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Surveying Instrument
Contact Person :
Janet Lei
Phone Number :
86 18603833033
WhatsApp :
+8618603833033
Dual Thread 35mm 360 Degree Prism Monitoring Edm Total Station
| Place of Origin | China |
|---|---|
| Brand Name | Leosurvey |
| Model Number | PT360 |
| Minimum Order Quantity | 5 Pieces |
| Price | 150USD~160USD |
| Packaging Details | Box and Carton |
| Delivery Time | 10~20 Work Day |
| Payment Terms | T/T |
| Supply Ability | 100 pieces per month |
Product Details
| Prism Constant | 0 | Accuracy | ≤5" |
|---|---|---|---|
| Prism Size | 35mm | Thread | Two 5/8'' |
| Prism | Copper Coated | Package | Soft Bag As Inner Pack |
| Color | Black | Catagory | Total Station Accessories |
| High Light | Dual thread 35mm 360 Degree Prism,EDM Monitoring 360 Degree Prism,Monitoring edm total station |
||
Product Description
Dual 5/8" Mounting Thread 360 Degree Prism High Accuracy Topcon Type for Total Station
Model: PT360
Specifications:
| Prism Constant | 0 |
| Prism Angle Accuracy | ≤5" |
| Prism Size | 35mm |
Highlights:
1. Topcon Type 360 degree full size robotic prism assembly features six 35mm copper-coated prisms and incorporates a protective rubber bumper on the exterior ring.
2. The prism has zero offset and 5/8 X 11 mounting threads on top and bottom.
3. It is compatible with all robotic total stations.
4. Storage case included.
360 Degree Prism
Instead of a single tripleprism glass assembly, the 360° prism consists of six tightly assembled triple prism glass bodies.
Each body is comparable to a single round prism but with smaller dimensions and with only slightly ground corners.
This type of prism provides a continuous and permanent reflection of the EDM signal.
Optical Survey Prism Applications
Surveying reflector prisms are used by surveyors and engineers to measure the change in position of a target that is assumed to be moving. Survey prisms are used for a wide range of monitoring applications including:
- Rail Monitoring
- Settlement Monitoring
- Displacement Monitoring
- Deformation Monitoring
- Convergence Monitoring
Prism Range
Surveying Prisms, also known as retro-reflectors, redirect a measuring beam back to the EDM (Electronic Distance Measurement) for processing distance. There are two main factors for good range measurement: prism diameter and beam deviation. If the beam deviation is not accurate then the returned beam will miss the EDM completely. This occurs mainly near the maximum range of the EDM.
Prism Holder Accuracy
Prism accuracy is determined by the physical location of the prism in its canister and then to the prism holder.
Survey Prism Offsets
Some Surveying Prisms have an offset due to the fact that the transmitted beam from the EDM takes longer to enter and exit the prism. The longer time translates to a longer distance measured. The distance is corrected by using an 'offset' and/or positioning the prism in relationship to the plumb line of the prism holder. Common offsets are 0, -17.5 mm, -30 mm, -34 mm, and -40 mm. The offset is determined by multiplying the height of the prism against the refractive index of the glass used.
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