Uni-T True RMS digital multimeter with LED test

147,00 €
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Product code: 724025-1
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Uni-T UT18B Max is a digital multimeter for accurate everyday measurements with True RMS technology. It offers AC/DC voltage measurement up to 1000 V, AC/DC current up to 10 A, temperature from -55 to 500 °C, plus a handy LED diode test for servicing and checking LED lighting.
True RMS and large 6000 display

True RMS and large 6000-count display

Rely on more accurate measurements thanks to True RMS and a clear 6000-count display that makes reading values easier during service work and everyday diagnostics.

LED diode test and practical service functions

LED diode test and practical service functions

The multimeter offers a LED diode test, continuity test, diode test, Data Hold, and relative mode. This makes it ideal for electricians, technicians, and work with LED lighting.

Temperature measurement and CAT III safety

Temperature measurement and CAT III safety

The package includes a K-type thermocouple for temperature measurement from -55 to 500 °C. Safety is enhanced by CAT III 600 V protection and an alarm for incorrect connection of the test leads.

The Uni-T UT18B Max multimeter is the best-equipped model in its series for users who want a combination of reliable accuracy and practical features for service work. Thanks to the large 6000-count display and True RMS mode, it is also suitable for more accurate measurement of AC signals under real-world conditions.

Operation is quick and intuitive—there is automatic and manual range selection, Data Hold, relative mode, and adjustable backlight. An advantage over other models is the LED diode test, which lets you easily verify LED components and LED lighting directly in the field.

Also included is a K-type thermocouple for immediate temperature measurement. Safety is supported by a visual and audible alarm, warnings for incorrectly connected test leads, and protection according to CAT III 600 V.

Package contents:

  • digital multimeter
  • user manual
  • standard gold-plated test leads (2×)
  • test leads with fine tips (2×)
  • batteries (2×)
  • K-type thermocouple (1×)

Specifications

Manufacturer
Uni-T
Model
UT18B MAX
Type
Digital multimeter with True RMS measurement
DC voltage
600.0 mV / 6.000 V / 60.00 V / 600.0 V / 1000 V ±(0.4% + 3)
AC voltage
600.0 mV / 6.000 V / 60.00 V / 600.0 V / 1000 V ±(0.5% + 5)
VFD
600.0 V ±(8%)
AC current
600.0 µA / 6000 µA / 60.00 mA / 600.0 mA / 6.000 A / 10.00 A ±(1.2% + 3)
DC current
600.0 µA / 6000 µA / 60.00 mA / 600.0 mA / 6.000 A / 10.00 A ±(1.2% + 3)
Resistance
600.0 Ω to 60.00 MΩ ±(0.5% + 2)
Capacitance
6.000 nF to 6000 µF ±(2.0% + 5)
Frequency
10 Hz ~ 10 MHz ±(0.1% + 3)
Duty cycle
1% ~ 99.9% ±(1.0% + 4)
Temperature
-55 °C to 500 °C ±2 °C / ±4 °F
Display
6000
Continuity test
Yes
Diode test
Yes
LED diode test
Yes
Data logging
Yes
MAX/MIN mode
No
Relative mode
Yes
Backlight
Adjustable
Range selection
Automatic and manual
Auto power off
Yes
Wake-up with any button
Yes
Visual and audible alarm
Yes
Alarm for crossed lead connection
Yes
Overvoltage category
CAT III 600 V
Power supply
2× 1.5 V AA batteries
Weight
455 g
Dimensions
182 mm × 91 mm × 45 mm
Color
Red and gray
147,00 €