| FEATURE |
AT-5000 |
AT-3500 |
| Depth measurement |
20 ft |
16 ft |
| Passive tracing frequencies |
50 Hz, 60 Hz, 100 Hz and 120 Hz |
50 Hz / 60 Hz |
| Transmitter frequency |
Selectable: 491 to 166 kHz |
Single, non-adjustable |
| Receiver active frequencies (Hz) |
491, 982, 8.44k, 9.82k, 35k, 82k, 83k (North America)
491, 512, 577, 640, 982, 8k, 8.44k, 9.82k, 35k, 65.5k, 82k, 83k (Worldwide) |
32.768 kHz |
| Receiver passive frequencies (Hz) |
50, 60, 100, 120, RF (14k-21k)
Extended and special frequency sets available |
Range 1: radio 15 kHz to 23 kHz
Range 2: power network 50 Hz / 60 Hz; optionally 100 Hz (can be adjusted by Amprobe service personnel) |
| Receiver depth display accuracy |
0-10 ft: +/- (5 %+2)
under ideal field conditions
10-20 ft: +/- 10%
under ideal field conditions |
Range 1: radio +/- 20 %
Range 2: power network +/- 20 %
Range 3: transmitter +/- 5 % (>5m (6-FT)), +/- 20 % (<5m (15-FT)) |
| Receiver depth range |
Maximum 20 ft (600 cm) |
Maximum 16 ft (488 cm) |
| Receiver antenna (distance sensitive left/right guidance) |
• |
- |
| Line ID (signal select, guidance compass, distortion alert) |
• |
- |
| Specifications |
| Depth measurement: |
10 ft |
| Passive tracing frequencies: |
50 / 60 Hz |
| Transmitter frequency: |
Single, non-adjustable |
| R-3500 Frequency ranges: |
Range 1: radio 15 kHz to 23 kHz |
| R-3500 Frequency ranges: |
Range 2: power network 50 Hz / 60 Hz; optionally 100 Hz (can be adjusted by Amprobe service personnel) |
| R-3500 Frequency ranges: |
Range 3: transmitter 32.768 kHz |
| R-3500 Sensitivity at a depth of 1m: |
Range 1: radio >20 ìA |
| R-3500 Sensitivity at a depth of 1m: |
Range 2: power network >7 mA |
| R-3500 Sensitivity at a depth of 1m: |
Range 3: transmitter >5 ìA |
| R-3500 Power supply: |
10 x IEC R6 / AA cell / Mignon |
| R-3500 Operating time: |
40 hours (for intermittent use with alkaline batteries, 20 °C) |
| R-3500 Weight: |
2.5 kg (5.51 lbs) |
| R-3500 Dimensions (W x H x D): |
99 x 660 x 252 mm,(3.90 x 25.98x 9.92 in) |
| T-3500 Transmitted power: |
0.1 W / 0.5 W (switchable) |
| T-3500 Frequency: |
32.768 kHz |
| T-3500 Power supply: |
6 x IEC R20 / D cell / Mono |
| T-3500 Operating time: |
40 hours (for intermittent use with alkaline batteries, 20 °C) |
| T-3500 Weight: |
1.7 kg (3.75 lbs.) |
| T-3500 Dimensions (W x H x D): |
260 x 255 x 140 mm (10.24 x 10.04 x 5.5 in) |
| T-3500 Type of protection in accordance with EN 60529: |
Dust and water protected IP 56 |