User Manual

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User Manual

RFT10, RFT32, RFT50, RFT55

Handheld Refractometers

Introduction

Thank you for selecting the Triplett MS300 Pinless Moisture Meter. The

MS300 sensor performs non-invasive, relative moisture measurements on

wood and building materials such as wallboard, sheet rock, cardboard,

plaster, concrete, and mortar. The MS300 also offers auto power off

(APO), display lock (hold), and self-calibration features.

The MS300 is ideal for building restoration projects and applications

where moisture detection on floors and under carpets is critical. The

MS300 is also a handy tool for analyzing the effects of water leakage

behind walls and in ceilings

Summary of content (6 pages)

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User Manual RFT10, RFT32, RFT50, RFT55 Handheld Refractometers Introduction Thank you for selecting the Triplett MS300 Pinless Moisture Meter. The MS300 sensor performs non-invasive, relative moisture measurements on wood and building materials such as wallboard, sheet rock, cardboard, plaster, concrete, and mortar. The MS300 also offers auto power off (APO), display lock (hold), and self-calibration features.
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Meter Description Operation Step 1. Open daylight plate, and place 2-3 drops of distilled water on the main prism. Close the daylight plate so the water spreads across the entire surface of the prism without air bubbles or dry spots. Allow the sample to temperature adjust on the prism for approximately 30 seconds before going to step 2. This allows the sample to adjust to the ambient temperature of the refractometer.
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Step 2. Hold daylight plate in the direction of a light source and look into the eyepiece. If you will see a circular field with graduation down the entrance, you may have to focus the eyepiece to clearly see the graduation. The upper portion of the field should be blue, while the lower portion should be white. (The pictures shown here and shown in step3&step4 are only as reference. The right specific scale is listed the products.) Step 3.
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**NOTE: Each model of scale different, but the operation method is totally the same.
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Maintenance 1. Accurate measurement depends on careful calibration. The prism and sample must be at the same temperature for accurate results. 2. Don’t expose the instrument to damp working conditions, and don’t immerse the instrument in water. If the instrument becomes foggy, water has entered the body. Call a qualified service technician or contact your dealer. 3. Don’t measure abrasive or corrosive chemicals with these instruments. They can damage the prism’s coating. 4.
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RFT50 Propylene Glycol Freeze Point Ethylene Glycol Freeze Point Accuracy Resolution Battery Acid Specific Gravity Dimensions Weight -50°C to 0°C ±2% 1°C RFT55 -60°F (63%) to 32°F (12%) -60°F (59%) to 25°F (16%) ±2% 2°F 1.15 to 1.30 6.7x1.6x1.6" (170x40x40mm) 6oz (170g) 1.15 to 1.30 6.7x1.6x1.6" (170x40x40mm) 6oz (170g) -50°C to 0°C Warranty Triplett / Jewell Instruments extends the following warranty to the original purchaser of these goods for use.