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td1050 calibration device for clamp ammeters

专用于校准钳形电流表及相关测量功能的标准装置

参考标准:jjf 1075-2015《钳形电流表校准规范》( 天恒测控参与起草 )


准确度为 0.05 级 / 0.1 级可选

交流采用单匝法,可输出 1100 a 的大电流

直流采用安匝法,可产生最大为 1100 at 的等效电流


overview

model td1050, a calibration device for clamp ammeters. the optional accuracy classes are 0.05 and 0.1. the device calibrates the ac clamp ammeters by single coil, and calibrates the dc clamp ammeters by multiple coils, has the functions of ac current output and resistance simulation. it also can be applied to calibrate the ac/dc voltmeters, ohmmeters and the voltage / resistance measurement of multi-function clamp meters.

meet the requirements of jjf 1075-2015 calibration specification for clamp ammeter. (tunkia is involved in drafting)

applications (class 0.05)

1

features

● calibrate ac clamp ammeters by single coil: the ac current source connect to a single coil semi-circular copper ring with a diameter of 1m, can directly output ac high current up to 1100 a. suitable for calibrating ac clamp ammeters with medium to high accuracy.

● place the clamp meter in the center of the copper ring when calibrating. the diameter of the copper bar in the center position is smaller than the other positions, which is convenient for the access of small size clamp meters.

● easy to open the copper ring, and thread a standard current transformer or i-v converter into the ring for calibrating the device itself regularly.

● calibrate dc clamp ammeters by multiple coils: the dc current source connects to a 50 clamp coils (customized for other number of coils such as 100), can output dc current of 22 a, which produces an equivalent current of 1100 at. suitable for calibrating dc clamp ammeters with low accuracy.

● the current output has the characteristics of high accuracy, good stability, small waveform distortion and high power.

● equipped with the nonmagnetic worktable, and the display-operation panel is placed on the worktable for a fast calibration.

● value adjustment method: fixed-point, rotary encoder, and step.

● proprietary software (option): support the calibration of the checked ammeters by semi-automatic or full-automatic, data management and report export.

electrical specifications

ac voltage

2

output characteristics

● output range of voltage: 1 v to 825 v

● resolution: 0.002 % of range

● display: 6 digits

● distortion: <0.5 %

● protection: short-circuit protection, overload protection.

ac current

3

output characteristics

● output range of current: 20 ma to 1100 a

● resolution: 0.002 % of range

 display: 6 digits

● distortion: <0.5 %

● protection: open-circuit protection, overload protection.

dc voltage

4

output characteristics

● output range of voltage: 20 mv to 1100 v

 resolution: 0.002 % of range

 display: 6 digits

● ripple coefficient: <1 %

● protection: short-circuit protection, overload protection.

dc current

5

output characteristics

● output range of voltage: 20 ma to 22 a (1100 at)

● resolution: 0.002 % of range

● display: 6 digits

● ripple coefficient: <1 %

● protection: short-circuit protection, overload protection.

resistance

6

output characteristics

● output range of resistance: 10 ω to 11 mω

● resolution: 0.002 % of range

● display: 6 digits

general specifications

 line power: 220 v ±22 v, 51 hz ±4 hz

● maximum power consumption: 2.5 kva

 operating environment: +0 °c to +40 °c, 20 % to 85 % r·h, non-condensing

● storage environment: -20 °c to +70 °c, <85 % r·h, non-condensing

● dimensions (w × h × d): 2310 mm × 1280 mm × 750 mm

 communication: rs-232 interface

selection guide

7

related products

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