Weschler Instruments – Manufacturer & distributor of measurement & control equipment
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 All Categories    Signal Isolators, Self-Powered - Selco
Weschler Instruments is a manufacturer and distributor of electrical and electronic measurement equipment. Customers worldwide use our products in power plants, steel mills, chemical plants, paper mills and other industrial applications that require rugged, reliable and accurate instrumentation.
All Categories > Signal Conditioners > Selco Signal Conditioners > Signal Isolators, Self-Powered - Selco > Item # SE/TZ-41  
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Item # SE/TZ-41, Signal Isolators, Self-Powered - Selco

TZ-41 Model Signal Isolators

larger image
  • Small Size
  • Self-powered
  • Easy Connection
  • DIN Rail Mount
TZ-41 will also provide 0 to 5V or 1 to 5V output.


Signal Input

0 to 20mA, 4 to 20mA, 0 to 5mA

Signal Output

Same as signal input (1:1 ratio)

Input Current

Max. 30mA


Max. 1000ohm

Voltage Loss

Approx. 3.3V between input and output

Output Ripple

<0.5% (20mA at 250W)

Temperature Coefficient

Less than ±100PPM/°C


±0.1% (23 ±1°C) at 250W load

Additional Error

+0.1%/100ohm at load <250ohm
-0.1%/100ohm at load >250ohm & <600ohm

Operating Temperature

-5 to +50°C, less than 90% RH

Insulation Resistance

>100Mohm at 500VDC (input to output)

Dielectric Strength

1 min. at 2kVAC (input to output)

Dimensions (W x H x D)

25 x 98 x 41 mm


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