RJM Equipment Sales, Inc
Total Survey Station R20
Total Station GPS Survey Stonex R20
3 models: 1000m with 2" accuracy, 1000m with 1" accuracy, 600m with 2" accuracy
5000m range with prism and 1000m or 600m reflectorless
22 hour continous battery life
Temperature and pressure corrections
Bluthooth connection to handheld devices
Features | R20 | R25LR | R60 | R120 | R180 |
Angle Accuracy | 2", 1", 2" | 2" | 1", 2" | 1", 2" | 0.5", 1", 2" |
Prism Measurement | 5000m | 5000m | 5000m | 3500m | 6000m |
Prism Accuracy | 2mm + 2ppm | 2mm + 2ppm | 2mm + 2ppm | 1mm + 1.5ppm | 1mm + 1.5ppm |
Reflectorless Measurement | 600-1000m | 1000m | 1000m | 800-1000m | 800-1000m |
Reflectorless Accuracy | 3mm+2ppm | 3mm+2ppm | 3mm+2ppm | 3mm+2ppm | 2mm+2ppm |
Display | 2 color | 2 LCD's | Android | Android | Android |
Bluetooth | Yes | Yes | Yes | Long range | Long range |
USB | Yes | Yes | Yes | Yes | Yes |
SD card | No | Yes | No | No | No |
RS232 | No | Yes | Yes | Yes | Yes |
Memory | >80,000 points | 4 GB | 32 GB | 64 GB | 32 GB |
Guide Light | No | No | Yes | No | Yes |
H-V Movements | Lock drive | Endless drive | Lock+Endless | Motorized | Motorized |
Operation Time, hours | 22 | 12 | 9 | 5 | 6 |
Weight | 5.6 Kg | 6.0 Kg | 6.5Kg | 7 Kg | 9.5 Kg |
Operation Temp | -20C to +50C | -20C to +50C | -20C to +50C | -20C to +50C | -20C to +50C |
Weather Protection | IP65 | IP55 | IP55 | IP55 | IP65 |