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L-bar Monitoring Prism

Model: GMB-104F/3,GMB-104F/5,GMB-104F/8
1.Replacement of Leica L-bar Prism GMP104-L
2.Prism Accuracy: ≦3",≦5",≦8"
3.Prism Aperture: 25.4mm
4.Prism Constant: -24mm
5.Measuring Range: up to 1000m
6.Copper-coated, weather-proof
7.One-piece Housing and Rain Cover

  • GMB-104F (GMP-104L)
  • Geomaster
  • 9015900090

Features & Specifications
Model: GMB-104F/3,GMB-104F/5,GMB-104F/8
1.Equivalent to and Replacement of Leica L-bar Monitoring Prism GMP104-L
2.Accuracy: GMB-104F/3: ≦3"; GMB-104F/5: ≦5"; GMB-104F/8: ≦8"
3.Mini Prism Effective Aperture: 25.4mm (1 inch)
4.Central Height: 60mm (as shown)
5.Prism Constant: depending on mounting positions (-24mm)
6.Measuring Range: up to 1000m (under normal weather condition)
precision-ground Optical Glass K9
8.Clear Aperture: ≧95%
9.Prism Reflectivity: 95%
10.Prism Surface Finish: 60~40
; silver-coated, anti-reflex silver-coated or anti-reflex copper-coated available
12.One-piece black anodized Aluminum Canister with Rain Cover (Weather Hood)
ust-proof, moisture-proof and water-proof for rough working environments
14.Sturdy Aluminum Holder L-bar: 3"×3", w.1 Hole (Diameter 10mm) mounting on different surfaces or places,
temporary or permanent
15.Ideal for short-range monitoring and surveying in difficult sites such as bridges,tunnels,railway,subway...
16.Customization service available

Note: Any updating would be subject to change without prior notice.

Related Names
360-deg Prism,90-deg Prism,Cats Eye Prism,L-bar Prism,Leica Prism,Mini Prism,Mini Prism Set,Mini Prism System,Monitoring Mini Prism,Monitoring Prism,
Nikon Prism,Prism Reflector,Prism Station,Reflector Prism,Road Monitoring Prism,Road Prism,Road Stud,Robotic Prism,Robotic Prism,Robotic Prism Station,Rotating Prism,Sokkia Prism,Stakeout Mini-Prism, Surveying Accessories, Surveying Equipment,Surveying Instrument,Surveying Prism,Topcon Prism,Traverse Prism Kit,Traverse Prism System,Trimble Prism,Tunnel Prism, Drone Prism, UAV Prism,GPS Prism,Laser Prism,Scanner Prism, 3D Prism,
Target Prism, Optical Glass,Optical Prism, Optical Square

Packing Details
Model: GMB-104F/3,GMB-104F/5,GMB-104F/8
1.N.W.: 144g
2.Qty./CTN: 100pcs
3.G.W./CTN: 16kg
4.Size/CTN: 0.08cbm(45cm×45cm×40cm)

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About Us

Head Office

Tianjin Geochoix Equip Sales Ltd

(a part of Geomaster Group)

No.4-1,Hongkong Garden B,Dongli 

Dist.,Tianjin 300300,China

Tel: +86-22-24985925/27/28/29

Fax: +86-22-24985926

Branch Office

Geomaster (Canada) Int'l Supplies,Inc

(a part of Geomaster Group) Montreal,Quebec,Canada


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