True Three-phase Transformer Turns-ratio Tester

PHYSICAL SPECIFICATIONS

21”W x 9”H x 17”D (53 cm x 24 cm x 43 cm); Weight: 35 lbs (15.8 Kg)

INPUT POWER

3 amps, 100 – 240 Vac, 50/60 Hz

MEASUREMENT METHOD

ANSI/IEEE C57.12.90

TURNS-RATIO MEASURING RANGE

0.8 – 15,000 (5-digit resolution)

TURNS-RATIO ACCURACY

0.8 – 999: ±0.1%, 1000 – 1599: ±0.2%, 1600 – 9999: ±1%, 10,000 – 15,000: 1.5% @ 8 Vac
0.8 – 999: ±0.1%, 1000 – 1599: ±0.2%, 1600 – 9999: ±1%, 10,000 – 15,000: 1.5% @ 40 Vac
0.8 – 999: ±0.1%, 1000 – 1599: ±0.2%, 1600 – 9999: ±1%, 10,000 – 15,000: 1.5% @ 100 Vac

TEST VOLTAGES

Three-phase, 8 Vac @ 1 Amp, 40 Vac @ 0.2 Amps, 100 Vac @ 0.1 Amp

EXCITATION CURRENT READING RANGE

0 – 1 Ampere; Accuracy: ±0.1 mA, ±2% of reading (±1 mA)

PHASE ANGLE MEASUREMENT

0 – 360 degrees; Accuracy: ± 0.2 degree (± 1 digit)

DISPLAY

Back-lit LCD screen (64 x 128 dot graphic display); Viewable in bright sunlight and low-light levels

PRINTER

Built-in 4.5-inch wide thermal printer

EXTERNAL DATA STORAGE

One USB Flash drive interface port; Up to 999 transformer test records can be stored on a USB Flash drive (not included).

COMPUTER INTERFACES

One RS-232C port, One USB port

PC SOFTWARE

Windows® XP/Vista-based Transformer Turns-Ratio Analyzer application is included with purchase price

INTERNAL TEST RECORD STORAGE

Stores up to 112 transformer test records. Each record holds the test record header and up to 33 readings.

INTERNAL TEST PLAN STORAGE

Stores up to 128 transformer test plans. Test plans can be transferred to the unit from the PC via the RS-232C/USB port or via the USB Flash drive interface

LOAD TAP CHANGER CONTACT

240 Vac, 1 Amp

SAFETY

Designed to meet UL 61010A-1 and CAN/CSA C22.2 No. 1010.1-92 standards

ENVIRONMENT

Operating: -10° to 50° C (15°F to +122° F); Storage: -30° C to 70° C (-22°F to +158° F)

CABLES

One 15-foot single-phase set, One 15-foot three-phase set, One 25- foot extension set, One ground cable, One USB cable, One RS-232C cable, power cord, cable bag

OPTIONS

Transportation case

WARRANTY

One year on parts and labor

Function

Transformer ratio, group, polarity test

Working power

Input voltage

185Vac~250Vac

Allowable voltage

85Vac~264Vac

Frequency

50/60Hz

Allowable frequency

45Hz~65Hz

Input power

40VA

Joint

Standard AC socket 60320

Measuring range

Ratio test range

1~9999.9

Group test range

1~12

Test accuracy

Accuracy

1~999.99:0.2%;1000~9999.9:0.5%

Environment condition

Operating temperature

0℃~+40℃

Resolving power

Relative humidity:5%~95%,No dew

Accuracy

0.2%±0.001A

Frequency

Range

45Hz~65Hz

Resolving power

0.001Hz

Accuracy

0.2%±0.001Hz

Power

Range

0~39kW

Resolving power

0.001kW

Accuracy

<±0.5%(CosΦ>0.1),±1.0%(0.02<CosΦ<0.1)

Capacity test range

10kV Dry type transformer

30kVA~3150kVA

10kV Oil immersed transformer

30kVA~31500kVA

35kV Oil immersed transformer

50kVA~31500kVA

20kV Dry type transformer

50kVA~2500kVA

35kV Dry type transformer

50kVA~2000kVA

Environment condition

Operating temperature

-10℃~+50℃

Storage temperature

-25℃~+70℃

Physical characteristics

Size

400×290×170mm3

Weight

≈7kg (Do not include attachments)