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TD1870 Multifunction Calibrator

TD1870  is a multi-function calibrator with wide range and high accuracy, integrates AC/DC voltage and current standard source, can output excellent DC\AC voltage, DC\AC current, DC\AC power, phase, frequency, and analog resistance etc. It’s applied for calibrating 5.5 digits or less digital multimeters.
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  • TD1870

  • TUNKIA

TD1870 Multifunction Calibrator

TD1870 Multifunction Calibrator

1. Summary of TD1870 Multifunction Calibrator

TD1870 is a multi-function calibrator with wide range and high accuracy, integrates AC/DC voltage and current standard source, can output excellent DC\AC voltage, DC\AC current, DC\AC power, phase, frequency, and analog resistance etc. It’s applied for calibrating 5.5 digits or less digital multimeters.


2. Features of TD1870 Multifunction Calibrator

DC voltage output: ± (0 ~ 1020 V)

DC current output: ± (0 ~ 20.5 A)

AC voltage output: 1 mV ~ 1020 V

AC current output: 29 μA ~ 20.5 A

Sinusoidal wave frequency: 10 Hz ~ 500 kHz

Simulated DC resistance: 0 Ω ~ 1100 MΩ

2 MHz square wave frequency output

Phase output

AC/DC power output

Thermocouple output(optional)

Thermal resistance output(optional)

Clamp meter calibration (optional)

•  7.0-inch Color Touch Screen


3. Application of TD1870 Multifunction Calibrator

TD1870 Multifunction Calibrator Application




Calibrate AC\DC electrical measuring instruments

TD1870 Multifunction Calibrator Calibrate AC\DC electrical measuring instruments

DCV Output: ± (0 ~ 1020 V)

DCI Output: ±(0 ~ 20.5 A)

ACV Output: 1 mV ~ 1020 V、10 Hz ~ 500 kHz

ACI Output: 29 μA ~ 20.5 A、10 Hz ~ 30 kHz

RES Output: 0 Ω ~ 1100 MΩ

F Output: 1 Hz ~ 2 MHz

Calibrate digital multimeter, AC/DC voltmeter, AC/DC ammeter, DC ohmmeter, frequency meter.


Calibrate AC\DC power meters

TD1870 Multifunction Calibrator Calibrate AC\DC power meters

Calibrate DC power meter, real power meter, phantom power meter, apparent power meter, power frequency phase meter and power factor meter.


Calibrate temperature meters(optional)

TD1870 Multifunction Calibrator Calibrate temperature meters(optional)

Type of thermocouple (TC) output and measurement: B, E, J, K, N, R, S, T (8 types)

Type of thermal resistance ( RTD ) output: Pt385-100Ω、Pt385-200Ω、Pt385-500Ω、Pt385-1000Ω、Cu50、Cu100 (6 types) 


Calibrate clamp ammeter (optional)

TD1870 Multifunction Calibrator Calibrate clamp ammeter (optional)

Equivalent to 1000AT current through input 20A current to the 50T Coil, which is suitable for calibrating DC clamp meters.



4. Panel Features of TD1870 Multifunction Calibrator

Front panel

TD1870 Multifunction Calibrator Panel Features

Item

Description

LCD touchable screen.

Operation panel.

Pulse frequency output terminal.

Simulated DC resistance, RTD, Auxiliary voltage output terminals.

Simulated capacitance output terminals.

AC/DC voltage output terminals.

Thermocouple output terminals.

AC/DC current output terminals.



Rear\Side Panel

TD1870 Multifunction Calibrator Rear\Side Panel

Item

Description

Handle: used for carrying instruments

Foldable feets

USB/LAN/RS232

AC 220V power interface

power switch

Chassis ground binding post

Cooling vents


5. Characteristics of TD1870 Multifunction Calibrator

Wide output range

Wide Output Range


High stability and accuracy

The DC voltage stability is up to 4 ppm/24h.


