SigmaCheck 2 Eddy Current Conductivity Meter
The Ether NDE SigmaCheck 2 Eddy Current Conductivity Meter is designed to give accurate conductivity measurements while offering the user the very best in reliability, usability, technology and cost-effectiveness. The SigmaCheck 2 is extremely user friendly and can just as easily be operated by a semi-skilled Operator as by Experts. It is equally at home in the Aerospace, Metals Processing, Casting, Maintenance and Quality Assurance industries as well as appealing to Heat Treatment Specialists.
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The SigmaCheck 2 may be used to comply with the requirements of the following inspection procedures:
- Boeing BAC5651
- Airbus AITM 6-6004
- ASTM E1004
- AMS2658
- BS EN 2007
- MIL-STD-1537
- Bell Helicopter BPS 4453
Key Features
Applications
- Material Verification / Metal Sorting.
- Heat Treatment Verification.
- Heat or Fire Damage Investigation.
- Non-conductive Coating Thickness Measurement.
- Determining the Purity Composition of Materials. I.e. Gold Bullion and Coins, Bar Stock.
- Aircraft Structures. E.g. Paint Thickness Measurement
- Assessment of Ageing of Aluminum Profiles
Advantages
- High Resolution Colour Display (2.8”, 320 pixels by 240 pixels).
- Accurate Conductivity Range (0.5% IACS to 110% IACS, 0.28-64 MS/m).
- Wide range of Frequencies for testing thin materials (60kHz, 120kHz, 240kHz, 480kHz). Option of 960kHz.
- Non-conductive Coating Thickness Measurement display up to 0.5mm.
- Lightweight (350 grams / 12 oz). Ergonomic Slim-Line Case design and easy to hold Probe with adjustable finger-grip.
- Two-Year Warranty on Instrument (excludes batteries).
Benefits
- User programmable display.
- 2GB of data storage.
- Able to store over one million data points.
- Uploaded data can be viewed using MS Excel.
- Intelligent charger via USB Port or AC Supply.
- Multiple languages available. E.g. English, German, French, Spanish.
- Excellent resistance to “edge effect”.
- Rapid Display of Conductivity Results.
- Battery life (up to 6 hours).
- Firmware can be upgraded in field.
- Different probes may be configured by loading the appropriate probe map from SD Card.
- Real-time clock for time and date so that readings can be “stamped”.
- Real-time PC control via USB or optional RS232 link.
Specifications
Inspection Technology | Eddy Current. |
Operating Frequencies | 60 kHz, 120 kHz, 240 kHz, 480 kHz, 960 kHz. |
Conductivity Range | 0.5 % IACS to 110 % IACS, 0.28-64 MS/m |
Accuracy | At 20 °C: At 10 % IACS: ±0.1 % IACS. At 100 % IACS: ±0.5 % IAC Over Range 0-40°C: At 10% IACS: ±0.2% IACS. At 100% IACS: ±0.8% IACS Probe in thermal equilibrium with metal. |
Display Resolution | Up to 3 decimal places |
Lift Off | 13 mm probe compensated to 0.020” (0.5mm) 7 mm probe compensated to 0.010” (0.25 mm) |
Temperature Measurement | In-probe sensor (accurate to 0.5 °C). Range 0 °C to + 50 °C |
Automatic Temperature Compensation | Conductivity measurements are corrected to the 20°C value. |
Environmental Range | 0 to 95% relative humidity, 0°C to + 50°C for reliable operation |
Display | 2.8” (70mm) 320 x 240 pixels colour display. LCD with selectable backlight. |
Construction & Storage | High impact, splash-proof, moulded UL94-5VA flame-retardant ABS case. Protective rubber boot to protect the unit, probes, probe cable, operator manual on USB, and removable stand. |
Conductivity Standards | On top of unit. Removable for value verification, and when attached ensures thermal equilibrium. |
Power | 2 x 1.5 V AA NiMH Batteries, Approx up to 6 hrs life. Can also use non-rechargeable AA cells. |
Size | 163mm Long x 80mm Wide x 25mm Deep |
Weight | 350g (0.77 pounds) including batteries |
Data Logger Memory | Removable 2GB micro SD Card allowing over 1 million readings to be stored. |
PC Connectivity | USB port for charger and PC communications |
Probes | 12.7 mm diameter for 60 kHz to 480 kHz. 7 mm probe operates at 480 kHz & 960 kHz. Probes are interchangeable with simple operator resetting procedure. Probes are field exchangeable and do not require return to manufacturer for calibration. |
Accessories | Settings Reference Blocks – A range of conductivity references standards traceable to US and European standards are available for in-field use. Up to five can be mounted on an aluminium anodised holding plate. |