TD1855 is a multi-function calibrator, integrates AC\DC voltage source, AC\DC current source, DC resistance source, etc. The accuracy class is 0.05. It’s applied to calibrating 3.5 digits multimeter, voltmeter, ammeter, ohmmeter, power meter.
1. Summary
TD1855 is a multi-function calibrator, integrates AC\DC voltage source, AC\DC current source, DC resistance source, etc. The accuracy class is 0.05. It’s applied to calibrating 3.5 digits multimeter, voltmeter, ammeter, ohmmeter, power meter.
2. Features
• DC voltage output: 20 mV ~ 1100 V
• DC current output: 2 μA ~ 22 A?33 A is optional?
• AC voltage output: 20 mV ~ 1100 V
• AC current output: 200 μA ~ 22 A?33 A is optional?
• Sinusoidal wave frequency: 45 Hz ~ 1100 Hz
• Simulated DC resistance: 10 Ω ~ 220 MΩ
• 2 MHz square wave frequency output
• Phase output
• AC/DC power output
• Remote adjustment (optional)
• Clamp meter calibration (optional)
• Transducer calibration(optional)
• 5.6-inch Color Touch Screen
3. Application

6.Specifications
6.1 DC Voltage/Current Output
|
Range |
Resolution |
Stability (±%/min) |
Accuracy ±(ppm*RD+ppm*RG)[1] |
Max burden (mA) |
Ripple Factor(%) |
|
200 mV |
1 μV |
0.01 |
300 + 200 |
300 |
<0.5 |
|
2 V |
10 μV |
0.01 |
300 + 200 |
500 |
<0.5 |
|
10 V |
100 μV |
0.01 |
300 + 200 |
500 |
<0.5 |
|
30 V |
100 μV |
0.01 |
300 + 200 |
800 |
<0.5 |
|
100 V |
1 mV |
0.01 |
300 + 200 |
300 |
<0.5 |
|
300 V |
1 mV |
0.01 |
300 + 200 |
100 |
<0.5 |
|
600 V |
1 mV |
0.01 |
300 + 200 |
50 |
<0.5 |
|
1000 V |
10 mV |
0.01 |
300 + 200 |
30 |
<0.5 |
|
Range |
Resolution |
Stability (±%/min) |
Accuracy ±(ppm*RD+ppm*RG) |
Compliance Voltage (V) |
Ripple Factor(%) |
|
20μA |
100pA |
0.01 |
300 + 200 |
10 |
<0.5 |
|
200μA |
1 nA |
0.01 |
300 + 200 |
9 |
<0.5 |
|
2mA |
10 nA |
0.01 |
300 + 200 |
9 |
<0.5 |
|
20mA |
100 nA |
0.01 |
300 + 200 |
9 |
<0.5 |
|
200 mA |
1 μA |
0.01 |
300 + 200 |
9 |
<0.5 |
|
2 A |
10 μA |
0.01 |
300 + 200 |
3.5 |
<0.5 |
|
10 A |
100 μA |
0.01 |
300 + 200 |
2.5 |
<0.5 |
|
20 A (30 A)[2] |
100 μA |
0.01 |
300 + 200 |
2.5 |
<0.5 |
|
Note[1]: RD is the reading value, RG is the range value; Note[2]: The 30 A range is optional. |
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• Voltage output range: 20 mV ~ 1100 V
• Current output range: 2 μA ~ 22 A\33 A
• Protections: voltage source short-circuit protection, current source open-circuit protection, overload protection
6.2 AC Voltage/Current Output
|
Range |
Resolution |
Stability (±%/min) |
Accuracy ±(ppm*RD+ppm*RG) |
Max Burden (mA) |
Harmonic (%) |
|
200 mV |
1 μV |
50 μV |
300 + 60 μV |
500 |
<1.0 |
|
2 V |
10 μV |
0.01 |
300 + 200 |
500 |
<0.5 |
|
10 V |
100 μV |
0.01 |
300 + 200 |
800 |
< 0.5 |
|
30 V |
100 μV |
0.01 |
300 + 200 |
800 |
< 0.5 |
|
100 V |
1 mV |
0.01 |
300 + 200 |
300 |
< 0.5 |
|
300 V |
1 mV |
0.01 |
300 + 200 |
100 |
< 0.5 |
|
600 V |
1 mV |
0.01 |
300 + 200 |
50 |
< 0.5 |
|
1000 V |
10 mV |
0.01 |
300 + 200 |
30 |
< 0.5 |
|
Range |
Resolution |
Stability (±%/min) |
Accuracy ±(ppm*RD+ppm*RG) |
Compliance Voltage (V) |
Harmonic (%) |
|
2 mA |
10 nA |
0.6 μA |
300 +0.6 μA |
50 |
<0.5 |
|
20 mA |
100 nA |
0.01 |
300 + 200 |
50 |
<0.5 |
|
200 mA |
1 μA |
0.01 |
300 + 200 |
50 |
<0.5 |
|
1 A |
10 μA |
0.01 |
300 + 200 |
15 |
<0.5 |
|
2 A |
10 μA |
0.01 |
300 + 200 |
10 |
<0.5 |
|
5 A |
10 μA |
0.01 |
300 + 200 |
5 |
<0.5 |
|
20 A(30 A)[1] |
100 μA |
0.01 |
300 + 200 |
2.5 |
<0.5 |
|
Note [1]: 30 A range is optional. |
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• Voltage output range: 20 mV ~ 1100 V
• Current output range: 2 μA ~ 22 A\33 A
• Voltage and current output frequency: 45 Hz ~ 1100 Hz