4-terminals Simulated DC resistance

TD1870 Multifunction Calibrator 4-terminals Simulated DC resistance

2-terminals and 4-terminals resistance wiring mode. When calibrating the low value resistance, the four wire system wiring mode can effectively eliminate the measurement error caused by the resistance of the test lead and improve the measurement accuracy.

Compared with the standard physical resistance box, the analog resistance output has the following characteristics:

Continuously adjustable, with better adjustment fineness and sensitivity

Smaller size and lighter weight

No influence of transfer switch error, residual resistance error and contact resistance error.



Multiple output\adjustment methods

TD1870 Multifunction Calibrator Multiple output\adjustment methods

Direct output” mode: the value output can be set directly by physical key or touch screen.


Multiple output\adjustment methods

TD1870 Multifunction Calibrator Multiple output\adjustment methods

Rotary Knob” mode, User can set in clockwise direction or anticlockwise direction.

TD1870 Multifunction Calibrator Multiple output\adjustment methods

Use the key 10%10%、×10÷10 on the front panel, can realize the adjustment of the quantity value, and can also be used to perform the relevant test of linearity.





6. Specifications of TD1870 Multifunction Calibrator

6.1 DC Voltage Output of TD1870 Multifunction Calibrator


Range

Output Range

Accuracy (Tcal±5°C)

Stability

(Tcal±1°C)

Resolution

Max Burden [Source internal resistance]

±(ppm*output + μV)

90 days

1 year

24 hours

300 mV

0~330.0000 mV

50 + 3

60 + 3

5 + 1

100 nV

[60 Ω]

3 V

0~3.300000 V

40 + 5

50 + 5

4 + 3

1 μV

20 mA

30 V

0~33.00000 V

40 + 50

50 + 50

4 + 30

10 μV

15 mA

300 V

30.0000 V~330.0000 V

45 + 500

55 + 500

4.5 + 300

100 μV

10 mA

1000 V

100.000 V~1020.000 V

45 + 1500

55 + 1500

4.5 + 900

1 mV

10 mA


Manual or automatic range switch.

Short-circuit and overload protection.


6.2 DC Current Output of TD1870 Multifunction Calibrator


Range

Output Range

Accuracy(Tcal±5°C)

±(ppm*output + μA)

Resolution

Compliance Voltage (V)

Max Inductive Load

90 days

1 year

300 μA

0~330.000 μA

112 + 0.02

140 + 0.02

1 nA

11 V

400 μH

3 mA

0~3.30000 mA

72 + 0.04

90 + 0.04

10 nA

11 V

30 mA

0~33.0000 mA

72 + 0.25

90 + 0.25

100 nA

9 V

300 mA

0~330.000 mA

72 + 2.5

90 + 2.5

1 μA

7 V

1 A

0~1.10000 A

200 + 44

250 + 40

10 μA

6 V

3 A

1.00000 A~3.30000 A

240 + 44

300 + 40

10 μA

6 V

20 A

3.0000 A~20.5000 A

480 + 500

600 + 500

100 μA

4 V


Manual or automatic range switch.

Open-circuit and overload protection.

Supports continuous and long-term output of current under full range.


6.3 Simulated DC resistance of TD1870 Multifunction Calibrator


Range

Output Range

Accuracy, (Tcal±5°C)

±(ppm*output + Ω)

