TD1540

• Accuracy: class 0.02 / 0.05

• DC standard current：0.5 A～600 A

• Precision DC voltage measurement: 100 μV~11 V

• Resistance measurement range: 200 nΩ~6 Ω

• A variety of quantity output adjustment methods

• Measuring the resistance value and basic error of the shunt, drawing R (I) and R (t) curve

• Professional test software (option)

TD1540 is a set of instrument specially used for calibrating DC shunt, which is composed of DC standard large current source and precision DC voltmeter. It can be applied to the verification of DC shunt used for various measurements by metering and power departments at all levels, and also to the quality inspection of products by manufacturers.

Power supply

AC ( 220±22 ) V，( 50±2 ) Hz;

Warm up time

2h;

Maximum power consumption

4.8 kVA

Sampling rate

0.5 sps

Temperature performance

Operating temperature: 15 °C~30 °C;

Storage temperature: -20 °C ~ 70 °C;

Humidity performance

Operating humidity: ( 20 % ~ 50% ) R·H, No condensation;

Storage humidity: ( 15 % ~ 80% ) R·H, No condensation;

Altitude

< 3000 m

Weight

About 49.5 kg

Communication interface

RS 232

Unit size


623 mm (W)×548 mm (D) × 260 mm (H) (Excluding handle and support foot)

5.1 DC current output DCI


Range

Short-term Stability (% / min)

Accuracy

( ±ppm of reading + ppm of range) [1]

Maximum load (V)

Class 0.05

Class 0.02

Class 0.05

Class 0.02

5 A

0.005

0.003

120 + 80

60 + 40

3.5

10 A

0.005

0.003

120 + 80

60 + 40

3.5

20 A

0.005

0.003

120 + 80

60 + 40

3.5

50 A

0.005

0.003

120 + 80

60 + 40

3.5

100 A

0.005

0.003

120 + 80

60 + 40

3.5

200 A

0.005

0.003

120 + 80

60 + 40

3.5

500 A

0.005

0.003

120 + 80

60 + 40

3.5

Note [1] : (ppm = parts per million) (e.g., 10ppm = 0.001%).


• Output range：0.5A～600 A, Ripple coefficient: < 0.5 %

• 7-digits display, Regulating fineness: 0.001%*RG

• Protection function: Open circuit protection, Overload protection


5.2 DC small signal voltage measurement DCV

Range


Accuracy

(±ppm of reading + ppm of range)

Temperature coefficient @ (15~30) °C

(ppm*RG/°C)

Class 0.05

Class 0.02

Class 0.05

Class 0.02

1 mV

150 + 1

80 + 0.5

<30

<15

10 mV

150 + 3

80 + 1.5

<10

<5

100 mV

150 + 10

80 + 5

<10

<5

1 V

150 + 20

80 + 10

<5

<2

10 V

150 + 100

80 + 50

<5

<2

• Measuring range: ±(100 μV~11 V), Manual/automatic range switching, 7-digits display

• Input resistance: >1 GΩ, Input protection: 50 Vpk, continuously

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