定镜水准仪
Photo for reference; configuration may vary by order.
Model No. DLV-0003 · Surveying & Geomatics Equipment
25倍外调焦黄铜定镜水准仪
Some syllabi still teach the classic external-focusing dumpy, where the draw tube and adjustable diaphragm show how collimation works. This lacquered brass instrument has a 300 mm, 25× telescope with 35 mm objective and a 30″/2 mm bubble. It sits on a four-footscrew parallel-plate head.
| 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.
Some syllabi still teach the classic external-focusing dumpy, where the draw tube and adjustable diaphragm show how collimation works. This lacquered brass instrument has a 300 mm, 25× telescope with 35 mm objective and a 30″/2 mm bubble. It sits on a four-footscrew parallel-plate head.
| Parameter | Value |
|---|---|
| Telescope magnification 望远镜放大倍率 | 25×, external focusing draw tube |
| Telescope length 望远镜长度 | 300 mm |
| Objective aperture 物镜孔径 | 35 mm |
| Main bubble sensitivity 管水准器格值 | 30″/2 mm |
| Diaphragm 分划板 | Cross hairs with stadia, adjustable |
| Levelling head 整平机构 | Four footscrews, parallel plates |
| Construction 结构材料 | Lacquered brass |
| Weight 重量 | 3.4 kg |
| Model No. | DLV-0003 |
| 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.
