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Product Specifications:
| Item | Digital Ultrasonic Thickness Gauge |
| Accuracy | ±0.04 mm (Less Than 10 mm), ±(0.1% Rdg.+ 0.04 mm) (Less Than 100 mm), ±(0.3% Rdg.) (Greater Than 100 mm) |
| Backlit Display | Yes |
| Batteries Included | Yes |
| Battery Chemistry | Alkaline |
| Battery Life | 100 hrs. |
| Battery Size | AA |
| Battery Type | AA |
| Battery Voltage | 1.5V |
| Calibration Certificate Type | Available Separately |
| Certificate Of Calibration | Not Included |
| Compatible Material | Ceramic, Composite, Epoxy, Glass, Metal, Plastic |
| Compatible Materials | Ultrasonic Conductive Materials |
| Digital Display Screen Type | LCD |
| Dimensions | 5.9" x 2.9" x 1.3" |
| Display Size | 4 Digit |
| Display Type | LCD |
| Gauge Type | Data Logging |
| Includes | Batteries, Hard-Sided Carrying Case, Probe, Ultrasonic Couplant Gel |
| Internal Memory | Yes, Up to 500 Readings, 5 Files Up to 100 Each |
| Low Battery Indicator | Yes |
| Manufacturer Warranty Length | 1 yr. |
| Maximum Frequency | 5 MHz |
| Maximum Operating Temperature | 122°F |
| Maximum Thickness Measured | 15.7" |
| Maximum Velocity | 9999 mps |
| Minimum Frequency | 5 MHz |
| Minimum Operating Temperature | 32°F |
| Minimum Thickness Measured | 0.03" |
| Minimum Velocity | 990 mps |
| No. Of Batteries Required | 2 |
| Number Of Batteries Required | 2 |
| Number Of Digits | 4 |
| Operating Humidity | 20% to 80% |
| Operating Temp. | 32°F to 122°F |
| Power Source | Battery |
| Probe Length | 36" |
| Resolution | 0.01 mm, 0.1 mm (< 100 mm), 0.1 mm (>100 mm) |
| Sampling Time | Less Than 1 Sec. |
| Storage Temp. | -4°F to +140°F |
| Thickness Measurement Accuracy | -0.1% to +0.1% |
| Thickness Measurement Resolution | 0.01" |
Shipping Info:
| Ship weight (kg) | 3.15 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
| Country of Origin | US |
Product Variants
| Product | Model | Number Of Records Stored | Display Type | Battery Voltage | Velocity Range | Price | |
|---|---|---|---|---|---|---|---|
![]() |
R7900-NIST | 500 | - | 1.5V | - | €1,228.38 | |
![]() |
TM-8811 | - | LCD | 1.5V | 500 mps to 9000 mps | €590.37 | |
![]() |
TM-8811-NIST | - | - | 1.5V | - | €827.06 | |
![]() |
R7920 | - | - | - | - | €685.78 | |
![]() |
R7920NIST | - | - | - | - | €963.81 |
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REED INSTRUMENTS R7900 Ultrasonic Thickness Gauge, 400mm
€1,037.04 /unit



