Equipped with a high-performance EDM, the total station delivers 2″ angle accuracy and exceptional distance measurement capabilities—up to 1,500m in reflectorless mode and 5,000m with a prism.
The STSA9 features dual-side 5-inch HD touchscreens that are sunlight-readable, paired with user-friendly keys for smooth onboard operations and clear graphic display.
Powered by a Qualcomm octa-core CPU and Android 9 OS, the STSA9 ensures fast data processing, accurate calculation, and seamless 3rd-party app integration.
Built-in physical levels and digital level bubbles for quick leveling, laser plummet for easy centering, and a manual measure button—all streamline your workflow.
With a 5000mAh Li-ion battery enabling 8 hours of use and a backup battery included, the STSA9 supports full-day work. The IP55 housing ensures protection against tough weather and jobsite conditions.
DISTANCE MEASUREMENT
Range:
- Non-prism: 1500 m
- Single prism: 5000 m
Accuracy (reflector): 2 mm+2 ppm
Accuracy (reflectorless):
- 0-300m: 3 mm+2 ppm
- 300-600m: 5 mm+2 ppm
- >600m: 10 mm+2 ppm
Measurement time:
- Continuous: < 0.7s
- Tracking: < 0.3s
- Fine: < 2s
ANGLE MEASUREMENT
Detection method: Absolute Encoding
Disk diameter: 79mm
Minimum reading: 1"
Accuracy: 2"
COMPENSATION
Type: Dual-axis liquid-electric sensor
Compensator range: ±6'
Correction unit: ±3"
Atmospheric correction: Temperature-pressure sensor auto correction
Prism constant: Auto correction
Trigger: Under battery house
VIAL
Circular level sensitivity: 8'/2 mm
Plate level sensitivity: 30"/2 mm
Plummet: Laser plummet
TELESCOPE
Magnification: 30x
Aperture:
- Effective: 45mm
- DTM: 47mm
Field of view: 1° 30'
Minimum focus: 1.5 m
Resolution: 3"
Image: Erect
Tube length: 150 mm
DISPLAY
Display: LCD graphic touch screen, dual-side screen for easy operation
Size: 5"
Resolution: 1280*720
Graphic Display:
- Max: 99999999.999 m
- Min:0.1 mm
SYSTEM
Operating system: Android 9.0
CPU: Qualcomm MSM8953
Storage: 3GB RAM + 32GB ROM
COMMUNICATION
Bluetooth: v 4.2LE
Wi-Fi: 802. 11b/g (2402 MHz~2482 MHz)
4G:
- TDD-LTE B34/38/40/41
- FDD-LTE B1/3/5/8
- GSM 900/1800MHz
- CDMA BC0
- WCDMA B1/8
ELECTRICAL
Battery voltage: DC 7.4V
Battery capacity: 5000mAh rechargeable Lithium battery
Operating time: 8 hours
PHYSICAL
Size: 206mm × 200mm × 353mm
Weight: 6.0 kg
ENVIRONMENTAL
Working temperature: -20 ℃ to + 50 ℃
Storage temperature: -40 ℃ to + 50 ℃
Waterproof & dustproof: IP55
All specifications are subject to change without notice.