TD1500 is a wide range, high precision, multi-functional DC standard source precision instrument. It can directly output DC voltage, current, power and electric energy with high stability and high accuracy. The best measurement uncertainty has three specifications of Class 0.01 / Class 0.02 / Class 0.05, which is suitable for verification or calibration of various types of DC measuring instruments. The technical performance of the equipment is in the leading Class among similar products, and it is widely used in electric power, measurement, military industry, manufacturing, scientific research and other fields to establish DC measurement standards.
1. Summary
TD1500 is a wide range, high precision, multi-functional DC standard source precision instrument. It can directly output DC voltage, current, power and electric energy with high stability and high accuracy. The best measurement uncertainty has three specifications of Class 0.01 / Class 0.02 / Class 0.05, which is suitable for verification or calibration of various types of DC measuring instruments. The technical performance of the equipment is in the leading Class among similar products, and it is widely used in electric power, measurement, military industry, manufacturing, scientific research and other fields to establish DC measurement standards.
2. Product characteristics
• Standard source: 1 mV ~ 1100 V (1150 V @ electric energy selection)
• Standard source: 1 μ A ~33 A / 100 A (optional)
• Standard source of DC voltage: 100 μ V~4.4 V (optional)
• Measurement function of DC voltage: 10 μ V ~ 4.4 V (optional)
• A variety of quantity and value output mode
• Special automatic test software (optional)
• Support for remote control adjustment output (optional)
• Verification of DC electricity meter (functional option)
• Secondary signal measurement of the transmitter (functional option)
3. Application
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? Calibrate DC electrical measuring meter |
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• DC voltage standard source (DCV) output range: 1 mV ~ 1100 V (power type up to 1150 V) • DC current standard source (DCI) output range: 1 μ A ~ 33 A / 110 A (optional) (power type up to 120 A) • Class 0.01 specification instrument: suitable for calibrating DC voltmeter and ammeter of Class 0.05 and below, and suitable for calibrating DC power meter of Class 0.1 and below. • Class 0.02 specification instrument: suitable for calibrating AC voltmeter and ammeter of Class 0.1 and below, and suitable for calibrating DC power meter of Class 0.2 and below. • Class 0.05 specification instrument: suitable for calibrating AC voltmeter and ammeter of Class 0.2 and below, and suitable for calibrating DC power meter of Class 0.5 and below. |
Technical specifications
5.1 DC Voltage Output DCV
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Range
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Short-Term Stability (%/Min) |
Optimum Measurement Uncertainty (k=2) (Ppm*Rd+Ppm *Rg)? |
Maximum Load Current (mA)
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Class 0.05 |
Class 0.02 |
Class 0.01 |
Class 0.05 |
Class 0.02 |
Class 0.01 |
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10 mV |
0.01 |
0.005 |
0.003 |
200 + 5 μV |
100 + 5 μV |
100 + 5 μV |
100 |
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30 mV |
0.01 |
0.005 |
0.003 |
200 + 5 μV |
100 + 5 μV |
100 + 5 μV |
100 |
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100 mV |
0.01 |
0.005 |
0.003 |
200 + 5 μV |
100 + 5 μV |
100 + 5 μV |
100 |
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300 mV |
0.01 |
0.005 |
0.003 |
200 + 5 μV |
100 + 5 μV |
100 + 5 μV |
100 |
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1 V |
0.005 |
0.005 |
0.002 |
200 + 100 |
100 + 50 |
60 + 40 |
500 |
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3 V |
0.005 |
0.005 |
0.002 |
200 + 100 |
100 + 50 |
60 + 40 |
500 |
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10 V |
0.005 |
0.005 |
0.002 |
200 + 100 |
100 + 50 |
60 + 40 |
500 |
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30 V |
0.005 |
0.005 |
0.002 |
300 + 200 |
120 + 80 |
60 + 40 |
800 |
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100 V |
0.005 |
0.005 |
0.002 |
300 + 200 |
120 + 80 |
60 + 40 |
300 |
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300 V |
0.005 |
0.005 |
0.002 |
300 + 200 |
120 + 80 |
60 + 40 |
100 |
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600 V |
0.005 |
0.005 |
0.002 |
300 + 200 |
120 + 80 |
60 + 40 |
50 |
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1000 V |
0.005 |
0.005 |
0.002 |
300 + 200 |
120 + 80 |
60 + 40 |
30 |
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Note ?: RD is the read value and RG is the range value |
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• Voltage output range: 1 mV ~ 1100 V (or 1150 V @ power type option)
• Coripple coefficient: <0.5%, 7-bit decimal display
• Protection function: short-circuit protection, overload protection
5.2 DC current output DCI
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Range
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Short-Term Stability (%/Min) |
Optimum Measurement Uncertainty (k=2) (Ppm*Rd+Ppm *Rg)? |
Maximum Load Voltage (V)
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Class 0.05 |
Class 0.02 |
Class 0.01 |
Class 0.05 |
Class 0.02 |
Class 0.01 |
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10 μA |
0.01 |
0.01 |
0.01 |
300 + 200 |
300 + 200 |
300 + 200 |
11 |
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30 μA |
0.01 |
0.005 |
0.005 |
300 + 200 |
120 + 80 |
120 + 80 |
11 |
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100 μA |
0.01 |
0.005 |
0.005 |
300 + 200 |
120 + 80 |
120 + 80 |
11 |
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300 μA |
0.01 |
0.005 |
0.005 |
300 + 200 |
120 + 80 |
120 + 80 |
11 |
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1 mA |
0.01 |
0.005 |
0.003 |
300 + 200 |
120 + 80 |
100 + 50 |
11 |
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3 mA |
0.01 |
0.005 |
0.003 |
300 + 200 |
