Seek FR40 - Measuring equipment Ermenrich - Free user manual and instructions
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| Product Type | Laser Distance Meter |
| Model | Seek FR40 |
| Brand | Ermenrich |
| Measurement Range | Up to 40 m |
| Accuracy | ±2 mm |
| Laser Class | Class II, <1 mW |
| Wavelength | 635 nm |
| Unit of Measurement | Meters, Feet, Inches |
| Functions | Distance, Area, Volume, Continuous Measurement, Indirect Measurement (Pythagoras) |
| Display | Backlit LCD |
| Battery Type | 2 x AAA (1.5 V) |
| Battery Life | Up to 5,000 measurements |
| Automatic Shut-off | Yes, after 3 minutes of inactivity |
| Dimensions (H x W x D) | 120 x 55 x 28 mm |
| Weight | Approx. 110 g (incl. batteries) |
| Materials | ABS plastic, rubber grip |
| Operating Temperature | 0°C to 40°C |
| Storage Temperature | -10°C to 60°C |
| Water & Dust Resistance | IP54 (splash proof, dust protected) |
| Included Accessories | Carrying pouch, wrist strap, test report, user manual |
| Maintenance & Cleaning | Clean lens with soft cloth; store in dry place |
| Safety Notes | Do not stare into laser; avoid water immersion; keep away from children |
| Spare Parts & Repair | Contact service center; batteries user replaceable |
Frequently Asked Questions - Seek FR40 Ermenrich
How do I switch between measurement units?
Press and hold the UNIT button (usually labeled with a ruler icon) for 2 seconds to cycle through meters, feet, and inches.
What is the maximum measurement distance?
The Ermenrich Seek FR40 measures distances up to 40 meters under favorable conditions (good target reflectivity, low ambient light).
How accurate is the device?
Accuracy is ±2 mm at short ranges; at maximum range it may be up to ±5 mm. Always use the tripod for best results.
Can I measure area and volume?
Yes, the device supports area (by measuring length and width) and volume (length, width, height). Refer to the manual for step-by-step instructions.
Which batteries does it use and how long do they last?
It uses 2 AAA alkaline batteries. Under normal use (about 1,500 measurements per month), the batteries last approximately 6 months or up to 5,000 measurements.
How do I clean the laser lens?
Use a soft, dry, lint-free cloth to gently wipe the lens. For stubborn dirt, slightly dampen the cloth with water. Do not use solvents or abrasive cleaners.
Is the device waterproof?
It is IP54 rated, meaning it is protected from splashing water and dust ingress. Do not submerge in water or use in heavy rain.
What does the error code 'Err 0' mean?
Err 0 indicates a calibration error. Switch the device off, remove the batteries, wait 30 seconds, and reinsert. If it persists, contact support.
Can I measure in low light or outdoors?
Yes, the backlit display is readable in low light. Outdoors, avoid direct sunlight on the receiver; use the included target plate for best results at long range.
Where can I find a replacement wrist strap?
Contact Ermenrich customer service or check the official website. The wrist strap is a standard 5 mm width; generic straps may also fit.
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USER MANUAL Seek FR40 Ermenrich
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Product information
Brand : Ermenrich
Model : Seek FR40
Category : Measuring equipment