Field Instruments

Product Overview

The REED TM-8811 Ultrasonic Thickness Gauge is a highly reliable handheld instrument designed for precision measurement of material thickness using ultrasonic waves. It is ideal for inspection of metals, plastics, glass, and pipes where non-destructive testing (NDT) is required. With a broad measurement range, user-selectable units, built-in calibration functions, and easy-to-read LCD display, it provides the performance professionals expect for field or workshop use.

Key Features

• Measures thickness of various materials such as steel, cast iron, aluminum, copper, brass, zinc, quartz glass, polyethylene, PVC, grey cast iron and nodular cast iron.
• Wide measuring range (1.5 mm to 200 mm) for versatile use.
• High accuracy of ±(0.5% + 0.1 mm) ensures dependable results.
• Resolution of 0.1 mm or 0.004″ for fine measurement increments.
• Adjustable measuring units (inches or millimetres) for localisation.
• Displays sound velocity at the touch of a button and supports automatic material calibration.
• Lightweight and compact design, with hand-held form factor suitable for portable use.
• Low battery indicator for reliability in the field.
• Includes probe, couplant, carrying case and batteries for instant use.

Technical Specifications

Brand: REED Instruments
Model: TM-8811
Type: Ultrasonic Thickness Gauge

• Measuring Range: 0.05″ to 7.9″ (1.5 mm to 200 mm)
• Accuracy: ±(0.5% of reading + 0.1 mm)
• Resolution: 0.1 mm / 0.004″
• Sound Velocity Range: 500 to 9000 m/s
• Compatible Materials: Steel, cast iron, aluminum, red copper, brass, zinc, quartz glass, polyethylene, PVC, grey cast iron and nodular cast iron
• Sampling Time: Less than 1 second
• Display: 4-digit LCD
• Probe Length: Approx. 36″ (0.9 m)
• Power Supply: 4 × AA batteries
• Operating Temperature: 0 °C to 50 °C (32 °F to 122 °F)
• Storage Temperature: –20 °C to 60 °C (–4 °F to 140 °F)
• Operating Humidity: 20% to 80%
• Dimensions: Approx. 161 × 69 × 32 mm (6.3″ × 2.7″ × 1.3″)
• Weight: Approx. 258 g (9 oz)

Applications

• Inspection of metal pipe walls, tanks and pressure vessels.
• Quality control of manufactured metal sheets, plates and castings.
• Thickness measurement of plastic or glass materials.
• Corrosion monitoring in industrial plants and infrastructure.
• Non-destructive testing (NDT) for maintenance, inspection and repair operations.

Why Buy from FieldInstruments.lk?

• 100% genuine REED Instruments product supplied with full support.
• Competitive pricing and fast delivery across Sri Lanka.
• Local technical support for instrument setup, calibration assistance and usage guidance.
• A trusted supplier of industrial instrumentation, measurement tools and inspection gear.

The REED TM-8811 offers a powerful combination of portability, precision and versatility—making it an excellent choice for professionals needing accurate thickness measurement in the field or workshop.

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Fieldinstruments.lk
50/3, Angampitiya Rd, Ethul Kotte, Sri Lanka. 10100.
Phone: +94718555888 Email: info@fieldinstruments.lk