- Overview
- Company Profile
Basic Info.
Model NO.
TD1570
Voltage Output
10mV~1150V
Current Output
Other
Customized
Non-Customized
Transport Package
Package for Exporting
Trademark
TUNKIA
Origin
China
Production Capacity
1000
Packaging & Delivery
Package Size
350.00cm * 80.00cm * 160.00cm
Package Gross Weight
200.000kg
Product Description
TD1570 Verification Apparatus for Indirect Connected DC Energy Meters
* This is for your reference only,the configuration and details may vary depending on the application scenarios
1. summary TD1570 is a device dedicated to the verification of indirect connected DC energy meters, which is composed of DC standard voltage source, DC small signal voltage standard source, multi meter location verification platform, verification software, etc. Support the automatic verification of indirect connected DC energy meters.
2. Features
- Power/electric energy measurement: class 0.05.
- DC standard voltage source:10 mV~1150 V / 1550 V(option)
- DC small signal voltage source(four-line):10 μV~4.4 V
- Optional 6/12/16 meter position indirect connected DC energy meters verification platform.
- Standard electric energy pulse input/output, used to detect the working error of electric energy meter
- Auxiliary power supply is used to supply power for electronic meters for measuring DC electrical energy(type A).
- Standard second pulse measurement is used to detect the daily timing error of the electric energy meter
- Mobile measurement and control station, which can observe or control the output through the LCD touch screen
3. Applications
| ☆ Verification of DC Energy Meter |
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4. Characteristics
| ☆ DC Energy Meter Press Bracket |
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| ☆ Clock Check Function | ||
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| ☆ Auxiliary Power Supply | ||
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| ☆ Four wire small signal voltage source |
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| ☆ Professional test software |
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5. Specifications
5.1 DC Voltage Output
| Range | Resolution | Short Term Stability (% / min) | Accuracy (k=2) (ppm of reading + ppm of range) [1] | Maximum Burden Current (mA) | Ripple ( % ) |
| 100 mV | 1 μV | 0.005 | 120 + 80 | 300 | < 0.2 |
| 300 mV | 1 μV | 0.005 | 120 + 80 | 300 | < 0.2 |
| 1 V | 10 μV | 0.005 | 120 + 80 | 300 | < 0.2 |
| 3 V | 10 μV | 0.005 | 120 + 80 | 300 | < 0.2 |
| 10 V | 0.1 mV | 0.005 | 120 + 80 | 300 | < 0.2 |
| 30 V | 0.1 mV | 0.005 | 120 + 80 | 300 | < 0.2 |
| 100 V | 1 mV | 0.005 | 120 + 80 | 300 | < 0.2 |
| 300 V | 1 mV | 0.005 | 120 + 80 | 150 | < 0.2 |
| 600 V | 1 mV | 0.005 | 120 + 80 | 50 | < 0.2 |
| 1000 V | 10 mV | 0.005 | 120 + 80 | 50 | < 0.2 |
| 1500 V [2] | 10 mV | 0.005 | 120 + 80 | 20 | < 0.2 |
| Note [1] : (ppm = parts per million) (e.g.,10ppm = 0.001%). [2]:1500V range is an option. | |||||
- Output range:10 mV~1150 V, 6-bit display
- 1500 V voltage output option can be selected to expand the voltage output range to 10 mV ~ 1550 V
- Protection function: Short circuit protection, overload protection
5.2 DC Small Signal Voltage Output [3]
| Range | Resolution | Short Term Stability (% / min) | Accuracy (k=2) (ppm of reading + ppm of range) | Maximum Burden Current (mA) | Ripple ( % ) |
| 1 mV | 10 nV | 0.1 μVrms | 120 + 0.3 μV | - | < 0.2 |
| 3 mV | 10 nV | 0.3 μVrms | 120 + 1 μV | - | < 0.2 |
| 10 mV | 0.1 μV | 1 μVrms | 120 + 3 μV | - | < 0.2 |
| 30 mV | 0.1 μV | 0.002 | 120 + 80 | - | < 0.2 |
| 100 mV | 1 μV | 0.002 | 120 + 80 | - | < 0.2 |
| 300 mV | 1 μV | 0.002 | 120 + 80 | ≤ 10 | < 0.2 |
| 1 V | 10 μV | 0.002 | 120 + 80 | ≤ 10 | < 0.2 |
| 4 V | 10 μV | 0.002 | 120 + 80 | ≤ 10 | < 0.2 |
| Note: [3] When the indirect connected DC energy meters is verified separately, it can be used as its current input (corresponding to the shunt voltage) | |||||
- Output range:± ( 10 μV~4.4 V ),6-bit display
- The specification and current voltage ratio of the shunt can be set, and the output value can be displayed according to the voltage or current converted by the shunts.
5.3 Daily timing error
- Annual measurement uncertainty of device standard clock:2×10-7
- Daily timing error supports two error display modes: s/d and ppm/ppb
5.4 DC electric energy index
| DC Power/Electric Energy | Range | Combination of DC voltage and DC current (or DC small signal voltage) |
| Accuracy | Uncertainty of voltage measurement+uncertainty of current measurement (or uncertainty of DC small signal voltage measurement) | |
| Electric energy pulse | Standard Electric Energy Pulse Output | High frequency full range value corresponds to 60 kHz; Low frequency full range value corresponds to 6 Hz; |
| Pulse Output Frequency | Output frequency jitter time<10 μ s | |
| Standard Electric Energy Pulse Input | Signal amplitude is 5V, TTL level; Able to receive high-frequency pulses ≤ 150 kHz; FH=60 kHz × Power value ÷ voltage range value ÷ current range value FL=60 kHz × Power value ÷ voltage range value ÷ current range value ÷ 10000 | |
| Electric Energy Error Display | Automatic display, resolution 0.0001% | |
| Difference At Different Epitope | < ± 0.025% | |
5.5 Auxiliary power supply
| DC Power Output | OutputVoltage | 24 V |
| Maximum Burden Current | 120 mA / Epitope | |
| Protection Function | Replaceable fuse protection | |
| AC Power Output | Output Voltage | 220 V |
| Maximum Burden Current | 20 mA / Epitope | |
| Protection Function | Replaceable fuse protection |
6. General Specifications
| Power Supply | AC (220±22) V,(50±2) Hz |
| Temperature Performance | Working temperature:0°C~45°C; Calibration temperature:18°C~28°C; Storage temperature:-20°C~70°C |
| Humidity Performance | Working humidity:< 80% @ 30°C,< 70% @ 40°C,< 40% @ 50°C Storage humidity:(20%~80%) R·H,No condensation |
| Interface | RS232 |
7. Ordering Information
