Sealey Infrared Laser Digital Thermometer - VS900

Detects energy emission in the infrared spectrum and converts reading into a display of temperatur...

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Product Information

Full details

The Sealey Infrared Laser Digital Thermometer - VS900 is designed for professionals and DIY enthusiasts needing to measure surface temperatures from a distance. Its key benefit is providing instant, non-contact temperature readings with a helpful laser pointer for targeting. A potential caveat is its accuracy, which can be affected by environmental factors and emissivity settings not controllable on this model.

All features

Model Part NumberVS900
BrandSealey

Extended Product Information

FAQs

What is the temperature range of the VS900?

The temperature range is -50°C to +380°C (-58°F to +716°F).

How do I switch between Celsius and Fahrenheit?

Press the '°C/°F' button to toggle between the two temperature units.

How long does the battery last?

Battery life depends on usage, particularly how often the laser and backlight are active. The auto power-off feature helps conserve battery.

Can this thermometer measure the temperature inside a hot liquid?

No, this is a surface temperature thermometer. It measures the infrared energy emitted from the surface and is not designed for immersion into liquids.

What does the 12:1 focal ratio mean?

It means that at a distance of 12 inches, the thermometer measures a spot size of 1 inch in diameter. The further away you are, the larger the area being measured.

How accurate is the VS900?

The accuracy is typically ±1.5% of the reading.

Does it come with a battery?

Yes, it is powered by a 9V battery which is supplied with the unit.

Troubleshooting

Device not turning on

Check if the 9V battery is inserted correctly and has sufficient charge. Replace the battery if necessary.

Inaccurate temperature readings

Ensure the lens is clean and the target surface is within the optimal distance (based on the 12:1 focal ratio). Check that the thermometer is held steady. Note that readings may vary on surfaces with low emissivity.

Laser pointer not working

Verify the 9V battery is properly installed and charged. The laser is typically active when the trigger is pulled.

Display is dim or unreadable

The backlight may be on, but if readings are consistently poor, the 9V battery may be low and require replacement.

Pros and Cons

Pros

  • Non-contact temperature measurement for safety and convenience.
  • Integrated laser pointer for accurate targeting.
  • Clear, backlit LCD display for easy reading in any lighting.
  • Switchable °C/°F units for global compatibility.
  • Data hold function simplifies recording measurements.
  • Compact and lightweight design (151.0 grams).

Cons

  • Accuracy is ±1.5%, which may not be sufficient for highly precise applications.
  • Emissivity adjustment is not available on this model, potentially affecting accuracy on different surfaces.
  • Requires a 9V battery, which needs periodic replacement.
  • Temperature range is limited to -50°C to +380°C (-58°F to +716°F).
  • Focal ratio of 12:1 means the measurement spot size increases with distance.

Setup, Compatibility & Care

Setup:

  1. Ensure a 9V battery is correctly inserted into the battery compartment.
  2. Point the thermometer at the target surface.
  3. Pull the trigger to activate the laser and take a reading.
  4. Press the 'HOLD' button to retain the displayed temperature.
  5. Use the '°C/°F' button to switch between temperature units.

Compatibility:

This device measures surface temperature through infrared emission and is compatible with any surface that emits thermal radiation. It is not designed for measuring internal temperatures of liquids or gases directly.

Care:

  • Keep the lens clean. Use a soft, dry cloth or a lens cleaning solution suitable for optics. Avoid abrasive materials.
  • Store the thermometer in a dry, cool place away from direct sunlight and extreme temperatures.
  • Do not immerse the device in water or any other liquid.
  • Replace the 9V battery when the display indicates low power or readings become erratic.

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