The HIOKI DT4253 Digital Multimeter is a professional True RMS digital multimeter specially designed for HVAC systems, instrumentation, industrial maintenance, and gas-burning equipment. Featuring True RMS measurement, temperature measurement, 4–20mA process signal conversion, dual display, and low-pass filter (LPF), the DT4253 delivers exceptional accuracy, reliability, and safety for demanding electrical applications. With CAT IV 600V / CAT III 1000V protection, it is an excellent choice for professional electricians, maintenance engineers, and industrial technicians.

🔹 Specifications

Brand: HIOKI

Model: DT4253

Type: True RMS Digital Multimeter

Display: 6000 Count Dual LCD Display with Bar Graph

Measurement Technology: True RMS

Safety Rating: CAT IV 600V / CAT III 1000V

DC Voltage: 600mV – 1000V

AC Voltage: 6V – 1000V

DC Current: 60μA – 60mA

AC Current: 10A – 1000A (with optional clamp sensor)

Resistance: 600Ω – 60MΩ

Capacitance: 1μF – 10mF

Frequency: 99.99Hz – 99.99kHz

Temperature Measurement: -40°C to 400°C (K-Type Thermocouple)

Power Supply: 4 × AAA Batteries

Battery Life: Approx. 130 Hours

Dimensions: 84 × 174 × 52mm

Weight: Approx. 390g

🔹 Features

True RMS Measurement – ensures highly accurate AC measurements, including distorted and non-linear waveforms.

Designed for HVAC Applications – ideal for testing air-conditioning systems, gas-burning equipment, and instrumentation circuits.

4–20mA Process Signal Measurement – directly measures and displays industrial transmitter signals in percentage format.

Temperature Measurement – supports K-type thermocouples for HVAC and industrial diagnostics.

Low Pass Filter (LPF) – accurately measures inverter and VFD output by filtering harmonic noise.

Dual Display with Analog Bar Graph – simultaneously displays voltage and frequency or other measurement values.

Auto & Manual Range Selection – provides flexibility for both beginners and professionals.

MAX / MIN / AVG Recording – captures measurement extremes for troubleshooting.

Relative Measurement Mode – simplifies comparison and calibration tasks.

Data Hold & Auto Hold – freezes readings for easy documentation.

USB Communication (Optional) – supports data transfer using the optional communication package.

Fast 6000-Count Display – updates quickly for responsive measurement performance.

Long Battery Life – operates for approximately 130 hours on four AAA batteries.

Professional Safety Design – CAT IV 600V / CAT III 1000V protection ensures safe operation in demanding environments.

🔹 Applications

Ideal for:

✔ HVAC installation & maintenance

✔ Air conditioning system diagnostics

✔ Industrial instrumentation

✔ Process control (4–20mA loop testing)

✔ Gas burner servicing

✔ Electrical maintenance

✔ Industrial automation

✔ Power distribution testing

✔ Electronics troubleshooting

✔ Professional field service

🏷️ Product Tags

HIOKI DT4253, True RMS Multimeter, HVAC Multimeter, Industrial Digital Multimeter, Process Loop Multimeter, Temperature Multimeter, Electrical Tester, Professional DMM, HIOKI Test Equipment

#Tags

#HIOKI #DT4253 #TrueRMS #DigitalMultimeter #HVACTools #IndustrialTools #ElectricalTester #MeasurementTools #ProcessControl #ProfessionalTools