Topstek Current Transducer TQL50A

- 110 -

www.topstek.com

TQL50A

V080201

7/1/2008

TQL50A

Features

iHighly reliable Closed Loop Hall Effect device

iCompact and light weight

iFast response time

iExcellent linearity of the output voltage over a wide input range

iExcellent frequency response (> 150 kHz)

iLow power consumption (9 mA nominal)

iCapable of measuring both DC and AC, both pulsed and mixed

iHigh isolation voltage between the measuring circuit and the

current-carrying conductor (AC2.5KV)

iExtended operating temperature range

iFlame-Retardant plastic case and silicone encapsulant, using UL

classified materials, ensures protection against environmental

contaminants and vibration over a wide temperature and

humidity range

Applications

iUPS systems

iIndustrial robots

iNC tooling machines

iElevator controllers

iProcess control devices

iAC and DC servo systems

iMotor speed controller

iElectrical vehicle controllers

iInverter-controlled welding machines

iGeneral and special purpose inverters

iPower supply for laser processing machines

iController for traction equipment eg. electric trains

iOther automatic control systems

Specifications

Parameter

Symbol

Unit

TQL50A

Nominal Input Current

A DC

±50

Supply Voltage Range

V

±12 --- ±15

Supply Voltage ±5%

V

±12

±15

Consumption Current

mA

Measuring Range

A DC

±80

±100

±80

±100

Maximum Load Resistance

37.5

15

75

45

Minimum Load Resistance

0

0

20

20

Conversion Ratio

1:1000

mA

50

Secondary Resistance

63 @ 25°C, 65 @ 80°C

Offset Current

mA

%

Linearity

%

Psec

2

Frequency bandwidth (-3dB)

Hz

DC to 150kHz

Thermal Drift of Output

-

mA

Within ±0.5mA

0°C~80°C

Dielectric Strength

-

V

AC2.5KV X 60 sec

Isolation Resistance

@ 1000 VDC

M

>1000 M

Operating Temperature

°C

-20°C to 80°C

Storage Temperature

°C

-20°C to 85°C

Mass

W

g

27 g