This document is the user manual for the MVI - Mercury Vapour Indicator instrument, providing information on the specifications, packing list, description, operating controls, battery charging, preparation for use, interferences, and user maintenance.
The Mercury Vapour Indicator (MVI) is a handheld detector used to monitor environments where mercury vapour may be present. It measures concentrations in micrograms per cubic metre and displays real‑time readings on an LCD screen.
The manual includes safety precautions for handling mercury and UV light, warranty information, calibration and repair procedures, and a full list of specifications and consumable items. It also outlines battery charging, operating controls, and user maintenance steps such as filter replacement and alarm adjustments.
| Measuring Range | 0.1‑199.9 and 1.0‑1999 g/m³ (user controlled) |
|---|---|
| Sensitivity | +5 µg or +10 % of reading |
| Response Time | Approximately 3 seconds |
| Temperature Range | +10 °C to +50 °C |
| Battery Type | 15 V Ni‑Cad rechargeable |
| Battery Life | Greater than 6 hours after full charge |
| Dimensions | 145 × 295 × 80 mm (120 mm with handle) |
| Weight | 6 lb 10 oz (3 kg) |
| Zero Drift | Less than 5 pg/hour |
| Audible Alarm | Factory preset to 25 µg/m³ |
The MVI requires annual calibration to maintain the best accuracy.
UV protective glasses must be worn if the lamp is operated while exposed.
The warranty period on this product is 12 months from the date of sale.
Dispose of the MVI and its components in accordance with local and national safety and environmental requirements, including the European WEEE directive.