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TD1855 Multi-Product Calibrator

校准数字式和指针式万用表及交直流电测仪表等的理想仪


电量输出: 电压最大达 1100 V,电流最大达 22 A 或 33 A 

频率范围DC45 Hz ~ 1100 Hz

直流功率、交流功率检测




Overview

Model TD1855, a wide-range, multi-value and high-precision calibrator with a built-in AC and DC standard source。 The apparatus accurately outputs AC voltage/current and DC voltage/current with an accuracy of class 0。05, and also has the functions of phase adjustment, AC/DC power output, resistance simulation and pulse output。 Applied to calibrate multimeters or other electrical measuring instruments。

This calibrator complies with the following standards:

JJG 124-2005 Verification Regulation of Amperemeters, Voltmeters, Wattmeters and Ohmmeters.

● JJF 1587-2016 Calibration Specification for Multimeters

 JJF 1284-2011 Calibration Specification of Calibrators for Electrical Meters

Applications

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Features

 Electrical Parameters Output: Voltage is up to 1100 V, current is up to 22 A or 33 A at a  frequency from 45 Hz to 1100 Hz.

 Resistance Simulation: Continuously variable range is from 10 Ω to 220 MΩ, pulse output range is from 1 Hz to 2 MHz.

 Value Output Mode: Standard source and output source modes, easy to calibrate both digital meters and analogue meters.

 Value Adjustment Method: Fixed-point, rotary encoder, step and potentiometer (option).

 Output Switch: The output can be turned on/off arbitrarily by one-touch operation.

 Excellent Human-Computer Interaction: Large LCD touch screen display, touch and button operation modes, easy for users to measure manually.

 Clamp Coil (Option): Match a 50 T clamp coil produces a maximum 1100 at equivalent current to calibrate clamp ammeters.

 Transmitter Measurement (Option): Measure the secondary DC signal of the transmitters.

 Proprietary Software (Option): Support the calibration of the checked meters by semi-automatic or full-automatic, data management and report export.

Electrical Specifications

DC Voltage Output

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Output Characteristics

 Output Range of Voltage: 20 mV to 1100 V

 Resolution: 0.002 % of range

 Display: 6 digits

 Ripple Coefficient: <0.5 %

 Protection: Short-circuit protection, overload protection.

DC Current Output

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Output Characteristics

 Output Range of Current: 2 μA to 22 A or 33 A

 Resolution: 0.002 % of range

 Display: 6 digits

 Ripple Coefficient: <0.5 %

 Protection: Open-circuit protection, overload protection.

AC Voltage Output

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Output Characteristics

 Output Range of Voltage: 20 mV to 1100 V

 Resolution: 0.002 % of range

 Display: 6 digits

 Distortion: <0.5 % (<1.0 @ 200 mV range)

 Protection: Short-circuit protection, overload protection.

AC Current Output

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Output Characteristics

 Output Range of Current: 0.2 mA to 22 A or 33 A

 Resolution: 0.002 % of range

 Display: 6 digits

 Distortion: <0.5 % (<1.0 @ 200 mV range)

 Protection: Open-circuit protection, overload protection.

Resistance

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Output Characteristics

 Output Range of Resistance: 10 Ω to 220MΩ

 Resolution: 0.002 % of range

 Display: 6 digits

Pulse Output

 Frequency Range: 1 Hz to 2 MHz

 Resolution: 0.001 % of range

 Display: 6 digits

 Accuracy: ± (0.002 % of reading + 20 μHz)

 TTL Level, Jitter: <20 ns

Power Output

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Frequency and Phase (Option)

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DC Small Signal Measurement (Option)

 Range: 1 V, 10 V, 2 mA and 20 mA

 Measuring Range: ± (0 to 12 V);± (0 to 24 mA)

 Accuracy: ± (0.006 % of reading + 0.004 % of range)

 Notes: Applied to measure the secondary DC signal of the transmitters. 

General Specifications

 Line Power: 220 V ±22 V, 50 Hz ±2 Hz

 Operating Environment: +18 °C to +28 °C, 20 % to 85 % R·H, non-condensing

 Storage Environment: -20 °C to +70 °C, <85 % R·H, non-condensing

 Dimensions (W × H × D): 480 mm × 215 mm × 410 mm

 Weight: 19.5 kg

 Communication: RS-232 interface

Selection Guide

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