Gx Pipeline Survey Data-logger
- Integrated M. C. Miller voltmeter
- Integrated Sub-Meter GPS receiver (WAAS-enabled)
- Built-in 5MP digital camera with auto-focus and illumination
- Serial port available for an external GPS receiver connection, if required
- 320x240 pixel (3.5 inch) color LCD touch-screen (indoor/outdoor viewing)
- 55-key alphabetic-order keypad
- Windows CE 5.0 operating system
- Xscale processor (624MHz)
- 256MB SDRAM
- 2GB Flash memory (non-volatile memory for survey data storage)
- Serial (RS232) & USB outputs
- Bluetooth-enabled
- Two re-chargeable 2500mAh Li-Ion batteries (5000mAh total capacity) [40+ hours operation*] - both batteries are required for unit operation.
- IP67 rated (1 meter immersion)
- Satisfies MIL-STD-810F (wind-blown rain)
- Operating temp range:-4°F to 122 °F (-20°C to 50°C). Note: The -20°C lower operating temperature limit applies only if a protective screen cover is not used.
- Storage temp range (no battery): -4°F to 140°F (-20°C to 60°C)
- Dimensions: 12.5” x 5.31” x 2.31”
- Weight: 2.64 lbs
Voltmeter range, display resolution and accuracy specifications for the Gx Data-logger
| VDC: Range | Display Resolution | Accuracy(% reading value) |
| 40mVDC, 10MΩ, 80ms | 0.01mV | ±0.2% ±0.08mV |
| 400mVDC, 10MΩ, 80ms | 0.1mV | ±0.2% ±0.6mV |
| 5.7VDC, 400MΩ, 80ms | 0.001V | ±0.2% ±0.004V |
| 40VDC, 75MΩ, 80ms | 0.01V | ±0.2% ±0.04V |
| 57VDC, 75MΩ, 2ms | 0.01V | ±0.2% ±0.04V |
| 57VDC, 400MΩ, 50ms | 0.01V | ±0.2% ±0.04V |
| 400VDC, 75MΩ, 80ms | 0.1V | ±0.2% ±0.4V |
| 570VDC, 75MΩ, 2ms | 0.1V | ±0.2% ±0.4V |
| VAC: Range | Display Resolution | Accuracy(% reading value) |
| 40VAC, 75MΩ, 1.35s | 0.01V | ±1.0% ±0.06V |
| 400VAC, 75MΩ, 1.35s | 0.1V | ±1.0% ±0.6V |
| AC range specifications valid over 10-1000Hz frequency range and 5-100% of full scale range | ||
| Backlight Intensity Level | 5% | 50% | 100% |
| No Applications Running | 43.8 | 26.6 | 19.0 |
| MCM Survey Application Running (Voltmeter and GPS Receiver Active) | 23.0 | 16.7 | 13.3 |
By — Mai Tùng