TD1858 is a high precision and multi-function calibrator, integrates AC\DC voltage source, AC\DC current source, DC resistance source, etc. It is portable and very suitable for on-site calibration
1. Summary
TD1858 is a high precision and multi-function calibrator, integrates AC\DC voltage source, AC\DC current source, DC resistance source, etc. It is portable and very suitable for on-site calibration
2. Features
• DC voltage output: +(10 mV ~ 1020 V)?-(10 mV ~ 10.4 V)
• DC current output: ± (10 μA ~ 10.2 A)
• AC voltage output: 10 mV ~ 1020 V
• AC current output: 10 μA ~ 10.4 A
• Sinusoidal Wave frequency: 10 Hz ~ 20 kHz
• Simulated DC resistance?1 Ω ~ 220 MΩ
• 2 MHz Square wave frequency output
• Thermocouple outputs (optional)
• Clamp meter calibration (optional)
• 4.3-inch Color Touch Screen
3. Application

6. Specifications
6.1 DC Voltage Output
|
Range |
Resolution |
Accuracy ± (ppm*RD + μV) [1] |
Max Burden (mA) |
Ripple Factor (%) |
||
|
24 hours (23±1)°C |
90 days (23±5)°C |
1 year (23±5)°C |
||||
|
100mV |
1 μV |
40 + 10 |
64 + 10 |
80 + 10 |
100 |
<0.1 |
|
1 V |
10 μV |
40 + 30 |
64 + 30 |
80 + 30 |
100 |
<0.1 |
|
10 V |
100 μV |
40 + 300 |
64 + 300 |
80 + 300 |
100 |
<0.1 |
|
100 V |
1 mV |
40 + 3000 |
64 + 3000 |
80 + 3000 |
25 |
<0.1 |
|
1000 V |
10 mV |
40 + 30000 |
64 + 30000 |
80 + 30000 |
12 |
<0.1 |
|
Note [1]: RD is the reading value, same below. |
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• Output range: +(10 mV ~ 1020 V)?-(10 mV ~ 10.4 V)
• 6 digits display
• Short-circuit and overload protection
6.2 DC Current Output
|
Range |
Resolution |
Accuracy ± (%*RD + μA) |
Compliance Voltage (V) |
Ripple Factor (%) |
||
|
24 hours (23±1)°C |
90 days (23±5)°C |
1 year (23±5)°C |
||||
|
100 μA |
1 nA |
0.01+0.03 |
0.016+0.03 |
0.02+0.03 |
8 |
<0.5 |
|
1 mA |
10 nA |
0.01+0.1 |
0.016+0.1 |
0.02+0.1 |
8 |
<0.2 |
|
10 mA |
100 nA |
0.01+ 1 |
0.016+ 1 |
0.02+ 1 |
8 |
<0.1 |
|
100 mA |
1 μA |
0.01+ 10 |
0.016+ 10 |
0.02+ 10 |
8 |
<0.1 |
|
1 A |
10 μA |
0.01+ 100 |
0.016+ 100 |
0.02+ 100 |
4.2 |
<0.1 |
|
10 A |
100μA |
0.015+ 2000 |
0.024+ 2000 |
0.03+ 2000 |
3.9 |
<0.1 |
• Output range: ± (10 μA ~ 10.2 A)
• 6 digits display
• Open-circuit and overload protection
6.3 AC Voltage Output
|
Range
|
Resolution
|
Frequency (Hz)
|
Accuracy ±(%*RD + mV) |
Max Burden (mA)
|
Harmonic (%)
|
||
|
24 hours (23±1)°C |
90 days (23±5)°C |
1 year (23±5)°C |
|||||
|
100 mV
|
1 μV
|
10 ~ 2k |
0.02 + 0.03 |
0.032 + 0.03 |
0.04 + 0.03 |
100
|
<0.5
|
|
2k ~ 20k |
0.03 + 0.05 |
0.048 + 0.05 |
0.06 + 0.05 |
||||
|
1 V
|
10 μV
|
10 ~ 2k |
0.015 + 0.2 |
0.024 + 0.2 |
0.03 + 0.2 |
100
|
<0.5
|
|
2k ~ 20k |
0.025 + 0.5 |
0.040 + 0.5 |
0.05 + 0.5 |
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|
10 V
|
100 μV
|
10 ~ 2k |
0.015 + 2 |
0.024 + 2 |
0.03 + 2 |
100
|
<0.5
|
|
2k ~ 20k |
0.025 + 5 |
0.040 + 5 |
0.05 + 5 |
||||
|
100 V |
1 mV |
40 ~ 1k |
0.03 + 30 |
0.048 + 30 |
0.06 + 30 |
20 |
<0.5 |
|
1000 V |
10 mV |
40 ~ 1k |
0.03 + 300 |
0.048 + 300 |
0.06 + 300 |
12 |
<0.5 |
• Output range: 10 mV ~ 11 V @ 10 Hz ~ 20 kHz, 10 V~1020V @ 40 Hz~1 kHz
• 6 digits display
• Short-circuit and overload protection
6.4 AC Current Output
|
Range |
Resolution
|
Frequency (Hz)
|
Accuracy ±(%*RD+μA) |
Compliance Voltage (V)
|
Harmonic (%)
|
||
|
24 hours (23±1)°C |
90 days (23±5)°C |
1 year (23±5)°C |
|||||
|
100 μA |
1 nA |
10 ~ 2k |
0.03+0.24 |
0.048+0.24 |
0.06+0.24 |