Resolution

Allowable Current

90 days

1 year

10 Ω

0 Ω~11.00000 Ω

80 + 0.01

100 + 0.01

10 μΩ

1 mA~150 mA

30 Ω

10.00000 Ω~33.00000 Ω

80 + 0.015

100 + 0.015

10 μΩ

1 mA~150 mA

100 Ω

30.0000 Ω~110.0000 Ω

64 + 0.015

80 + 0.015

100 μΩ

1 mA~80 mA

300 Ω

100.0000 Ω~330.0000 Ω

64 + 0.02

80 + 0.02

100 μΩ

1 mA~40 mA

1 kΩ

0.300000 kΩ~1.100000 kΩ

64 + 0.02

80 + 0.02

1 mΩ

1 mA~20 mA

3 kΩ

1.000000 kΩ~3.300000 kΩ

64 + 0.2

80 + 0.2

1 mΩ

0.1 mA~6 mA

10 kΩ

3.00000 kΩ~11.00000 kΩ

64 + 0.1

80 + 0.1

10 mΩ

0.1 mA~2 mA

30 kΩ

10.00000 kΩ~33.00000 kΩ

64 + 1

80 + 1

10 mΩ

10 μA~0.6 mA

100 kΩ

30.0000 kΩ~110.0000 kΩ

80 + 1

100 + 1

100 mΩ

10 μA~0.2 mA

300 kΩ

100.0000 kΩ~330.0000 kΩ

80 + 10

100 + 10

100 mΩ

1 μA~60 μA

1 MΩ

0.300000 MΩ~1.100000 MΩ

104 + 10

130 + 10

1 Ω

1 μA~20 μA

3 MΩ

1.000000 MΩ~3.300000 MΩ

104 + 150

130 + 150

1 Ω

0.25 μA~6 μA

10 MΩ

3.00000 MΩ~11.00000 MΩ

400 + 250

500 + 250

10 Ω

0.25 μA~2 μA

30 MΩ

10.00000 MΩ~33.00000 MΩ

650 + 2500

800 + 2500

10 Ω

25 nA~600 nA

100 MΩ

30.0000 MΩ~110.0000 MΩ

3600 + 3000

4500 + 3000

100 Ω

25 nA~200 nA

300 MΩ

100.0000 MΩ~330.0000 MΩ

3600 + 100000

4500 + 100000

100 Ω

2.5 nA~60 nA

1 GΩ

300.000 MΩ~1100.000 MΩ

11000 + 480000

14000 + 480000

1 kΩ

1 nA~20 nA


Manual or automatic range switch.

Over-current and reverse connection protection.


6.4 AC Voltage Output of TD1870 Multifunction Calibrator


Range

Output Range 

Frequency

(Hz)

Accuracy,(Tcal±5°C)

±(%*output + μV)

Resolution

Max Burden

 [Source internal resistance]

90 days

1 year

30 mV

1.0000 mV~

33.0000 mV

10≤F≤45

0.10 + 20

0.12 + 20

100 nV

[10 Ω]

45<F≤10k

0.08 + 20

0.10 +  20

10k<F≤20k

0.12 + 20

0.15 +  20

20k<F≤50k

0.16 + 20

0.20 +  20

50k<F≤100k

0.30 + 33

0.35 + 33

100k<F≤500k

0.72 + 60

0.90 + 60

300 mV

30.000 mV~

330.000 mV

10≤F≤45

0.04 + 18

0.05 + 18

1 μV

[60 Ω]

45<F≤10k

0.024 + 18

0.03 + 18

10k<F≤20k

0.048 + 18

0.06 + 18

20k<F≤50k

0.064 + 30

0.08 + 40

50k<F≤100k

0.12 + 120

0.15 + 120

100k<F≤500k

0.28 + 300

0.35 + 300

3 V

0.30000 V~

3.30000 V

10≤F≤45

0.04 + 55

0.05 + 55

10μV

20 mA

45<F≤10k

0.016 + 55

0.02 + 55

10k<F≤20k

0.048 + 55

0.06 + 55

20k<F≤50k

0.064 + 55

0.08 + 55

50k<F≤100k

0.12 + 180

0.15 + 180

100k<F≤500k

0.32 + 800

0.40 + 800

30 V

3.0000 V~

33.0000 V

10≤F≤45

0.04 + 750

0.05 + 750

100 μV

15 mA

45<F≤10k

0.024 + 550

0.03 + 550

10k<F≤20k

0.048 + 550

0.06 + 550

20k<F≤50k

0.064 + 550

0.08 + 550

50k<F≤100k

0.16 + 1800

0.20 + 1800

300 V

30.000 V~

330.000 V

45≤F≤1k

0.024 + 2500

0.03 + 2500

1 mV

30 mA [1]

