27MG

    27MG

    27MG
     

    The Olympus 27MG is an affordable ultrasonic thickness gauge designed to make accurate, measurements from one side on internally corroded or eroded metal pipes, tanks, and other equipment. It weighs only 12 oz. (340 g) and is ergonomically designed for easy, one-hand operation. Despite its compact size, the 27MG has many innovative measurement features utilizing the same technologies that are available on our more advanced thickness gauges. The durable, rugged 27MG is battery-operated and features a large, backlit LCD with easy-to-read numerals, and an intuitive color-coded keypad with direct access to many key features.



    Standard features include Automatic Probe Recognition to ensure optimal transducer performance, Auto Zero compensation to enhance the accuracy of measurements on hot surfaces, Gain Adjust to improve measurements on sound-attenuating materials such as cast metals, Differential mode, Hi-Low Alarm settings, and a Min./Max. mode that captures the minimum or maximum thickness at 20 measurements per second.

    The 27MG is designed for inspectors and maintenance engineers that need to monitor the wall thickness in metal pipes, tanks, beams, and structural supports that are susceptible to corrosion on the inside surface. An ultrasonic thickness gauge provides a quick, cost-effective solution by transmitting sound into the material from the outside, making it unnecessary to damage the part.

    Transducers

    The 27MG comes standard with the low-cost D7910 dual element transducer that enables you to make thickness measurement for many basic corrosion applications. For measurements on very thin or thick materials, or small diameter pipes, Olympus has available a full line of dual element transducers. Olympus transducers compatible with the 27MG feature Automatic Probe Recognition that optimizes transducer performance by automatically recalling the default V-path correction.

    27MG with the optional Protective Rubber Boot with Neck Strap and Gage Stand

    27MG with the optional Protective Rubber Boot with Neck Strap and Gauge Stand

    MeasurementsDual element transducer measurement modeTime interval from a precision delay after the excitation pulse to the first echo
    Thickness range0.50 mm to 635 mm (0.020 in. to 25.0 in.) depending on material, transducer, surface conditions, temperature
    Material velocity range0.508 mm/μs to 18.699 mm/μs (0.020 in./μs to 0.7362 in./μs)
    Resolution (selectable)Low: 0.1 mm (0.01 in.)
    Standard: 0.01 mm (0.001 in.)
    Transducer frequency range2.25 MHz to 10 MHz (–3 dB)
    GeneralOperating temperature range-10 °C to 50 °C (14 °F to 122 °F)
    KeypadSealed, color-coded keypad with tactile and audible feedback
    CaseImpact-resistant and water-resistant, gasketed case with sealed connectors. Designed for IP65.
    Dimensions (W x H x D)84.0 mm x 152.4 mm x 39.6 mm (3.31 in. x 6.0 in. x 1.56 in.)
    Weight340 g (12 oz)
    Power Supply3 AA alkaline batteries
    Battery life operating time150 h of typical battery life, 30 h continuous use with backlight
    Explosive AtmosphereSafe operation as defined by Class I, Division 2, Group D, as found in the National Fire Protection Association Code (NFPA 70), Article 500, and tested using MIL-STD-810F 511.4 Procedure I
    StandardsDesigned for EN15317
    Alarm modeProgrammable Hi/Low set points with audible and visual indicators
    DisplayDisplay Hold/Blank modeHolds or blanks the display after measurements
    BacklightElectroluminescent backlight, Selectable as On or Auto On
    Receiver bandwidth1 MHz to 18 MHz (–3 dB)
    Metric/English modeMetric or English units
    Display languagesEnglish, French, German, Spanish, Italian,Portuguese, Russian, Polish, and Swedish

    Standard Package

    • 27MG digital ultrasonic thickness gauge
    • Dual element transducer
    • AA alkaline batteries
    • Test block and couplant
    • Carrying case
    • Wrist strap
    • User’s manual on CD
    • Getting started Guide
    • Measurement features: Min./Max. mode, Differential mode, Gain Adjust Freeze mode, Automatic Probe Recognition, Zero Compensation


    Optional Accessories

    • 2214E (U8880014): 5-step test block, English units
    • 2214M (U8880016): 5-step test block, metric units
    • 27MG/RPC (U8780343): Protective rubber boot with Neck Strap and Gauge Stand
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