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 6½ 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 Ω ~ 1100 MΩ, 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
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.