MTS-MONO-DC

MTS-MONO-DC

Portable test system for accuracy testing/calibration/verification of DC energy meters

Accuracy class: 0.1

Modifications

- MTS-MONO-DC-200 (200 A DC)

- MTS-МОНО-DC-500 (500 A DC)

- MTS-MONO-DC (without external current scaling converters)

Purpose

Test system is intended for on-site testing of: 
- DC energy meters
- DC current, voltage and power converters

Application

Testing DC meter with current shunt as a whole unit 

Testing DC meter without current shunt 

 

Basic specifications

MTS-MONO-DC-200/500
(test signal source and reference meter)

Parameter

Value

DC current*

1 ... 200/500 A

DC voltage
(high-voltage input/output)

10...1200 V (max)

DC voltage
(low-voltage input/output)

0.2 mV ... 10 V

DC power

Measurement error (relative)
±0.1% + Δ

* With use of an external current scaling converter and current source (200/500 A)

Specifications for reference meter
(accuracy class 0.1)

Parameter

Range

Measurement error

DC voltage
Nominal values:
UNOM = 60, 120, 240, 480, 800 V

10...1000 V

Relative
±0.05 % + ∆

DC voltage

0.2 mV ... 10 V

±0.05 % + ∆

Power, W

0.01UNOM...1.5UNOM
0.1INOM...1.5INOM

Relative
±0.1 % + ∆

∆ – additional error.

Specifications for high-voltage DC source

Parameter

Range

Value

DC voltage

10...1000 V

≤1 %

Output power

 

15 VA


Specifications for low-voltage DC source

Parameter

Range

Value

DC voltage

0.2 mV...10 V

≤1 %

Output power

 

5 VA


Specifications for Current Measuring Converter PPT-200

Parameter

Range

Measurement error

DC current

1...200 A

Relative
±0.02 % + ∆


Operating conditions

Ambient temperature

From -10 to +40 °C

Relative humidity

Up to 80 % at 20 °C

Atmospheric pressure

From 84 to 106.7 kPa


General specifications

Parameter

Value

Mains supply

195 ... 253 V
47...63 Hz

AC power consumption

100 VA, or less

Overall dimensions
(length × width × height)

218 × 423 × 546 mm,
or less

Weight

12 kg, or less


Pulse input/output

Parameter

Input

Output

Level

5...15 V

5 V

Frequency (max)

36 kHz

18 kHz

Duration

> 14 µs

10 ± 2 µs

Constant

1...999 999 999 imp/(kW • h)

C = 144 • 108/(INOM•UNOM) imp/(W • h)

Accuracy specifications

Accuracy specifications
(when testing DC meter with current shunt)

Parameter

Range

Measurement error

Note

DC voltage (high)

10...1000 V

Relative
±0.05 % + ∆

1200 V (max)

DC current

1...200 A

±0.05 % + ∆

300 A (max)

DC power

10 W ...200 kW

Relative
±0.1 % + ∆

 


Accuracy specifications for MTS-MONO-DC equipped with Low-Voltage Source
(when testing DC meter without current shunt)

Parameter

Range

Measurement error

Note

DC voltage (high)

10...1000 V

±0.05 % + ∆

1200 V (max)

DC voltage (low)

0.2 mV ... 10 V

±0.05 % + ∆

 

DC power

 

±0.1 % + ∆

 

Benefits

Time of testing is minimized owing to fast connection technology and automatic control with ME-Service-DC software
Testing of DC meter with or without current shunt is possible

Delivery package

Монтажная панель
Test system MTS-MONO-DC
 
Scanning Head
SH-E
Scanning head
Software ME-Service-DC