1k<F≤10k

0.032 + 8000

0.04 + 8000

10k<F≤20k

0.048 + 8000

0.06 + 8000

20k<F≤50k

0.096 + 9000

0.12 + 9000

50k<F≤100k

0.192 + 80000

0.24 + 80000

1000 V

300.00 V~

1020.00 V

45≤F≤1k

0.024 + 15000

0.03 + 15000

10 mV

8 mA [2]

1k<F≤5k

0.032 + 15000

0.04 + 15000

5k<F≤10k

0.032 + 15000

0.04 + 15000

Note: [1] When the output frequency ≤ 3kHz, the maximum load is 30 mA; When the output frequency >3kHz, the maximum load is 5 mA.

[2] When the output frequency ≤ 3kHz, the maximum load is 8 mA; When the output frequency >3kHz, the maximum load is 3 mA.

  • Manual or automatic range switch.

  • Short-circuit and overload protection.

 

6.5 AC Current Output of TD1870 Multifunction Calibrator


Range

Output Range

Frequency

(Hz)

Accuracy(Tcal±5°C)

±(%*output + μA)

Resolution

Compliance Voltage (rms)

Max Inductive Load

90 days

1 year

300 μA

29.000 μA~

330.000 μA

10≤F≤20

0.128 + 0.1

0.16 + 0.1

1 nA

7 V

200μH

20<F≤45

0.096 + 0.1

0.12 + 0.1

45<F≤1k

0.064 + 0.1

0.08 + 0.1

1k<F≤5k

0.128 + 0.1

0.16 + 0.1

5k<F≤10k

0.24 + 0.2

0.3 + 0.2

10k<F≤30k

0.96 + 0.4

1.2 + 0.4

3mA

0.30000 mA~

3.30000 mA

10≤F≤20

0.128 + 0.1

0.16 + 0.1

10 nA

7 V

200μH

20<F≤45

0.096 + 0.1

0.12 + 0.1

45<F≤1k

0.064 + 0.1

0.08 + 0.1

1k<F≤5k

0.128 + 0.2

0.16 + 0.2

5k<F≤10k

0.24 + 0.3

0.3 + 0.3

10k<F≤30k

0.96 + 0.5

1.2 + 0.5

30 mA

3.0000 mA~

33.0000 mA

10≤F≤20

0.096 + 2

0.12 + 2

100 nA

7 V

50μH

20<F≤45

0.064 + 2

0.08 + 2

45<F≤1k

0.032 + 2

0.04 + 2

1k<F≤5k

0.064 + 2

0.06 + 2

5k<F≤10k

0.08 + 3

0.1 + 3

10k<F≤30k

0.24 + 4

0.3 + 4

300 mA

30.000 mA~

330.000 mA

10≤F≤20

0.096 + 20

0.12 + 20

1 μA

5 V

50μH

20<F≤45

0.064 + 20

0.08 + 20

45<F≤1k

0.032 + 20

0.04 + 20

1k<F≤5k

0.048 + 40

0.06 + 40

5k<F≤10k

0.08 + 100

0.1 + 100

10k<F≤30k

0.24 + 200

0.3 + 200

1 A

0.10000 A~

1.10000 A

10≤F≤45

0.096 + 100

0.12 + 100

10μA

5 V

2.5μH

45<F≤1k

0.032 + 80

0.04 + 80

1k<F≤5k

0.048 + 500

0.06 + 500

5k<F≤10k

0.08 + 1000

0.1 + 1000

3 A

1.00000 A~

3.30000 A

10≤F≤45

0.096 + 100

0.12 + 100

10μA

4 V

2.5μH

45<F≤1k

0.032 + 80

0.04 + 80

1k<F≤5k

0.048 + 500

0.06 + 500

5k<F≤10k

0.08 + 2000

0.1 + 2000

20 A

3.0000 A~

20.5000 A

45≤F≤100

0.048 + 1500

0.06 + 1500

100μA

3 V

1μH

100<F≤1k

0.064 + 1500

0.08 + 1500

1k<F≤5k

0.096 + 3000

0.12 + 3000

  • Manual or automatic range switch.

