4 digit resolution |
|
Transformer Vector Group |
1PH0 or 1PH6 |
|
Transformer Polarity |
Additive or
Subtractive |
|
Current (rms) Accuracy |
±(2% of reading + 1 digit) |
|
Phase Deviation Accuracy |
±3 minutes |
Turns Ratio Accuracy
|
±0.1% (0.8 to 2000)
±0.15% (2001 to 4000)
±0.25% (4001 to 20.000) |
Winding Resistance Accuracy
|
±(10% of
reading + 1 digit) for 10 Ω to 2000 Ω range
±(10% ±1 mΩ) for 10 mΩ to 9.99 Ω range
±(10% ±0.5 mΩ) for 0.1 mΩ to 9.99 mΩ range |
|
PC/Printer Interface |
RS232C port, 9-pin, 57.6 Kbaud (19.2 Kbaud for
the printer) |
Display Full Graphics
|
LCD module,
wide temperature range, 128 x 64 dots (21
characters by 8 lines) |
Test Result Storage
|
Internal, nonvolatile memory for storing up to
200 sets of 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. |
Computer Software
|
Included
software for downloading of data to a PC, data storage
to database and report printout. |
Test Leads
|
Supplied with one complete set of single-phase
leads, 6 ft (1.8 m)
in length |
Transformer Winding Phase Relationship
|
ANSI
C57.12.70-1978
CEI/IEC 76-1:1993 and Publication 616:1978
AS-2374, Part 4-1982 (Australian Standard) |
|
Safety/EMC/Vibration |
Meets the requirements of IEC-1010-1, CE and
ASTM D999.75 |
Temperature Range
|
Operating:
-4º F to 131º F (-20º C to 55º C)
Storage: -58º F to 140º F (-50º C to 60º C) |
Relative Humidity
|
Operating: 0 to 90% non-condensing
Storage: 0 to 95% non-condensing |
Protective Devices
|
High voltage
side shorting relays, transient voltage suppressors
and gas surge voltage protectors |
|
Measuring Time |
8 to 20 seconds for a single-phase distribution
transformer |
|
Measurement Method |
ANSI/IEEE
C57.12.90 |
Dimensions
|
9.5" (H) x 4.5" (W) x 1.875" (D)
(241mm (H) x 115mm (W) x 48mm (D) |
|
Weight |
Approx. 3.3
lbs (1.5 kg), instrument only, without leads |
Protective Instrument Carrying Case
|
Neoprene case with carrying strap and attachable
pouch for
universal charger and 6 ft. (1.8 m) test leads, single-phase
connection (two leads for the H winding and three leads for the
secondary winding with tap). |
