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    Watanabe DC V/A to DC V/A Isolated Transducer TZ-1XA TZ-5XA

Watanabe TZ-1XA & TZ-5XA DC Signal Isolators

The Watanabe TZ-1XA and TZ-5XA convert DC voltage or current inputs into proportional, isolated DC outputs for measurement and control systems.

  • TZ-1XA: 100–240 V AC power supply.
  • TZ-5XA: 24 V DC power supply.
  • Accuracy: ±0.1% of full scale.
  • Zero and span adjustment: ±5% of full scale.
  • Compact construction with integrated wiring terminals.

Need advice or a quotation?

Ask Seacom about specifications, availability and the right instrument for your application.

Watanabe TZ-1XA and TZ-5XA DC Signal Isolators

The Watanabe TZ-1XA and TZ-5XA convert a DC voltage or current input into a proportional, isolated DC voltage or current output. Their integrated terminal-block construction provides a compact interface between measurement signals and receiving instruments.

Choose the model according to the available power supply, then specify the required input and output ranges for your application.

Key Features

  • DC voltage or current input and output configurations.
  • AC-powered TZ-1XA and DC-powered TZ-5XA models.
  • Accuracy of ±0.1% of full scale.
  • Zero and span adjustment of ±5% of full scale.
  • Compact body with integrated wiring terminals.

Compare TZ-1XA and TZ-5XA

SpecificationTZ-1XATZ-5XA
Power supply 100–240 V AC 24 V DC
Input DC voltage or current DC voltage or current
Output DC voltage or current DC voltage or current
Accuracy ±0.1% FS ±0.1% FS
Response time, 0–90% 1 ms or 50 ms, depending on specification 1 ms or 50 ms, depending on specification
Zero/span adjustment ±5% FS ±5% FS
Dielectric strength 2000 V AC 1500 V AC
Dimensions, H × W × D 98 × 25 × 41 mm 98 × 25 × 41 mm
Weight Approximately 80 g Approximately 80 g
Operating temperature −5 to +50°C −5 to +50°C

FS means full scale. Confirm the complete ordering specification before selection; the model family name alone does not identify the input span, output span or response option.

TZ-1XA Specification and Ordering Information

Use the original reference below to check the AC-powered model’s signal options, dimensions and connections.

Watanabe TZ-1XA AC-powered DC signal isolator specifications and ordering information

TZ-5XA Specification and Ordering Information

Use the original reference below to check the DC-powered model’s signal options, dimensions and connections.

Watanabe TZ-5XA DC-powered DC signal isolator specifications and ordering information

Selecting the Right Configuration

  • Input: provide the signal type, minimum and maximum values, and details of the source instrument.
  • Output: specify what the receiving PLC, indicator, recorder or controller requires.
  • Power: confirm whether AC power or a 24 V DC supply is available.
  • Load: check the receiving equipment’s input impedance and the selected output’s load limits.
  • Response: identify how quickly the signal must follow changes in the process.
  • Replacement: send the full existing model code and a photograph of the terminal markings.

Need Help Selecting a DC Signal Isolator?

Contact Seacom with your input signal, required output, power supply and connected equipment. We can help check the configuration for your measurement or control application.

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