定镜水准仪
Photo for reference; configuration may vary by order.
Model No. DLV-0001 · Surveying & Geomatics Equipment
30倍内调焦定镜水准仪（带水平度盘）
Colleges teaching levelling from first principles still want a dumpy level that students must set up and adjust by hand. This 30× internal-focusing model has a 40 mm objective and a 20″/2 mm main bubble, giving about ±3 mm per km. A four-footscrew head, 1.5 m minimum focus and 360° circle complete it.
| 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.
Colleges teaching levelling from first principles still want a dumpy level that students must set up and adjust by hand. This 30× internal-focusing model has a 40 mm objective and a 20″/2 mm main bubble, giving about ±3 mm per km. A four-footscrew head, 1.5 m minimum focus and 360° circle complete it.
| Parameter | Value |
|---|---|
| Telescope magnification 望远镜放大倍率 | 30×, internal focusing |
| Objective aperture 物镜孔径 | 40 mm |
| Main bubble sensitivity 管水准器格值 | 20″/2 mm |
| Accuracy (1 km double run) 每公里往返测高差中误差 | ±3 mm |
| Shortest focusing distance 最短视距 | 1.5 m |
| Stadia ratio 视距乘常数 | 100 |
| Horizontal circle 水平度盘 | 360°, 1° graduation |
| Levelling head 整平机构 | Four footscrews |
| Weight 重量 | 2.6 kg |
| Model No. | DLV-0001 |
| 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.
