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Introduction
TD1880, a wide-range, multi-value and high-precision calibrator, can accurately output ultra-precision AC/DC voltage, current, phase adjustment and power, and also has the functions of pulse output and simulating DC resistance, thermocouple (TC), thermal resistance (RTD) and capacitance. Applied to calibrate 6 and below digits multimeters or other electrical measuring instruments.
Reference
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
JJF 1638-2017 Calibration specification of multifunctional standard source
Features
Electrical Parameters Output: Voltage is up to 1100 V, current is up to 30 A at a frequency 10 Hz ~ 500 kHz.
Resistance Simulation: Continuously variable range, 1 ~ 1100 M, pulse output range: 1 Hz ~ 2 MHz.
The output current has high stability (the typical value is better than 10 ppm/h) and high accuracy (the typical value is 50 ppm/a), and its measurement accuracy is higher than the international similar products.
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.
TC and RTD simulation: Support for simulation of up to 8 types of TC and 6 types of RTD.
Strong load capacity of AC, can drive various types of analogue meters and digital meters, so the applicable range of measured instruments is very wide.
The protection of voltage and current sources ensures high reliability under complex conditions.
Excellent Human-Computer Interaction: Large LCD touch screen display, touch and button operation modes, easy for users to measure manually.
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.
Specification
AC Voltage Output
Output Range: 3 mV ~ 1100 V; Display: 7 digits;
Distortion: <0.5 %;<1 % @ 10 mV…1 V ranges
Protection: Short-circuit protection, overload protection.
AC Current Output
Output Range: 30 μA ~ 30 A; Display: 7 digits;
Distortion: <0.5 %;<1 % @ 300 μA…10 mA ranges
Protection: Short-circuit protection, overload protection.
DC Voltage Output
Output Range: ±(3 mV ~ 1100 V); Resolution: 0.0005 %*RG; Display: 7 digits
Range Switching: Automatic or Manual.
DC Current Output
Output Range: ±(3 μA ~ 30 A); Resolution: 0.0005 %*RG; Display: 7 digits
Range Switching: Automatic or Manual.
AC/DC Power Output
Active Power (|cosφ| ≥0.5), Reactive Power (|sinφ| ≥0.5)
Capacitance
Resistance
Output Range of Resistance: 0 Ω ~ 1100 MΩ; Resolution: 0.0004 %*RG; Display: 7 digits
Thermal Resistance (RTD)
Thermocouple (TC)
Pulse
Frequency Range: 1 Hz ~ 2 MHz, TTL Level
Resolution: 0.001 %*RG
Accuracy: ±(0.002 %*RD + 20 μHz)
Jitter: <20 ns
DC Small Signal Measurement (Option)
Range: 1 V, 10 V, 2 mA, 20 mA
Measuring Range: ± (0 ~12 V);± (0 ~ 24 mA)
Accuracy: ±(0.006 %*RD + 0.004 %*RG)
Notes: Applied to measure the secondary DC signal of the transmitters.