Specifications
Model | B20 |
Telescope | |
Length | 215mm (8.46in.) |
Magnification | 32x |
Objective aperture | 42mm (1.65in.) |
Resolving power | 3" |
Field of View | 1°20' |
Minimum focus | 0.2m (7.9in.) from end of telescope |
Image | Erect |
Reticle pattern | Wedge |
Stadia constant | 0 |
Stadia ratio | 100 |
Focusing knob | 2-speed |
Sighting aid | Peep sight |
Lens hood | Retractable |
Accuracy (standard deviation for 1km double run leveling) | |
Without micrometer | 0.7mm |
With micrometer | 0.5mm |
Compensator | |
Type | Pendulum compensator with magnetic damping system |
Setting accuracy | 0.3" |
Working range | ±15' |
Circular level | |
Sensitivity | 10' / 2mm |
Mirror | Pentaprism |
Horizontal circle | |
Diameter | 103mm (4.1 in.) |
Graduations | 1° / 1gon |
General | |
Horizontal motion drive | Clampless, endless, double-sided knobs |
Water resistance | IPX6 (EC 60529:2001) |
Operating temperature | -20 to +50°C (-4 to +122°F) |
Width | 130mm (5.12in.) |
Length | 215mm (8.46in.) |
Height | 140mm (5.51in.) |
Weight | 1.85kg (4.1 lb.) |
1. Warranty: 12 months warranty is offered for survey equipment. 6 months warranty offered for survey accessory. Warranty comes in effective from the day your receive good
2. Repair in warranty: We are responsible for supplying new parts for repairing. Round way freight will be bored by us. If it is necessary, product will be required to send back to our service center to be repaired, round way freight is charged by us. Our engineer will repair in your office for special case
3. Repair out of warranty: We will offer related parts at commercial cost. Freight will be shared by us
4. Training and calibration: Our engineer is qualified for training and calibration for GNSS and Total Station on site. We offer this service to bulk order while customer has requirement
5. Technical support is offered 24/365
1.What kind payment method we accept?
T/T, L/C at sight, Western Union, Trade Assurance on Alibaba, Moneygram and Paypal
Note: Customer will be requested to pay 4% transaction fee upon total amount charged by EBAY
2.How can you guarantee payment safety ?
Our company supports TRADE ASSURANCE service. If you will choose payment through ALIBABA TRADE ASSURANCE service, you payment will be guaranteed. Because we are not able to receive payment until you confirm goods receipt
3.What kinds of shipment for goods and how long time it takes ?
Our company supports DHL, FEDEX, UPS, TNT, CHINA POST, by sea and other methods. Shipping time is 3-5 days from payment receipt
4.Does your company ship battery or not ?
Our company can receive battery order and ship to customer normally, except a few special countries
5.Do you have other items not displayed on your website ?
Yes, our company supplies full survey range products. If you are looking for product not displayed on our website. Please contact us freely. We will reply you on time
Shanghai New Continent Trade CO.,LTD
We are a survey solution provider who sell survey equipment, and offer survey service
Product range: Theodolite, Total Station, auto level, GPS/GNSS receiver, Echo Sounder, beacon receiver, 3D scanning and UAV
Survey service: Repair, training and calibration and data processing
Allen Niu
Mobile/Whatsapp/Wechat: 86 18817572096
Tel: 86 021 67896359 Fax: 86 021 67896359
Skype:
Website: http://www.nctrade.net,
http://www.nctrade.en.alibaba.com
Address: Floor 14, Bldg. 1, No. 339, Jiuxin Road, Jiuting Town, Songjiang District, Shanghai, China