R7900 Ultrasonic Thickness Gauge
  • R7900 Ultrasonic Thickness Gauge

R7900 Ultrasonic Thickness Gauge

Tax included

Internal memory capable or storing up to 500 readings, user adjustable high/low alarms.

This ultrasonic thickness gauge has a large backlit LCD display and is capable of measuring the thickness of a wide variety of ultrasonic conductive materials. The R7900 features user adjustable high/low alarms and internal memory capable of storing up to 500 measurements.

Delivery time approx. 2 weeks



- Measures a wide range of material including; metals, plastic, ceramics, composites, epoxies, glass, and other ultrasonic conductive materials
- Large, easy-to-read backlit LCD display
- User selectable unit of measure (in/mm)
- Internal memory stores up to 500 measurements
- Displays sound velocity at the touch of a button
- Zero adjustment button
- User adjustable High/Low alarms
- Built-in two-point calibration function
- Auto sleep, shut off and low battery indicator

What's included with the REED R7900

- Ultrasonic Thickness Gauge
- Ultrasonic Couplant Gel
- Probe
- Hard Carrying Case
- Batteries

Technical data

Measuring Range. 0.03 to 15.7" (0.65 to 400mm)
Accuracy 1a. ±0.04mm (< 10mm)
Accuracy 1b. ±(0.1% rdg.+ 0.04mm) (< 100mm)
Accuracy 1c. ±(0.3% rdg.) (> 100mm)
Resolution 1a. 0.01mm or 0.1mm (< 100mm)
Resolution 1b. 0.1mm (>100mm)
Velocity Range. 1000 to 9999 m/s (0.039 to 0.394 in/µs)
Compatible Materials 1a. Ultrasonic conductive materials (ie. metals, plastics, ceramics, composites,
Compatible Materials 1b. epoxies, glass)
Sampling Time. Less than 1 sec.
Display. 4-Digit, LCD
Backlit Display. Yes
Probe Length. 3' (36")
Internal Memory Yes (up to 500 readings, 5 files up to 100 each)
Low Battery Indicator. Yes
Power Supply. 2 AA Batteries
Battery Life. Approx. 100 hours (Alkaline)
Product Certifications. CE
Operating Temperature. 32 to 122°F (0 to 50°C)
Storage Temperature. -4 to 140°F (-20 to 60°C)
Operating Humidity Range. 20 to 80%
Dimensions. 5.9 x 2.9 x 1.3" (150 x 74 x 32mm)
Weight. 8.4oz (238g)

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