| Measurement |
| Measurement method |
Low-voltage wet sponge testing |
| Detection |
Holidays, pinholes, porosity, cracks & other coating discontinuities |
| Substrate types |
Metal and concrete substrates |
| Coating thickness range |
0–500 µm / 0–20 mils |
| Test voltage options |
9 V, 67.5 V (80 kΩ sensitivity), 67.5 V (90 kΩ sensitivity) & 90 V DC |
| Voltage accuracy |
±5% |
| Sensitivity |
90 kΩ ±3%, 80 kΩ ±3%, 90 kΩ ±3% & 400 kΩ ±3%, depending on selected voltage |
| Detection Features |
| Holiday detection |
Audible & visible alarms when a coating discontinuity is detected |
| Ground monitoring |
GroundSense™ provides a visible indication that the instrument is properly grounded |
| Voltage verification |
Automatic self-test verifies voltage calibration when the instrument is switched on |
| Voltage regulation |
Regulated voltage outputs maintain the selected voltage under load |
| Electrode compatibility |
Compatible with adaptable sponge hardware, including rectangular, roller & internal diameter configurations |
| Instrument Specifications |
| Design |
Compact, lightweight handheld instrument with ergonomic design |
| Unit dimensions |
27 × 6 × 5.5 cm / 10.6 × 2.3 × 2.1 in, excluding wand |
| Unit weight |
180 g / 6.4 oz, excluding batteries and wand |
| Operating temperature |
−10 to 50°C / 14 to 122°F |
| Battery |
3 × AAA alkaline or rechargeable batteries |
| Battery life |
More than 150 hours, depending on battery type |
| Ingress protection |
IP65 or better — weatherproof, dustproof & shockproof construction |
| Standards & Certification |
| Standards |
ISO 14654, ISO 29601, ISO 8289-A, ASTM G62, ASTM G6, ASTM D5162, BS 7793-2, NACE TM0384, NACE SP0188, AS 3894.2 & JIS K 6766 |
| Calibration certificate |
Long Form Certificate of Calibration traceable to NIST supplied as standard |
| Additional Information |
| Ground cable |
Ground wire supplied for connection to the conductive substrate |
| Electrode |
Moistened sponge electrode for low-voltage pinhole detection |
| Case |
Hard-shell protective carrying case |