OIV 345 - Microscope Kern - Free user manual and instructions
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| Product Type | Gemological Microscope |
| Brand | Kern |
| Model | OIV 345 |
| Magnification Range | 10x – 80x (zoom) |
| Eyepieces | Pair of 10x / 20 mm widefield |
| Objective | 0.8x – 8x zoom objective |
| Illumination | LED darkfield and brightfield; adjustable intensity |
| Illumination Type | Reflected and transmitted light |
| Power Supply | 100-240 V AC, 50/60 Hz, 12 V DC adapter |
| Dimensions (L x W x H) | Approx. 30 x 25 x 45 cm |
| Weight | Approx. 6 kg |
| Stand Type | Pillar stand with rack and pinion focusing |
| Stage | Rotatable and tiltable stage with spring clips |
| Dust Cover | Included |
| Cleaning | Use soft brush and lens paper; avoid solvents |
| Storage Conditions | Dry, dust-free environment; temperature 5-40°C |
| Safety Features | Automatic shut-off after 30 min inactivity |
| Spare Parts | Replacement bulbs, eyepieces, objectives available |
| Repairability | User-replaceable bulb and fuse; service by certified technician |
| Included Accessories | Manual, power cord, dust cover, spare fuse |
Frequently Asked Questions - OIV 345 Kern
How do I clean the lenses?
Use a soft brush or compressed air to remove dust. For smudges, use lens paper slightly moistened with isopropyl alcohol. Never use paper towels or solvents.
What is the maximum sample height?
The working distance is approximately 100 mm, allowing inspection of samples up to 80 mm thick.
How do I adjust the illumination?
Rotate the intensity knob on the base. Switch between brightfield and darkfield using the lever near the light source.
Can I take photos through the microscope?
Yes, the OIV 345 has a C-mount adapter (optional) for attaching a camera or smartphone adapter.
Why is the image blurry?
Ensure the sample is on the stage, adjust focus using the coarse and fine knobs. Also clean the eyepieces and objective.
How do I replace the LED bulb?
Disconnect power, unscrew the bulb cover at the base, replace the LED module (type: KERN LED-12V). Reassemble.
What does the automatic shut-off do?
The microscope turns off the lights after 30 minutes of inactivity to save power and extend LED life. Press any knob to restart.
Is the microscope suitable for diamond grading?
Yes, the darkfield illumination and adjustable zoom make it ideal for gemological inspection including clarity and inclusions.
How do I calibrate the magnification?
The zoom is pre-calibrated. If needed, use a stage micrometer and adjust the eyepiece reticle (if fitted) by rotating the diopter ring.
Where can I find spare parts?
Contact your local KERN dealer or visit KERN's website for authorized parts. Common parts like bulbs and fuses are user-replaceable.
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USER MANUAL OIV 345 Kern
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Product information
Brand : Kern
Model : OIV 345
Category : Microscope