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Vanguard TRM-40 Transformer Winding Resistance Meter

Vanguard TRM-40 Transformer Winding Resistance Meter

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Product Overview: Vanguard TRM-40 Transformer Winding Resistance Meter

Vanguard TRM-40 Transformer Winding Resistance Meter

Vanguard TRM-40 Features:

  • Auto-discharge circuit for operator safety
  • Demagnetizes transformer after test
  • Selectable test current from 1A to 40A
  • RS-232C, USB, and Bluetooth computer interfaces
  • Built-in thermal printer

TYPE

Portable transformer winding resistance meter

PHYSICAL SPECIFICATIONS

21” W x 17” H x 9” D (53 cm x 43 cm x 24 cm); Weight: 33 lbs (15.4Kg)

OPERATING VOLTAGE

100 – 240 Vac, 50/60 Hz

RESISTANCE READING RANGE

1 micro-ohm to 500 Ohms

ACCURACY

1 – 19,999 micro-ohms: ±0.5% reading, ±1 count
20 – 999 milliohms: ±1% reading, ±1 count
1 -2000 Ohms: ±1.5% reading, ±1 count

TEST CURRENT

1-40A in 1A increments

TEST VOLTAGE

60 Vdc charging, 18V DC max during measurement

RESISTANCE CHANNELS

Two static resistance reading channels

DISPLAY

Back-lit LCD (64 x 128 dot graphic), viewable in direct sunlight and low light levels

PRINTER

Built-in 2.5′ wide thermal printer

INTERNAL DATA STORAGE

256 static test records (each can contain up to 111 readings) and 120 dynamic
test records

EXTERNAL DATA STORAGE

Up to 999 test records on external USB Flash drive.

COMPUTER INTERFACES

RS-232C, USB, Bluetooth

SAFETY

Designed to meet UL 61010A-1 and Can/CSA C22.2 No 1010.1092 standards

ENVIRONMENT

Operating: -10ºC to 50ºC (15ºF to +122ºF)
Storage: (-30ºC to 70ºC (-22ºF to +158ºF)

HUMIDITY (MAX)

90% RH @ 40˚ C (104˚ F) non-condensing

ALTITUDE (MAX)

2000m (6562 ft) to full safety specifications

CABLES

One 50-foot current cable set, two 50-foot resistance sense cable set,
One LTC control cable, One ground cable, one power cord,
One RS-232C cable, one USB cable

OPTIONS

Transportation Case

WARRANTY

One year on parts and labor

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