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

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.

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.

6.1 DC Voltage Output of TD1870 Multifunction Calibrator

Range
Output Range
Accuracy (T_cal±5°C)
Stability
(T_cal±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(T_cal±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.

TD1870 Multifunction Calibrator

TD1870 Multifunction Calibrator

6.1 DC Voltage Output of TD1870 Multifunction Calibrator

6.2 DC Current Output of TD1870 Multifunction Calibrator

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Partner List

Range	Output Range	Accuracy (T_cal±5°C)		Stability (T_cal±1°C)	Resolution	Max Burden [Source internal resistance]
		*±(ppmoutput + 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

Range	Output Range	Accuracy(T_cal±5°C) *±(ppmoutput + μA)**		Resolution	Compliance Voltage (V)	Max Inductive Load
Range	Output Range	90 days	1 year	Resolution	Compliance Voltage (V)	Max Inductive Load
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