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td3600 verification apparatus of three-phase meters

专用于检定三相电能表


准确度: 0.01 级 / 0.02 级 / 0.05 级可选

交流最大输出能力为 576 v / 120 a,满负荷条件下能保证量值输出稳定

交流电流输出最小至 1 ma ( 0.1 ma 可选 ) ,是被检电能表进行起动试验的基础

具有正向、反向有功电能,四象限无功电能等多种电能计量方法


overview

td3600 is a set of apparatus specially applied to the verification of three-phase meters. it is composed of standard three-phase ac power source, reference meter, multi-station verification workbench (built-in meter hanger, terminal knob, pulse input and output module, control module, display module, communication interface, anti-static table, etc) ,computer, proprietary software and so on. the accuracy is 0.01/0.02/0.05/0.1 optional, and reference standards are jjg 307-2006、jjg 596-2012、jjg 597-2005.

the apparatus is based on the stable output of three-phase ac power source. standard reference meter (td3300 or td3310) independently developed by tianheng is adopted as the accuracy assurance. combined with proprietary software, it can simultaneously have verification on 3-16 three-phase meters with the same voltage and current range, different constant and different error limit. the items include basic error test, start-up test, latent test, meter constant, daily timing error, time interval switching and so on.

features

 the maximum ac output capacity is 456 v/120 a, which can ensure the stability of output value at full load.

 the minimum ac current output to 1 ma(0.1ma optional), which is the basis for start-up test of the verified meter.

 the apparatus has positive and reverse active electrical energy, four quadrant reactive power and other metering methods.

 multi-station verification workbench: simultaneous automatic verification of 3-16 three-phase meters is supported. the verification workbench is equipped with ac voltage / current output terminals, photoelectric pulse and communication interface to meet various kinds of testing requirements. and the control panel is built in so the operator can observe and control the output value by its lcd touch screen, which facilitates manual verification.

 proprietary softwaresemi-automatic and full-automatic verification is supported, so as data management and certificate export.

 harmonic function (options): it can load 2nd-21st harmonic with adjustable amplitude and phase to complete the harmonic influence test.

 crimping module (option): it is equipped with crimping module which makes no necessity for manual wiring and is convenient for users to complete the verification work.

technical specifications

 ac voltage output

1

output characteristics:

 range: 0 v~264v

 resolution0.002%*rg

 burden capacity15 va for each station

 display: 6 digits

 protectionshort-circuit protection, overload protection

ac current output

2

output characteristics:

 range1 ma~120 a (0.1 ma optional )

 resolution: 0.002%*rg,

 burden capacity: 25 va for each station

 display: 6 digits

 protection: open-circuit protection, overload protection 

frequency, phase and harmonic

 range of frequency: 45.000 hz~65.000 hz

   resolution0.001 hz

   accuracy: ± 0.01 hz

 range of phase: 0.000°~359.999°

   resolution: 0.005°

   accuracy: ± 0.05°

 symmetry of three-phase parameter: voltage≤+ 0.2%; current≤+ 0.5%; phase≤+ 0.5°

 harmonic output(option): 2nd to 21st,amplitude 0~40%、phase 0.0°~359.9° adjustable

stability of output power

3

accuracy of reference meter

4

measurement characteristics:

 ac power rangecombination of ac voltage range and current range

 output of standard electrical energy pulse (high frequency): full scale value corresponds to 60 khz.

   output of standard electrical energy pulse(low frequency): full scale value corresponds to 6 hz.

   frequency jitter of output pulse: < 10 μs

 input of standard electrical energy pulse: high frequency pulse less than or equal to 150khz with the amplitude of 3.3v~24v can be received.

 the electrical energy error is automatically displayed with the resolution of 0.0001%.

general specifications

 line power: ac ( 220 ± 22 ) v,( 50 ± 2 ) hz

 operating environment: 0 ℃~40 ℃,20%~80% r·h, non-condensing

 storage environment: -20 ℃~70 ℃, < 80% r·h, non-condensing

 dimensions(width*depth*height): 2800 mm × 750 mm × 1500 mm ( 6 stations workbench )

 standard interface: rs232

selection guidance

5




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