  • Open-circuit and overload protection.

  • Supports continuous and long-term output of current under full range.

 

6.6 Sinusoidal Wave Frequency Output of TD1870 Multifunction Calibrator


Range

Resolution

Accuracy (Tcal±5°C)

10.00000 Hz ≤ F ≤ 99.99999 Hz

10 μHz

±0.005%

100.0000 Hz ≤ F ≤ 999.9999 Hz

0.1 mHz

±0.005%

1.000000 kHz ≤ F ≤ 9.999999 kHz

1 mHz

±0.005%

10.00000 kHz ≤ F ≤ 99.99999 kHz

10 mHz

±0.005%

100.0000 kHz ≤ F ≤ 500.0000 kHz

0.1 Hz

±0.005%

 

6.7 Phase and Power Factor Output of TD1870 Multifunction Calibrator


Phase

Accuracy(Tcal±5°C)

10~20Hz

20~45Hz

45~1kHz

1k~5kHz

5k~10kHz

10k~30kHz

φ

0.1°

0.1°

0.05°

0.5°

1.0°

2.0°

phase

(φ)

Power factor

(λ)

Power accuracy caused by phase[3]

10~20Hz

20~45Hz

45~1kHz

1k~5kHz

5k~10kHz

10k~30kHz

1.00000

0.000%

0.000%

0.000%

0.004%

0.015%

0.061%

10°

0.98481

0.031%

0.031%

0.015%

0.158%

0.323%

0.676%

20°

0.93969

0.064%

0.064%

0.032%

0.321%

0.650%

1.331%

30°

0.86603

0.101%

0.101%

0.050%

0.508%

1.023%

2.076%

40°

0.76604

0.147%

0.147%

0.073%

0.736%

1.480%

2.989%

50°

0.64279

0.208%

0.208%

0.104%

1.044%

2.095%

4.220%

60°

0.50000

0.302%

0.302%

0.151%

1.515%

3.038%

6.106%

70°

0.34202

0.480%

0.480%

0.240%

2.401%

4.810%

9.649%

80°

0.17365

0.990%

0.990%

0.495%

4.953%

9.913%

19.853%

90°

0.00000

Note: [1] Phase resolution: 0.001°[2] Power factor resolution: 0.000 01

[3] Other power factor accuracy calculation formula: formula 1


6.8 AC/DC Power Output of TD1870 Multifunction Calibrator


Frequency

(Hz)

Voltage Range

(U)

Current Range

(I)

Phase Range

(φ)

Power Factor Range[2]

(λ)

DC

0~±1020 V

0~±20.5 A

10~45

30 mV~33 V

3 mA~3.3 A

0.000°~359.999°

-1~0~1

45~1k

30 mV~1020 V

3 mA~20.5 A

0.000°~359.999°

-1~0~1

1k~5k

3 V~1020 V

30 mA~3.3 A

0.000°~359.999°

-1~0~1

5k~10k

3 V~1020 V

30 mA~3.3 A

0.000°~359.999°

-1~0~1

10k~30k

3 V~330 V

30 mA~330 mA

0.000°~359.999°

-1~0~1

2

 

6.9 Pulse Frequency Output of TD1870 Multifunction Calibrator


Range [1]

Resolution

Accuracy, (Tcal±5°C)

±(ppm*RD + μHz)

Shake

1.000 00 Hz ≤ F ≤ 9.999 99 Hz

10 μHz

20 + 20

<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.


