HD4-F DO Meter
GENERAL FEATURES
- High resolution LCD display, 5.7 inches.
- Multi-reading feature allows auto-read, timed-read and continuous-read.
- Automatic/Manual temperature compensation ensures accurate results.
- Auto-hold feature senses and locks the measurement endpoint.
- Data Storage 500 sets (GLP-compliant).
- Support for USB or RS-232 communication.
- Reset feature automatically resumes all settings back to factory default options.
- IP54 waterproof.
- Support for air-saturated water or zero oxygen calibration.
- Auto barometric pressure compensation
- Manual Salinity Factor Correction
Description
| Model | HD4-F | |
| Parameters | DO/Temp(DO Saturation). | |
|
Dissolved Oxygen Concentration |
Sensor Type | Polarographic |
| Range | 0.00 to 99.99 ppm | |
| Resolution | 0.01ppm | |
|
Accuracy |
±0.10ppm, 0.00~50.00ppm
±0.50ppm, 50.0~99.99ppm |
|
| Calibration Reminder | Yes | |
| Calibration Points | Air-saturated water or zero point | |
| Barometric Compensation | Yes | |
| Manual Salinity Factor Correction | Yes | |
|
DO Saturation |
Range | (0.0 to 600.0)% |
| Resolution | 0.10% | |
| Accuracy | ±2.0% | |
|
Temperature |
Range | -10 to 135 ºC, 14 to 275 ºF |
| Unit | ºC, ºF | |
| Resolution | 0.1 | |
| Relative Accuracy | ±0.1 | |
|
Measurement |
Reading Mode | Auto Read (Fast, Medium, Slow), Timed, Continuous |
| Reading Prompts | Reading, Stable, Locked | |
| Temp. Compensation | ATC, MTC | |
|
Data management |
Data Storage | 1000 Groups |
| GLP Features | Yes | |
| Inputs | DO with Temp. Probe | 4-pin aviation connector |
| Outputs | USB | USB 2.0 flash memory device, PC, scanner |
|
Display options |
Backlight | Yes |
| Auto Shutdown | 300, 600, 1200, 1800, 3600 sec., off | |
| IP Rating | IP65 | |
| Date and Time | Yes | |
|
General |
Power |
Rechargeable Lithium battery, AC Adapter, 100-240V AC input, DC5V
output |
| Dimensions | 90×255×40 mm | |
| Weight | 500g (1.1 lb) | |
