Current Sensor / Transducer for AC/DC Current Measurement. Features compact, high accuracy & easy installation, safety isolation, low temperature drift, excellent linearity.

1. Current Sensor For Hotel Load

TECHNICAL PROPERTIES: -

Nominal current I_{N                                                      :}               2000A rms

Measuring range                                                                :          0 ± 3000 A

Nominal analog output current                              :              400 mA

Turns ratio                                                                       :          1 : 5000

Overall accuracy at + 25°C                                      :          ± 0.25 % of I_N

Supply Voltage                                                              :          + AND -15 To 24 V(± 10%)

Isolation                                                         

Between Primary and Secondary + Screen +Test       :           9 KV rms/ 50 HZ/ 1 min

Between Secondary and Screen + Test                  :           500 V rms/ 50 HZ/ 1 min

ACCURACY –DYNAMIC PERFORMANCE: -

Zero offset current at +25°C                            :           max.    ± 0.75 mA

Thermal drift of offset current                           :         typical  ± 0.40 mA

(Between-40°C and + 70°C)                             :           max     ± 0.60 mA

Linearity                                                                    :         Better than 0.1 %

Response time                                                       :           Better than 1 µs

di/dt accurately followed                                   :         Better than 50 A/µs

TEST CIRCUIT:

Number of turns                                                :         1000

Secondary internal resistance                     :           20 ohm (at+ 70°C)

Test current                                                        :           1 A during 10 s., 2A During 5 s.

GENERAL DATA:

Operating temperature                                     :           -40°C to + 70°C

Storage temperature                                         :           -50°C to + 85°C

Current consumption                                       :           30 mA (± 24 V ) + output current

Secondary internal resistance                       :           25 ohm (at +70°C)

Package:Packed into an insulated self-extinguishing plastic  case

       2.Primary Current Sensor For 3PH Electric Loco

TECHNICAL DATA:

Nominal Current                                       :           1000 A(rms)

Measuring Range with ± 15 V                :           0 to ± 1500 A.

Turns ratio                                                 :           1: 5000,

Overall accuracy                                   :           ±0.3 % of Nominal Current,

Supply of Voltage                                   :           Between Primary and Secondary,

ACCURACY –DYNAMIC PERFORMANCE: -

Zero Offset Current                                              :           max ± 0.4 mA,

Thermal drift of offset current                          :           Typical ± 0.2 mA,

Maximum ± 0.3 mA

Linearity                                                                  :           Better than 0.1 %

Response time                                                     :           Better than 1 µs,

Di/dt accurately followed                                 :           Better than 50 A/µs,

GENERAL DATA:

Bandwidth                                                                        :           0 to 100 KHZ (-1 db),

Current consumption                                                  :           25 mA + output current,

Secondary Internal Resistance                                :           40 Ohm,