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TH1000 Ultra Stable Precision Current Source

TH1000 is a precision DC current standard source, which can accurately output ± (0~110 mA) DC current with an optimal uncertainty of ±15 μA/A.
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TH1000 Ultra Stable Precision Current Source

TH1000 Ultra Stable Precision Current Source 4

1.Summary

TH1000 is a precision DC current standard source, which can accurately output ±(0~110 mA)  DC current with an optimal uncertainty of ±15 μA/A.


2. Features

  • Optimal uncertainty: ±15 μA/A.

  • DC current standard source±(0~110 mA).

  • The maximum load voltage of constant current output reaches 10 V.

  • Bipolar source generates positive and negative current directly through the circuit.

  • Typical value of rise time < 10 ms, typical value of establishment time < 20 ms.



3. Specifications

3.1 DC Current Output

Range



Resolution (nA)



Short-term Stability[1]

Relative Accuracy

Absolute Measurement Accuracy (k=2)

24 hour

(23±1)°C

24 hour

(23±1)°C

24 hour

(23±5)°C

90 day

(23±5)°C

180 day

(23±5)°C

1 year

(23±5)°C

(ppm of reading + nA) [2]

100 μA

0.01

5 + 0.7

5 + 3

7 + 5

8 + 5

9 + 5

10 + 5

1 mA

0.1

5 + 4

5 + 5

7 + 6

8 + 6

9 + 6

10 + 6

10 mA

1

5 + 40

5 + 45

7 + 50

8 + 50

9 + 50

10 + 50

100 mA

10

8 + 250

8 + 300

10 + 500

12 + 500

13 + 500

15 + 500

note [1]:The 24-hour stability is expressed in the form of standard deviation of continuous measured values.

[2]:(ppm = parts per million) (e.g: 10ppm = 0.001%).


3.2 Auxiliary Performance

Range

Temperature Coefficient

Maximum Burden Voltage

Load Influence Error[3]

Noise

(10~40)°C

(0~10)°C (40~50)°C

(0.1~10) Hz

(pk-pk)

(10~10k) Hz

(rms)

(ppm of reading + nA)/°C

(V)

(nA/V)

(ppm of reading + nA)

100 μA

0.5 + 0.2

1.5 + 0.6

10

0.1

5 + 0.9

0 + 8

1 mA

0.5 + 1

1.5 + 5

10

0.2

5 + 5

0 + 8

10 mA

0.5 + 15

1.5 + 80

10

5

5 + 50

0 + 40

100 mA

0.8 + 150

2 + 800

10

50

8 + 300

0 + 400

note [3]:The load influence error is the addition of the absolute accuracy index. This rule applies when the load voltage exceeds 2.5 V; The rest are not applicable.

Display digits: 7/8, adjustment fineness: 0.1 ppm;

Establishment time: the time from setting the output to meeting the index requirements is less than 20 ms;

Test conditions: 1 hour preheating, ambient temperature 23 &deg; C &plusmn; 1 &deg; C, sampling rate 0.2 sps;

Protection mode: open circuit protection, overload protection


4. General Specifications

Power supply

AC ( 220±22 ) V,( 50 ± 2 ) Hz

Working Environment

0 °C ~ 40°C,20% R·H ~ 80% R·H,non-condensing.

Storage environment

-10°C ~ 50°C,10% R·H ~ 90% R·H,non-condensing.

Interface

RS232、LAN



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