null indicator
Recently Published Documents


TOTAL DOCUMENTS

23
(FIVE YEARS 1)

H-INDEX

1
(FIVE YEARS 0)

2021 ◽  
Vol 2141 (1) ◽  
pp. 012014
Author(s):  
Wen Sun ◽  
Jiajun Peng ◽  
Huan Zhang ◽  
Ying Wang ◽  
Jiaxu Chen

Abstract To solve the problems exist in the measurements high resistances in range of 1 MΩ~100 TΩ, such as low precision, poor repeatability, long time consuming and easy to be affected by the external environment, an adapted Wheatstone bridge for high resistances is described. The system uses two DC voltage sources to build a standard proportion, a pico-ammeter as the Null-indicator. The automatic balancing of the bridge is realized through the balance algorithm. The measurement software is compiled to realize the automatic measurement of high resistance. The shielding system is studied, the methods to improve the accuracy are summarized. The experimental results show that the standard uncertainty at 100GΩ reaches 3.2×10−5. The system can meet the calibration requirements of high value resistance, and has been applied in practical work.



2020 ◽  
Vol 59 (10) ◽  
Author(s):  
Petr A. Pavlov
Keyword(s):  


Author(s):  
Yuri V. Filatov ◽  
Maksim S. Nikolaev ◽  
Roman A. Larichev ◽  
Petr A. Pavlov
Keyword(s):  


2012 ◽  
Vol 44 (3) ◽  
pp. 325-332 ◽  
Author(s):  
V. A. Leonets’ ◽  
A. O. Lukashevich ◽  
V. O. Degtyarev ◽  
L. M. Chaus


1975 ◽  
Vol 18 (9) ◽  
pp. 1394-1394
Author(s):  
M. M. Dyukov ◽  
A. V. Il'in


1975 ◽  
Vol 18 (6) ◽  
pp. 860-865
Author(s):  
V. G. Boichuk ◽  
N. I. Gorelikov


1967 ◽  
Vol 35 (10) ◽  
pp. xi-xii
Author(s):  
D. S. Ainslie






Sign in / Sign up

Export Citation Format

Share Document