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RapidX Diesel Fuel and Oil Tester

Yateks ViscoPen

RapidX Diesel Fuel and Oil Tester

Instant Viscosity, Density and Temperature measurement for on-site lubricant and industrial fluid monitoring.

Product Description

The Yateks ViscoPen is a compact handheld fluid analyzer for rapid on-site testing of diesel fuel, lubricants and industrial fluids. Using piezoelectric resonant MEMS technology, it measures viscosity, density and temperature within seconds. Its pen-style portable design, IP67-rated probe and one-button operation enable fast and reliable fluid condition checks in the field. Protect your diesel powered equipment with immediate identification of paraffin adulteration.

Sensor measurements:

PARAMETERRANGEACCURACY
Temperature-0~60℃±0.3℃(40℃)
Density600~1250kg/m³±3%
Dynamic Viscosity1–1000 mPa·s (cP)±5%
kinematic viscosity1~1000mm²/s(cst)±5%
Viscosity @ 40°C1-1000(cSt)±5% ~ ±8%
Viscosity @ 100°C1-1000(cSt)±5% ~ ±8%
Note: Measurement accuracy is the average value of multiple measurements in a static test in a laboratory environment, and there may be deviations under field conditions due to the influence of the external environment.

Portable & Fast

Compact pen-style design for rapid field measurements

Multi-Parameter Measurement

Viscosity (40 °C / 100 °C), Density and Temperature

Industrial Durability

316 stainless steel probe with IP67 protection

Extended Battery Life

Up to 35 hours of operation with USB-C charging

One-Button Operation

No training required

2026-04-09_08-23

Yateks ViscoPen RapidX Diesel Fuel and Oil Tester

Instant Viscosity, Density and Temperature measurement for on-site lubricant and industrial fluid monitoring.