More accurate measurement
Measure angle more accurate, supported by our absolute encoder and distance, and measure distance more accurate, supported by our powerful EDM unit.
Faster and more convenient measurement
Measure more points per day due to faster measurement and stakeout (including guide light, trigger key for instant measuring), supported by our comprehensive and user-friendly software.
More reliable result
Use both X-axis and Y-axis compensators to ensure the reliability of your measurement result.
Rich software applications
Experience rich applications, including offsets, tie distance, area & volume, remote height, reference line/arc, construction and 2D road, to meet your filed measurement needs.
High quality, designed for harsh environments
Operate the device even under harsh environments (like dust, mud, rain, extreme heat and cold) for many years, supported by its high level of quality.
|
|
E3 |
E3L |
|
|
Angle Measurement |
|||
|
Reading
system |
Absolute
encoder |
√ |
√ |
|
Display
resolution |
1”
/ 5” / 10” |
√ |
√ |
|
Accuracy |
2” |
√ |
√ |
|
Distance Measurement |
|||
|
Minimum
reading |
0.0001 m |
0.001 m |
|
|
Measurement
display |
10
digits |
√ |
√ |
|
Range |
n Prism: 2 - 3000 m n Reflector: 2 - 800 m n Non-Prism: |
√ |
√ |
|
Accuracy
|
n Prism: ± (2 mm + 2 ppm • D) n Reflector: ± (3 mm + 2 ppm • D) n Non-Prism: · 2 - 150 m: ± (3 mm + 2 ppm • D) · 150 - 300 m: ± (5 mm + 3 ppm • D) · 300 - 500 m: ± (10 mm + 5 ppm • D) · 500 - 800 m: ± (20 mm + 10 ppm • D) |
√ |
√ |
|
Telescope |
|||
|
Magnification |
30x |
√ |
√ |
|
Field
angle |
1°30' |
√ |
√ |
|
Minimum
focus |
1
m |
√ |
√ |
|
Objective
aperture |
50
mm |
√ |
√ |
|
Image |
Erect |
√ |
√ |
|
Resolution |
3” |
√ |
√ |
|
Reticle illumination |
10 levels |
1 level |
|
|
Laser
pointer |
Support |
√ |
√ |
|
Guide
light |
Support |
√ |
√ |
|
Compensator |
|||
|
Compensator
type |
Dual
axis |
√ |
√ |
|
Compensator
range |
±3’ |
√ |
√ |
|
Compensator
resolution |
1” |
√ |
√ |
|
Measurement Time |
|||
|
Tracking/rapid/fine |
0.2
s / 0.6 s / 1 s |
√ |
√ |
|
Level Vial Sensitivity |
|||
|
Plate
level |
30”
/ 2 mm |
√ |
√ |
|
Circular
level |
8’
/ 2 mm |
√ |
√ |
|
Laser Plummet |
|||
|
Laser
accuracy |
±1 mm within 0.8 - 1.5 m |
√ |
√ |
|
Laser
spot |
≤2 mm within 0.8 - 1.5 m |
√ |
√ |
|
Wavelength |
635
nm |
√ |
√ |
|
Safety |
Class
2 |
√ |
√ |
|
Output
power |
0.7
- 1.0 mW |
√ |
√ |
|
Data Management |
|||
|
Memory |
50,000
points |
√ |
√ |
|
SD
card |
8
GB |
√ |
√ |
|
Bluetooth |
Support |
√ |
√ |
|
Software Menu Style |
|||
|
Text-based |
Support |
√ |
× |
|
Icon-based |
Support |
× |
√ |
|
Battery |
|||
|
Voltage |
DC
7.4 V |
√ |
√ |
|
Capacity |
2600
mAh |
√ |
√ |
|
Alert |
n Low voltage n Power off automatically after 10 minutes |
√ |
√ |
|
Working
time |
n Angle and distance measurement: ＞8 hours (measure distance every 30 seconds) n Angle measurement: ＞12 hours |
√ |
√ |
|
Charge
time |
4
hours |
√ |
√ |
|
Physical Specification |
|||
|
Dimension |
170
x 190 x 345 mm |
√ |
√ |
|
Screen |
n Alphanumerical keyboard n Dual screens n 30 x Keys (per side) n Graphic LCD (8 lines) |
√ |
√ |
|
Key
for fast measurement |
Support |
√ |
√ |
|
Interface |
RS-232C, SD card, mini USB |
√ |
√ |
|
Water/dust
proof |
IP55 |
√ |
√ |
|
Working
temperature |
-20℃ - +50℃ |
√ |
√ |
|
Storage
temperature |
-40℃ - +70℃ |
√ |
√ |
|
Prism
constant range |
-99.9
- +99.9 mm |
-999.9
- + 999.9 mm |
|
|
Atmos
correction PPM |
-499
- +499 ppm |
Automatically
calculated |
|
|
Certificate |
CE, FCC |
√ |
√ |
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