TD1858 Portable Multifunction Calibrator

• 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

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

8. 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

 

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.

• 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

☆ Calibrate AC\DC electrical measuring instruments
☆ Calibrate clamp ammeter (optional)
☆ Calibrate thermocouple (optional)

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