Data Storage Tags
G5 Tag Specification
Key Features
| Specification | Cefas G5 Standard 1 MB / 2 MB |
Cefas G5 Long Life 1 MB / 2 MB |
|---|---|---|
| Diameter | 8 mm | 11.5 mm |
| Length | 31 mm | 35.5 mm |
| Weight in Air | 2.7 g | 5.7 g |
| Weight in Water | 1.3 g | 2.25 g |
| Depths Sensors1 | 100, 200, 500, 1000, 2000 m | |
| Absolute Max Depth | 3000 m | |
| Operating Temperature | -2°C to 40°C | |
| Absolute Temp Range | -10°C to 70°C | |
| Maximum number of readings at 8 bit resolution | 1.036M / 2.031M | |
| Battery Life2 | 10 months | 24 months |
| Multiple 30 day memory fill | 3 | 10 |
| Rate of logging | Up to 1 hour at 1 second resolution Up to 18 hours at 1 minute resolution |
|
| Optional Dive Logging / Water Switch | 10 Hz; 5 Hz; 4 Hz; 2 Hz | |
|
||
| Specification | Cefas G5 Standard 1 MB / 2 MB |
Cefas G5 Long Life 1 MB / 2 MB |
| Physical Parameters | ||
| Casing | Acrylic / Urethane | |
| Real Time Clock | ||
| Temperature Compensated | Yes 2°C to 34°C, User settable | |
| Memory | ||
| Type Flash | 1MB / 2 MB | |
| Time series data points | ||
| at 8 bit resolution | 1.036 M / 2.031M | |
| at 10 bit resolution | 832 k / 1.625 M | |
| at 12 bit resolution | 693 k / 1.354 M | |
| Delayed start of logging | Yes | |
| Data retention | 10 years | |
| Summary Log | Daily record of max/min parameters | |
| Communications rate | 115.2k baud | |
| Other | ||
| Battery Chemistry | Silver | |
| Communication | Direct Contact | |
| Depth Sensing | ||
| Accuracy3 | ±1% Full Scale at 12 bit ADC | |
| Resolution | 100 m sensor Better than 4 cm 200 m sensor Better than 8 cm 500 m sensor Better than 15 cm 1000 m better than 30 cm 2000 m sensor Better than 60 cm |
|
| Temperature Compensated3 | Yes 2°C to 34°C | |
| Maximum depth before pressure sensor failure | 1.5 X Full Scale | |
| Temp Sensing | ||
| Accuracy | ±0.1°C at 12 bit ADC Range3 -2°C to 34°C | |
| Resolution | 0.03125°C | |
| Response Time 4 | 28 sec | |
| Required Peripherals | ||
| Reader | Connected via serial port or USB serial adaptor | |
| Data Output | CSV format (MS Excel etc.) | |
| Software | G5 Host – Windows OS | |
Notes
- Optional depth sensing ranges available
- Under normal operating conditions and a single 1 MB memory fill. Multiple deployments may significantly affect the tag life
- Accuracy degrades outside this range.
- Typical time to reach 66% of step from 5 to 30 degrees
Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied.