定镜水准仪
Photo for reference; configuration may vary by order.
Model No. DLV-0002 · Surveying & Geomatics Equipment
20倍学生型定镜水准仪
Polytechnics equipping a whole class need a light, inexpensive level that still behaves like a real instrument. This 20× student dumpy has a 30 mm objective and 40″/2 mm bubble, levelling to about ±5 mm per km. It focuses from 1.2 m, uses three footscrews and weighs only 1.8 kg.
| Place of origin | China (dispatched from Shanghai) |
|---|---|
| Brand | Liquid International / OEM on request |
| Export packing | Fumigation-free plywood case or reinforced carton |
| Loading port | Shanghai / Ningbo (others on request) |
| Payment terms | T/T, L/C at sight (confirmed on quotation) |
| Trade terms | EXW, FOB, CFR, CIF, DAP |
Typical export terms — final terms are confirmed on the proforma invoice.
Polytechnics equipping a whole class need a light, inexpensive level that still behaves like a real instrument. This 20× student dumpy has a 30 mm objective and 40″/2 mm bubble, levelling to about ±5 mm per km. It focuses from 1.2 m, uses three footscrews and weighs only 1.8 kg.
| Parameter | Value |
|---|---|
| Telescope magnification 望远镜放大倍率 | 20×, internal focusing |
| Objective aperture 物镜孔径 | 30 mm |
| Main bubble sensitivity 管水准器格值 | 40″/2 mm |
| Accuracy (1 km double run) 每公里往返测高差中误差 | ±5 mm |
| Shortest focusing distance 最短视距 | 1.2 m |
| Stadia ratio 视距乘常数 | 100 |
| Levelling head 整平机构 | Three footscrews |
| Body 机身 | Aluminium alloy, enamelled |
| Weight 重量 | 1.8 kg |
| Model No. | DLV-0002 |
| Place of origin | China (dispatched from Shanghai) |
Chinese national standards (GB/T, JJG) and international standards referenced for this product type. Test reports and certificates are supplied with the quotation on request.
Fumigation-free plywood case or reinforced carton
Every unit is power-tested before packing; enclosed in shock foam and moisture barrier; wooden cases comply with ISPM 15.
Shanghai / Ningbo (others on request)
Full container load (FCL), less-than-container load (LCL) or air freight; complete export documentation provided.
Complete the form below — an export engineer will send technical configurations and a formal proforma invoice within 24 hours.
Single instruments, complete laboratories or government tenders — our export engineers prepare the configuration, proforma invoice and shipping documents.
