DT4253 - True RMS digital multimeter for process and instrumentation applications

Product information DT4253 - True RMS digital multimeter for process and instrumentation applications


Key Specifications

  • DC voltage measurement range: 600 mV to 1000 V 
  • AC voltage measurement range: 6 V to 1000 V 
  • Current measurement ranges: 60.00 µA / 600.0 µA / 6.000 mA / 60.00 mA 
  • 4–20 mA process measurement with percentage display: 0–100% (4 mA = 0%, 20 mA = 100%)
  • Temperature measurement range: −40 °C to +400 °C (K-type) 
  • Safety rating: CAT III 1000 V / CAT IV 600 V 

Detailed Product Overview

The HIOKI DT4253 is a True RMS digital multimeter specifically designed for process measurement as well as service and maintenance applications. It is ideally suited for use in control and regulation circuits, HVAC systems, and gas and oil burner systems. 

A key distinguishing feature of the DT4253 is its high-resolution DC µA measurement range up to 60 µA, which is specifically designed for flame current and ionization measurements in gas and oil burner systems. This allows reliable verification of burner operation as well as associated safety and monitoring circuits. 

Building on this, the DT4253 supports 4–20 mA process measurement with direct percentage display. Transmitter and control signals are displayed immediately as a percentage value (0–100%), eliminating the need for manual calculation. The dual display allows simultaneous indication of the measured value and the percentage value, significantly simplifying the evaluation of process signals. 

For extended applications, the DT4253 can be used in combination with external AC clamp-on probes. This enables non-contact AC current measurement without interrupting the circuit. 

The functional range is further expanded by temperature measurement using a K-type thermocouple as well as automatic AC/DC voltage detection, which simplifies measurements in mixed environments and reduces operating errors.

Thanks to its robust design, fast response time, and safety rating CAT III 1000 V / CAT IV 600 V, the DT4253 is a reliable tool for professional use in industrial and building technology environments. 

The DT4253 is the ideal choice for precise measurement of flame currents, process signals, and small DC currents in daily service and maintenance work.
  • DT4253 
  • L9207-10
  • Instruction Manual (English Version) 
  • 4 x AAA alkaline battery

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