Electrical characteristics

Type

VSM025A

IPN

Primary nominal input current

10

mA

IP

Measuring range of primary current                        

0~±14

mA

ISN

Secondary nominal output current

25

mA

KN

Conversion ratio

 2500:1000

RM

Measuring resistance  (VC=±12V)

IPN =±10mA    30~350

IP =±14mA    30~235

RM

(VC=±15V)

IPN =±10mA    100~460

IP =±14mA    100~315

VC

Supply voltage

 ±12~±15(±5%)

V

IC

Current consumption

VC=±15V                    10+Is

mA

VD

Insulation voltage

AC/50Hz/1min                2.5

kV

εL

Linearity

<0.2

%FS

X

Accuracy

TA=25°C VC =±15V            ±0.7

%

IO

Zero offset current

TA=25°C                    <±0.15

mA

IOT

Thermal drift of I0                             

IP=0  TA=-25~+85°C          <±0.35

mA

TR

Response time

90% of VPN                   <40

μs

TA

Ambient operating temperature                  

-25~+85

°C

TS

Ambient storage temperature                 

-40~+100

°C

RP

Primary coil resistance

TA=25°C                     190

Ω

RS

Secondary coil resistance

TA=25°C                      55

Ω