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Paddy Moisture Tester PM-450TH (Type 4502)​

The PM-450TH type 4502 is a moisture meter designed for measuring the moisture content of paddy rice in Thailand. It is a manual sample-feeding model, suitable for use in rice mills, paddy purchasing operations, and agricultural businesses.

The PM-450TH has passed the relevant inspection and certification requirements of the Weights and Measures authorities under the Ministry of Commerce of Thailand and is approved for use in the legal buying and selling of paddy rice in Thailand.

Key Features

  • Designed for Thai Paddy Rice — Specially configured for measuring long-grain paddy rice in Thailand.
  • Capacitance Measurement at 50 MHz — Measures moisture content using the dielectric principle.
  • Quick and Non-Destructive Measurement — Simply pour the sample into the measuring chamber without grinding or damaging it.
  • Automatic Weight Compensation — Uses an integrated weighing scale to compensate for sample weight variations.
  • Automatic Temperature Compensation — Uses a thermistor to compensate for temperature variations.
  • Average Value Calculation — Calculates the average of up to nine measurements.
  • Digital LCD Display — Clearly displays moisture measurement results.
  • Portable Design — Compact and lightweight for convenient use at rice mills and paddy purchasing stations.
  • Certified for Paddy Rice Transactions in Thailand — Suitable for legal paddy rice trading under the applicable Thai inspection and certification requirements.


Specifications

Item

Specification

Model

PM-450TH type 4502

Measuring Method

Capacitance (Dielectric), 50 MHz

Application

Long-grain paddy rice

Measurement Range

9–35%

Measurement Accuracy

Standard error of 0.5% or less versus the drying method for samples with moisture content below 20%

Sample Volume

240 mL

Density Compensation

Integrated weighing scale

Temperature Compensation

Integrated thermistor

Display

Digital LCD

Average Function

Average of 2–9 measurements

Operating Temperature

0–40°C

Automatic Power-Off

After approximately 3 minutes of inactivity

Power Supply

4 × 1.5 V AA alkaline batteries

Power Consumption

240 mW

Dimensions

125 (W) × 205 (D) × 215 (H) mm

Weight

Approx. 1.3 kg

Standard Accessories

  • Manual Hopper (Sample Cup) x 1
  • Funnel x 1
  • Cleaning Brush x 1
  • 1.5 V AA Alkaline Batteries x 4
  • Operating Manual x1
  • Inspection Certificate × 1