Johnson & Allen
AlphaGage+ Precision and Corrosion Gauge
Manufacturer product description
Handheld ultrasonic thickness gauge that can be set up for corrosion (dual-element) and/or precision (single-element) measurement, with field-activated data logging (B-scan) and live A-scan waveform options. An echo-to-echo mode measures wall thickness through coatings.
AlphaGage+ Precision and Corrosion Gauge
- Brand
- Johnson & Allen
- Category
- Ultrasonic Testing
- Method / product family
- Model
- AlphaGage+
Technical Specifications
| Transducers | Single or Dual element (according to AlphaGage+ model) |
|---|---|
| Thickness Range (fct. of probe & material) | Typical range in steel (corrosion mode) : 0.508mm to 584mm (0.020”-23”) / Typical range in steel (precision mode): 0.152 to 584mm (0.006 - 23”) and as low as 0.076 mm (.003”) in plastics |
| Resolution | On corrosion mode: 0.01 mm or 0.1 mm (.001” or .010”) / On precision mode: 0.001 mm / or 0.01 mm (.0001” or .001”) |
| Measurement Rate | 4 Hz or 25 Hz |
| Bandwidth | 0.5 MHz to 30 Mhz (-3dB) |
| Differential Mode | Displays the difference from actual thickness measurement / in absolute or percentage of a user entered reference value |
| Fast Min/Max | Displays minimum and maximum simultaneously with actual thickness at up to 25 Hz |
| Gain Settings | Manual adjustment (Low, Standard, High) and Automated Gain Control (AGC) |
| Alarms | According to alarm conditions, the gauge can vibrate (ideal for loud environments), beep or change the colour of the main display. |
| Connector Type | Lemo 00 |
| Size | Length 184 mm (7.25”) x Width 102 mm (4.00”) x Height 51 mm (2.00”) |
| Weight | 520 g (1.2 lb) with internal Li-ion battery / 450 g (1.0 lb) with optional alkaline tray (3xAA batteries) |
| Display | 3.5” high resolution colour TFT display, 320 x 240 pixels, sunlight readable, including multiple colour pallets |
| Backlight Management | Light Emitting Diode (LED) backlight, includes variable light intensity |
| Operating Temperature | -20 to 50°C (-4 to 122°F) |
| Operating Time | 27h @ 4 Hz & 11h @ 25Hz in continuous operation with standard 3.7V Li-ion internally rechargeable battery (optional alkaline tray 3xAA batteries available for extended life) |
| Setup Storage | Internal memory for up to 2,700 calibration and preset setup files |
| Data Storage | With Data Logging (DL) option, a 2GB micro SD card is included (expandable up to 32GB) |
| UI Languages | English, French, German, Spanish, Italian, Russian, Czech, Finnish, Chinese, Japanese, Hungarian. |
| Certifications | CE certified / RHOS compliant |
| Ingress Protection | IP67 |
| Warranty | Limited 2 year warranty under normal use on parts and labor |
Technical specifications are taken from data published by the supplier; refer to the supplier source for final and binding values.
Product Documents
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