120 + 80 |
100 + 50 |
11 |
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10 mA |
0.01 |
0.005 |
0.003 |
300 + 200 |
120 + 80 |
100 + 50 |
11 |
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30 mA |
0.01 |
0.005 |
0.003 |
300 + 200 |
120 + 80 |
100 + 50 |
11 |
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100 mA |
0.01 |
0.005 |
0.003 |
300 + 200 |
120 + 80 |
100 + 50 |
11 |
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300 mA |
0.01 |
0.005 |
0.002 |
300 + 200 |
120 + 80 |
60 + 40 |
11 |
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1 A |
0.01 |
0.005 |
0.002 |
300 + 200 |
120 + 80 |
60 + 40 |
11 |
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3 A |
0.01 |
0.005 |
0.002 |
300 + 200 |
120 + 80 |
60 + 40 |
4 |
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10 A |
0.01 |
0.005 |
0.002 |
300 + 200 |
120 + 80 |
60 + 40 |
4 |
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30 A |
0.01 |
0.005 |
0.002 |
300 + 200 |
120 + 80 |
60 + 40 |
3 |
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100 A? |
0.01 |
0.005 |
0.002 |
300 + 200 |
120 + 80 |
60 + 40 |
3 |
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Note ?: RD is the read value and RG is the range value Note ?: The 100 A range is optional |
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• Current output range: 1 μ A ~33 A, ripple coefficient: <0.5%, 7-bit decimal display
• Optional 100 A current output option to extend the current output range to 1 μ A to 110 A (or 120 A @ power type option)
• Protection function: open-circuit protection, overload protection
5.3 DC Power / Energy Specification (power optional)
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Dc Power / Power
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Output Range |
A combination of a DC voltage and a DC current (or a small DC signal voltage) |
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Uncertainty Of Measurement |
Voltage measurement uncertainty + uncertainty of current measurement (or uncertainty of small DC signal voltage measurement) |
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Electric Energy Pulse
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Standard Electrical Energy Pulse Input |
The high-frequency full range value corresponds to 60 kHz; The low-frequency full range value corresponds to 6 Hz; |
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Pulse Output Frequency |
The output frequency jitter time was <10 μ s |
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Annual Stability Of The Clock Frequency |
Better than ± 50 ppm |
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Standard Electrical Energy Pulse Input |
Signal amplitude is 5V, with a TTL Class; capable ≤ 200 kHz; FH = 60 kHz power value / voltage range value / current range value FL = 60 kHz power value / voltage range value / current range value / 10000 |
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Electric Energy Error Display |
Automatically displayed with a resolution of 0.0001% |
5.4 DC small signal voltage output (optional)
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Range |
Short-term Stability (%/min) |
Measurement Uncertainty (k=2) (ppm*RD+ppm *RG/μV )? |
Maximum Load Current (mA) |
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1 mV |
1 μV |
120 + 2 μV |
≤10 |
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3 mV |
1 μV |
120 + 2 μV |
≤10 |
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10 mV |
1 μV |
120 + 2 μV |
≤10 |
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30 mV |
1 μV |
120 + 2 μV |
≤10 |
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100 mV |
0.005 |
120 + 80 |
≤10 |
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300 mV |
0.005 |
120 + 80 |
≤10 |
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1 V |
0.005 |
120 + 80 |
≤10 |
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4 V |
0.005 |
120 + 80 |
≤10 |
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Note ?: RD is the read value and RG is the range value |
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• Output range: ± (100 μ V~4.4 V), four-wire Kelvin connection
• Note: This function can be used as a current input for the indirect access DC electricity meter (corresponding to the shunt voltage)
5.5 Small DC signal measurement (optional)
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Voltage / Current range |
Measuring Range |
Optimum Measurement Uncertainty (k=2) (ppm*RD+ppm *RG) |
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1 V |
± (0~1.2) V |
60 + 40 |
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10 V |
± (0~12) V |
60 + 40 |
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2 mA |
± (0~2.4) mA |
60 + 40 |
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20 mA |
± (0~24) mA |
60 + 40 |
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Note : RD is the reading value and RG is the range value |
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6. General technical specifications
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Power Supply |
AC (220±22) V ?(50±2) Hz |
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Preheating time |
30 Minutes |
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Max. Power dissipation |
700 VA |
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Temperature Performance |
Operating temperature: 0°C~40°C Calibration temperature: 18°C~28°C Storage temperature: -20°C~70°C |
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Humidity Performance |
Working Humidity: <80% @ 30°C, <70% @ 40°C, and <40% @ 50°C Storage humidity: (20%~80%) R · H, no condensation |
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Altitude |
< 3000 m |
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Weight |
About 17.5kg |
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Connect mode |
The RS232 interface |
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Outline Dimension
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446 mm (W) × 522 mm (D) × 197 mm (H) |
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