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TD1850 Multifunction Calibrator

TD1850  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.
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  • TD1850

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TD1850 Multi-function Calibrator

TD1850 Multi-function Calibrator

1. Summary

TD1850 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 A33 A is optional

AC voltage output: 20 mV ~ 1100 V

AC current output: 200 μA ~ 22 A33 A is optional

Sinusoidal wave frequency: 45 Hz ~ 1100 Hz

Simulated DC resistance: 10 Ω ~ 220 MΩ.

2 MHz square wave frequency output

Remote adjustment (optional)

Clamp meter calibration (optional)

Transducer calibration(optional)

•  7.0-inch Color Touch Screen


3. Application

TD1850 Multi-function Calibrator Application



Calibrate AC\DC electrical measuring instruments

TD1850 Multi-function Calibrator Calibrate AC\DC electrical measuring instruments

DCV output: 20 mV ~ 1100 V

DCI output: 2 μA ~ 22 A\33 A

ACV output: 20 mV ~ 1100 V, 45 Hz ~ 1100 Hz

ACI output: 200 μA ~ 22 A\33 A, 45 Hz ~ 1100 Hz

RES output: 10 Ω ~ 220 MΩ

Frequency output: 1 Hz ~ 2 MHz

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

Calibrate clamp ammeter (optional)

TD1850 Multi-function 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.


Calibrate AC/DC Transducer (optional)

TD1850 Multi-function Calibrator Calibrate AC/DC Transducer (optional)

DC small-signal measurement. (Vmax: 12 V, Imax: 24 mA)

Calibrate the proportional error of AC/DC voltage/current transducer.


4.Panel Features

Front\Side Panel

TD1850 Multi-function Calibrator Front\Side Panel

Item

Description

LCD touch screen.

Operation panel.

Simulated DC resistance output terminals.

AC/DC voltage output terminals.

AC/DC current output terminals.

Handle: used for carrying instruments.

Input terminals for DC transducer.


Rear panel

TD1850 Calibrator for Multimeter Panel Features

Item

Description

Pulse frequency output terminals.

Remote box interface.

RS232 communication interface.

Chassis ground binding post.

AC 220V power interface.

Cooling vents.


5. Characteristics

Wide output range

TD1850 Calibrator for Multimeter Wide output range



Multiple output\adjustment methods

TD1850 Multi-function Calibrator Multiple output\adjustment methods

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

TD1850 Multi-function Calibrator Multiple output\adjustment methods

Calibration of the analog pointer meter usually needs to test scale by scale, especially "differences between rising and falling" (the change caused by the rise and fall of the calibration point).

Remote box can realize the coarse and fine adjustment of current or voltage.



Multiple output\adjustment methods

TD1850 Multi-function Calibrator Multiple output\adjustment methods

Touch “Calibration point” of screen for “% setting”.

TD1850 Multi-function Calibrator Multiple output\adjustment methods

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


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


Ranges

Resolution

Stability

(± %/min)

Accuracy

± (ppm*RD+ppm*RG)

Compliance Voltage (V)

Ripple Factor(%)

20 μA

100pA

0.01

300 + 200

10

<0.5

200 μA

1 nA

0.01

300 + 200

9

<0.5

2 mA

10 nA

0.01

300 + 200

9

<0.5

20 mA

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.

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.

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

3

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.


6.5 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.


6.6 DC Small-signal Measurement (optional)

Type

Range

Measurement 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

RS 232

Dimensions


475 mm(W) ×400 mm (D) ×190 mm (H), excluding handles and feets.

Weight

About 18 kg


8. Ordering Information



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