6.10 Thermocouple Output and Measurement (optional) of TD1870 Multifunction Calibrator


Type [1]

Output Range[2] [3]

Accuracy

(Tcal±5°C)[4](°C)

90 days

1 year

B

410°C ~ 600°C

0.33

0.35

600°C ~ 900°C

0.26

0.28

900°C ~ 1800°C

0.20

0.22

E

-200°C ~ 0°C

0.09

0.10

0°C ~ 600°C

0.06

0.08

600°C ~ 1000°C

0.08

0.10

J

-200°C ~ -100°C

0.12

0.13

-100°C ~ 750°C

0.07

0.08

750°C ~ 1200°C

0.08

0.10

K

-200°C ~ -100°C

0.15

0.16

-100°C ~ 1000°C

0.08

0.10

1000°C ~ 1370°C

0.10

0.12

N

-200°C ~ -100°C

0.21

0.22

-100°C ~ 400°C

0.07

0.09

400°C ~ 1300°C

0.09

0.11

R

-50°C ~ 50°C

0.36

0.38

50°C ~ 300°C

0.25

0.27

300°C ~ 1000°C

0.18

0.20

1000°C ~ 1750°C

0.18

0.20

S

-50°C ~ 50°C

0.36

0.38

50°C ~ 300°C

0.25

0.27

300°C ~ 1000°C

0.18

0.20

1000°C ~ 1750°C

0.21

0.23

T

-200°C ~ 100°C

0.13

0.15

-100°C ~ 0°C

0.08

0.11

0°C ~ 400°C

0.06

0.08

Note [1]: Use external compensation, S, R, B, K, N, E, J, T conform to ITS-90 international temperature standard;

Note [2]: Temperature resolution: 0.01 ° C;

Note [3]: Internal resistance of output source: 10 Ω;

Note [4]: The thermocouple error is not included.

  • Voltage output/measurement range: -10 mV~ 80 mV

  • 7 digits decimal display

  • Ripple coefficient: <0.5%


6.11 RTD Output(optional) of TD1870 Multifunction Calibrator


Type

Output Range[1]

Accuracy, (Tcal±5°C), °C

90 days

1 year

Pt385, 100 Ω

-200°C ~ 850°C

0.04

0.05

Pt385, 200 Ω

-200°C ~ 320°C

0.30

0.35

320°C ~ 850°C

0.35

0.40

Pt385, 500 Ω

-200°C ~ -30°C

0.04

0.05

-30°C ~ 850°C

0.13

0.15

Pt385, 1000 Ω

-200°C ~ 850°C

0.07

0.09

Cu50

-50°C ~ 150°C

0.07

0.09

Cu100

-50°C ~ 150°C

0.04

0.05

Note[1]: Resolution: 0.001°C


7. General Specifications of TD1870 Multifunction Calibrator

Power supply

   AC (220±22) V, (50±2) Hz

Maximum power consumption

550 VA

Warm up time

Twice the time since last warmed up, to a maximum of 30 minutes.

Temperature performance

   Operating temperature: 0°C ~ 50°C

   Calibration temperature: 15°C  ~35°C

   Storage temperature: - -20°C~70°C

Humidity performance

   Operating humidity: <80% @ 30°C, <70% @ 40°C, <40% @ 50°C

   Storage humidity: <95%, No condensation

Communication interface

RS232×1、USB×1、LAN×1

Dimensions


  444 mm(W)× 510 mm (D) × 205 mm (H), Handles and feet excluded.

TD1870 multifunction calibrator


8. Ordering Information of TD1870 Multifunction Calibrator

TD1870 multifunction calibrator

Function

TD1870A

TD1870B

AC/DC voltage source (U)

AC/DC current source (I)

Simulated DC resistance (R)

AC/DC power output (P)

Square wave frequency output (F)

Simulated TC output &TC measurement(TC)

Simulated RTD output (RTD)


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