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The FOIF EL302A is a professional digital level designed for efficient height measurement in surveying, construction and engineering projects. It combines electronic staff reading with simple one-touch operation, allowing surveyors to obtain height and distance results quickly while reducing the need for manual staff reading. Its built-in leveling and stakeout programs also support common field workflows.
Key Features
0.7 mm/km electronic leveling accuracy with an Invar staff
30× telescope for routine and professional field surveying
One-touch measurement with the dedicated MEAS key
Electronic height and distance measurement
Reliable staff reading in dim light conditions
Built-in leveling, intermediate sight and stakeout programs
Automatic height and height-difference calculation
Internal memory and SD card support
Optical reading available when required
LCD display with illuminated readout
IP54 protection for field operation
Efficient Digital Leveling for Engineering Projects
The EL302A focuses on practical field productivity rather than advanced imaging features. Its straightforward interface allows surveyors to take measurements with a single operation and immediately view the resulting height and distance data. Built-in leveling sequences and stakeout functions further reduce the amount of manual calculation required during routine engineering work.
For projects involving repeated elevation checks, construction layout or general leveling, the EL302A provides a useful balance between digital measurement capability and uncomplicated operation.
Core Specifications
Model: FOIF EL302A
Electronic leveling accuracy: ±0.7 mm/km with Invar staff
Optical measurement accuracy: ±1.5 mm/km
Electronic measurement range: 2–105 m
Single measurement time: ≤2 s
Telescope magnification: 30×
Objective aperture: 45 mm
Minimum focusing distance: 1.0 m
Compensator working range: ±14′
Compensator setting accuracy: ±0.5″
Height display resolution: 0.01 mm
Distance display resolution: 1 mm
Internal memory: 3,000 points
Data storage: SD card support
Display: illuminated LCD, 7 lines × 32 characters
Battery: 2000 mAh rechargeable Ni-MH
Operating time: approximately 12 hours
Communication: RS-232C
Protection rating: IP54
Operating temperature: -20°C to +50°C
Weight: approximately 3 kg
Applications
Engineering leveling
Construction surveying
Road and infrastructure projects
Elevation measurement
Height stakeout
Settlement monitoring
General topographic surveying
Construction quality control