6 |
<0.5 |
|
1 mA |
10 nA |
10 ~ 2k |
0.025+0.5 |
0.04+0.5 |
0.05+0.5 |
6 |
<0.5 |
|
10 mA |
100 nA |
10 ~ 2k |
0.025+5 |
0.04+5 |
0.05+ 5 |
6 |
<0.5 |
|
100 mA |
1 μA |
10 ~ 2k |
0.025+50 |
0.04+50 |
0.05+50 |
6 |
<0.5 |
|
1 A |
10 μA |
10 ~ 2k |
0.025+600 |
0.04+600 |
0.05+600 |
4 |
<0.5 |
|
10 A |
100 μA |
10 ~ 2k |
0.03+9000 |
0.048+9000 |
0.06+9000 |
3.6 |
<0.5 |
• Output range: 10 μA ~ 10.4 A @ 10 Hz ~ 2 kHz
• 6 digits display
• Open-circuit and overload protection
6.5 Simulated DC Resistance
|
Range |
Resolution |
Accuracy?±(%*RD+Ω) |
Allowable Current |
||
|
24 hours (23±1)°C |
90 days (23±5)°C |
1 year (23±5)°C |
|||
|
10 Ω |
100 μΩ |
0.025 + 0.05 |
0.03+0.05 |
0.05+0.05 |
1mA~150 mA |
|
100 Ω |
1 mΩ |
0.015+0.02 |
0.024+0.02 |
0.03+0.02 |
1mA~80 mA |
|
1 kΩ |
10 mΩ |
0.015+0.2 |
0.024+0.2 |
0.03+0.2 |
0.1mA~8 mA |
|
10 kΩ |
100 mΩ |
0.015+2 |
0.024+2 |
0.03+ 2 |
10μA~800μA |
|
100 kΩ |
1 Ω |
0.015+2 |
0.024+2 |
0.03+ 20 |
10μA~200μA |
|
1 MΩ |
10 Ω |
0.015+20 |
0.024+20 |
0.03+ 200 |
1μA~20 μA |
|
10 MΩ |
100 Ω |
0.03 + 4000 |
0.048 + 4000 |
0.06+ 4000 |
0.25μA~20 μA |
|
100 MΩ |
1 kΩ |
0.15 + 200k |
0.24 + 200k |
0.3+200k |
25nA~200nA |
|
200 MΩ |
1 kΩ |
0.18 + 500k |
0.28 + 500k |
0.35+500k |
15nA~100nA |
• Output range: 10 Ω ~ 220 MΩ
• 6 digits display
• Over-current and reverse connection protection
6.6 Sinusoidal Wave Frequency Output
|
Range[2] |
Resolution |
Accuracy |
|
10.0000 Hz ≤ F ≤ 99.9999 Hz |
0.1 mHz |
±0.01% |
|
100.000 Hz ≤ F ≤ 999.999 Hz |
1 mHz |
±0.01% |
|
1.000 00kHz ≤ F ≤ 9.999 99kHz |
10 mHz |
±0.01% |
|
10.000 0 kHz ≤ F ≤ 20.000 0 kHz |
0.1 Hz |
±0.01% |
|
Note [2]: The output mode is AC voltage or AC current. |
||
6.7 Pulse Frequency Output
|
Range [3] |
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 [3]?The output type is TTL level. |
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6.8 Thermocouple Output (optional)
|
Type
|
Range[4] [5] °C
|
Accuracy (°C) @ (23±5)°C[6] |
||
|
min |
max |
90 days |
1 year |
|
|
J
|
-210 |
-100 |
0.32 |
0.40 |
|
-100 |
760 |
0.16 |
0.20 |
|
|
760 |
1200 |
0.28 |
0.35 |
|
|
K
|
-200 |
-100 |
0.40 |
0.50 |
|
-100 |
120 |
0.20 |
0.25 |
|
|
120 |
1370 |
0.36 |
0.45 |
|
|
T
|
-200 |
-150 |
0.80 |
1.00 |
|
-150 |
400 |
0.16 |
0.20 |
|
|
R
|
-50 |
250 |
1.20 |
1.50 |
|
250 |
1760 |
0.72 |
0.90 |
|
|
S
|
-50 |
250 |
1.20 |
1.50 |
|
250 |
1760 |
0.72 |
0.90 |
|
|
B |
410 |
1820 |
1.12 |
1.40 |
|
N
|
-200 |
-100 |
0.64 |
0.80 |
|
-100 |
410 |
0.28 |
0.35 |
|
|
410 |
1300 |
0.36 |
0.45 |
|
|
E
|
-250 |
-100 |
0.64 |
0.80 |
|
-100 |
650 |
0.16 |
0.20 |
|
|
650 |
1000 |
0.20 |
0.25 |
|
|
L |
-200 |
900 |
0.48 |
0.60 |
|
U |
-200 |
900 |
0.60 |
0.75 |
|
C
|
0 |
1000 |
0.40 |
0.50 |
|
1000 |
2310 |
1.04 |
1.30 |
|
|
Note [4]: temperature display resolution: 0.01 °C; Note [5]: Internal resistance of output source: 10 Ω; Note [6]: thermocouple error is not included. Note [7]: Use external compensation, J, K, T, R, S, B, N, E conform to ITS-90 international temperature standard, L, U conform to DIN 43710-1985 standard, C conform to ASTM standard. |
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7. General Specifications
|
Power supply |
AC (220±22) V?(50±2) Hz |
|
Maximum power consumption |
500 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 |
RS232×1?LAN×1?USB×1 |
|
Dimensions
|
210 mm(W)× 365 mm (D) ×266 mm (H)?excluding handles and feets. |
|
|
|
|
Weight |
About 9.5 kg |