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| Categories | Surveying Instrument | 
|---|---|
| Brand Name: | FOIF | 
| Model Number: | EL28 | 
| Certification: | ISO | 
| Place of Origin: | China | 
| MOQ: | 1 Piece | 
| Price: | 400USD~500USD | 
| Payment Terms: | T/T | 
| Supply Ability: | 100 pieces per month | 
| Delivery Time: | 10~20 Work Day | 
| Packaging Details: | Carton | 
| Model: | EL28 | 
| Brand: | FOIF | 
| Compensator: | Magnetic-Damped | 
| Magnification: | 28X | 
| Objective Apeture: | 45mm | 
| Accuracy 1km double run: | 1.5mm | 
| Minimum Focus: | 0.8m | 
| Water Proof: | IP54 | 
| Company Info. | 
| Leo Survey Instrument Co.,Ltd | 
| Verified Supplier | 
| View Contact Details | 
| Product List | 
High Precision Automatic Measuring Surveying Instrument 28X Digital Level FOIF EL28
Model: EL28
Specifications:
| Brand | FOIF | 
| Model | EL28 | 
| Compensator | Magnetic-Damped | 
| Magnification | 28X | 
| Objective Apeture | 45mm | 
| Accuracy 1km double run | 1.5mm | 
| Minimum Focus | 0.8m | 
| Water Proof | IP54 | 
Features:
· Easy one-touch operation, simply push the trigger key
· Quicker and easier than an optical level Efficiency increased by 30%
· The battery could work more than one week, compact design
· Quick height and distance result-the reading is displayed almost instantly with measurement
· Advance compensator checking button
Detailed Data Sheet:
| Model | EL28 | |
| Accuracy | ||
| Standard deviation of km double run | ||
| Electronic measurement | +/-1.5mm* | |
| Optical measurement | +/- l.5mm* | |
| Electronic measurement | ||
| Time for single measurement | ≤2s | |
| Range | 2-80m | |
| Measurement modes | Singel, tracking | |
| Display resolution(m/in selectable) | ||
| Height | 1mm/0.01ft | |
| Distance | 10mm/0.1ft | |
| Telescope | ||
| Clear objective aperature | 45mm | |
| Magnification | 28x | |
| Field of view at 100m | 2.6m | |
| Shortest focus distance | 0.8m | |
| Automatic compensator | ||
| Working range | 15' | |
| Setting accuracy | +/-0.4" | |
| Power | ||
| Battery | 2000mAh Ni-MH rechargeable | |
| Continuous operating time | 40 hours | |
| Measurement programs | ||
| On-board programs | DH,inverse staff measurement I error checking and adjustment | |
| Others | ||
| Display | Segment display | |
| Keyboard | Function key board,6 keys | |
| Interface | RS232 | |
| Sensitivity of circular level | 8'/2mm | |
| Water and dusp protection | IP54 | |
| Operating temperature | -20°C~50°C | |
| Net weight | 2kg | |
Detailed Pictures:




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