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HLM-250 Manual Lensmeter is a portable optical lens measurement device designed for clinics, optical shops, and mobile services to check prescription lens parameters accurately.
The HLM-250 uses an internal reading system to measure sphere power, cylinder axis, and prism diopter up to ±25D. It provides a practical solution for lens verification, eyewear fitting, and on-site optical testing.
With a large observation range and LED green light illumination, the HLM-250 allows clear lens alignment while maintaining low power consumption. The medical power adapter improves operation safety, and external battery support makes it suitable for mobile optical services.
The HLM-250 is designed for optical professionals who need reliable manual lens measurement in different working environments, including optical stores, clinics, training facilities, and mobile vision services.
Specifications
| Range of measurement | -25m -1 ~ +25m -1 |
| Minimum scale value | -5m -1 ~ +5m -1 : 0.125m -1 ;-5m -1 ~ -25m -1 ;5m -1 ~ +25m -1 : 0.25m -1 |
| Astigmatism axisof cylindric lens | 0 ~ 180degree, Minimum scale value 1degree |
| Prism diopter | Standard model: 0 ~ 5cm/m Minimum scale value: 1cm/m Strengthened model (with prism compensator): 0 ~ 20cm/m Minimum scale value: 1cm/m |
| Prism basal angle | 0 ~ 180degree Minimum scale value degree |
| Regulation of ocular visivility | -5m-1~ +5m-1 |
| Size of lens | φ16mm ~ φ 80mm |
| Overall dimensions of device | 280mm (L) ×150mm (W) ×450mm (H) |
| Weight: Standard model | 4.9kg / Strengthened Model: 5kg |
| Lighting lamp | 6V / 2A 12W |
Trusted Services:
1. Get Video and Brochure with Email or WhatsApp.
2. Free online technical support and training.
3. Free online installation support.
4. 1-3 Years quality warranty.
5. Lifetime after sales support.
6. Most products are CE and ISO 13485 certificated.
7. Free input voltage and plug customization for electrical machines.
8. Fast worldwide shipping, 5-10 working days delivery for most countries.
9. Partial prepayment is acceptable before shipping.
10. Discount price, non-branded or customized products can be offered for distributors.




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