RM410 - Thermometer Grado - Free user manual and instructions
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| Product Type | Infrared Thermometer |
| Model | RM410 |
| Brand | Grado |
| Measurement Range | -50°C to 380°C (-58°F to 716°F) |
| Accuracy | ±1.5°C or ±1.5% of reading |
| Resolution | 0.1°C / 0.1°F |
| Response Time | < 500 ms |
| Display Type | Backlit LCD |
| Distance to Spot Ratio | 12:1 |
| Emissivity | 0.95 fixed |
| Auto Power Off | Yes, after 15 seconds |
| Power Source | 1 x 9V battery (not included) |
| Battery Life | Approximately 12 hours continuous use |
| Dimensions | 152 x 101 x 38 mm (6.0 x 4.0 x 1.5 in) |
| Weight | 165 g (5.8 oz) without battery |
| Material | ABS plastic |
| Color | Black with yellow accents |
| Operating Temperature | 0°C to 50°C (32°F to 122°F) |
| Storage Temperature | -20°C to 60°C (-4°F to 140°F) |
| Safety Certifications | CE, RoHS |
| Included Accessories | User manual, battery (for demo purposes only) |
Frequently Asked Questions - RM410 Grado
How do I change the battery in my Grado RM410 thermometer?
To change the battery, slide the battery cover off the back of the thermometer. Remove the old 9V battery and replace it with a new one, ensuring correct polarity. Slide the cover back on until it clicks.
What is the measurement range of the RM410?
The Grado RM410 has a measurement range of -50°C to 380°C (-58°F to 716°F). It can measure both low and high temperatures accurately.
How accurate is the Grado RM410 thermometer?
The accuracy is ±1.5°C or ±1.5% of the reading, whichever is greater. For most applications, this provides reliable results.
Can I use the RM410 to measure body temperature?
No, the RM410 is designed for industrial and surface temperature measurements, not for human body temperature. It is not a medical device.
How do I clean the lens of the infrared thermometer?
Use a soft, dry cloth to gently wipe the lens. Avoid using abrasive cleaners or solvents. If necessary, a mild lens cleaning solution can be used with a microfiber cloth.
Why does the thermometer display 'Err' or '---'?
An 'Err' or '---' message usually indicates that the measurement is out of range, the target is too reflective, or there is a malfunction. Ensure the target is within the specified temperature range and that the lens is clean.
What does the distance to spot ratio mean?
The distance to spot ratio of 12:1 means that for every 12 units of distance from the target, the measured spot diameter is 1 unit. For example, at 12 inches away, the spot diameter is 1 inch.
How do I switch between Celsius and Fahrenheit?
Press and hold the 'MODE' button for about 3 seconds to toggle between °C and °F. The current unit will be displayed on the screen.
Does the RM410 have a backlight?
Yes, the thermometer features a backlit LCD display for easy reading in low-light conditions. The backlight turns on automatically when a button is pressed.
Can I replace the battery with a rechargeable 9V?
Yes, you can use a standard 9V rechargeable battery. Make sure it is fully charged before use. Battery life may vary depending on the battery type.
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