• Protections: voltage source short-circuit protection, current source open-circuit protection, overload protection
6.3 Simulated DC Resistance
|
Range |
Resolution |
Accuracy ± (ppm*RD+ppm*RG) |
Allowable Current |
|
100 Ω |
1 mΩ |
300 + 200 |
1mA?80 mA |
|
300 Ω |
1 mΩ |
300 + 200 |
1mA?80 mA |
|
1 kΩ |
10 mΩ |
300 + 200 |
100μA?8 mA |
|
3kΩ |
10 mΩ |
300 + 200 |
100μA?8 mA |
|
10 kΩ |
100 mΩ |
300 + 200 |
10μA?0.8 mA |
|
30 kΩ |
100 mΩ |
300 + 200 |
10μA?0.8 mA |
|
100 kΩ |
1 Ω |
300 + 200 |
10μA?0.8 mA |
|
300 kΩ |
1 Ω |
300 + 200 |
1μA?80 μA |
|
1 MΩ |
10 Ω |
300 + 200 |
1μA?80 μA |
|
10 MΩ |
100 Ω |
600 + 400 |
100nA?8 μA |
|
100 MΩ |
1000 Ω |
3000 + 2000 |
10nA?0.8 μA |
|
200 MΩ |
1000 Ω |
3500 + 2500 |
10nA?0.8 μA |
• Output range: 10 Ω ~ 220 MΩ
• Over-current and reverse connection protection
6.4 Sinusoidal Wave Frequency Output
|
Output Range[1] |
Resolution |
Accuracy |
|
45.0000 Hz ≤ F ≤ 99.9999 Hz |
0.0001 Hz |
±0.01% |
|
100.000 Hz ≤ F ≤ 999.999 Hz |
0.001 Hz |
±0.01% |
|
1000.00 Hz ≤ F ≤ 1100.00 Hz |
0.01 Hz |
±0.01% |
|
Note [1]: The output mode is AC voltage or AC current. |
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6.5 AC/DC Power Output
|
Frequency Range (f) |
Voltage Range (U) |
Current Range (I) |
Optimum Accuracy %*power output [1][2] |
|
DC |
20 mV ~ 1100 V |
2 μA ~ 22 A/33 A |
±0.1 |
|
45 Hz ~ 65 Hz |
3 V ~ 600 V |
0.2 mA ~ 22 A/33 A |
±0.1 |
|
|
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6.6 Phase and Power Factor Output?45 Hz?65 Hz?
|
Phase |
Power Factor |
Accuracy |
||
|
WATTS |
VARS |
λ=cosφ |
Phase |
Power Factor |
|
0° |
90° |
1.0000 |
0.1° |
0.000% |
|
10° |
80° |
0.9848 |
0.1° |
0.031% |
|
20° |
70° |
0.9397 |
0.1° |
0.064% |
|
30° |
60° |
0.8660 |
0.1° |
0.101% |
|
40° |
50° |
0.7660 |
0.1° |
0.147% |
|
50° |
40° |
0.6429 |
0.1° |
0.208% |
|
60° |
30° |
0.5000 |
0.1° |
0.302% |
|
70° |
30° |
0.3420 |
0.1° |
0.480% |
|
80° |
10° |
0.1737 |
0.1° |
0.990% |
|
90° |
0° |
0.0000 |
0.1° |
— |
|
Note [1]: Phase range: 0.000 °~ 359.999 °, fineness: 0.005 ° Note [2]: Power factor range: -1 ~ 0 ~ 1, fineness: 0.000 1 Note [3]: Calculation formulas for the accuracy of other power factor:
|
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6.7 Pulse Frequency Output
|
Range[1] |
Resolution |
Accuracy |
Shake |
|
1.000 00 Hz ≤ F ≤ 9.999 99 Hz |
10 μHz |
± (20 ppm*RD + 20 μHz) |
<20 ns |
|
10.000 0 Hz ≤ F ≤ 99.999 9 Hz |
0.1 mHz |
||
|
100.000 Hz ≤ F ≤ 999.999 Hz |
1 mHz |
||
|
1.000 00 kHz ≤ F ≤ 9.999 99 kHz |
10 mHz |
||
|
10.000 0 kHz ≤ F ≤ 99.999 9 kHz |
0.1 Hz |
||
|
100.000 kHz ≤ F ≤ 999.999 kHz |
1 Hz |
||
|
1.000 00 MHz ≤ F ≤ 2.000 00 MHz |
10 Hz |
||
|
Note [1]: The output type is TTL level. |
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6.8 DC Small-signal Measurement (optional)
|
Type |
Range |
Range |
Accuracy |
|
DCV
|
1 V |
± (0?1.2) V |
±(0.006%*RD + 0.004%*RG) |
|
10 V |
± (0?12) V |
±(0.006%*RD + 0.004%*RG) |
|
|
DCI
|
2 mA |
± (0?2.4) mA |
±(0.006%*RD + 0.004%*RG) |
|
20 mA |
± (0?24) mA |
±(0.006%*RD + 0.004%*RG) |
7. General Specifications
|
Power supply |
AC (220±22) V?(50±2) Hz |
|
Maximum power consumption |
600 VA |
|
Warm up time |
Twice the time since last warmed up, to a maximum of 30 minutes. |
|
Temperature performance |
Operating temperature: 0°C ~ 40°C Calibration temperature: 18°C~ 28°C Storage temperature: -20°C ~ 70°C |
|
Humidity performance |
Operating humidity: <80% @ 30°C?<70% @ 40°C Storage humidity: (20%~80%) R·H?No condensation |
|
Communication interface |
RS232 |
|
Dimensions
|
475 mm(W)×400 mm (D) ×190 mm (H), excluding handles and feets. |
|
|
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|
Weight |
About 19.5 kg |