Hanna Instruments HI9147 Portable Galvanic Dissolved Oxygen Meter
Aquaculture applications call for the robust, water-resistant dissolved oxygen (DO) meter known as the HI9147. The meter and probe employ galvanic sensor technology, in which the reaction is powered by the potential difference between the electrodes and does not require an external voltage. The mechanism establishes a current proportional to the concentration of dissolved oxygen present as oxygen diffuses across the membrane. A galvanic, HDPE membrane caps, electrolyte fill solution, a shield, and a reliable carrying case are included with the HI9147.
- Easily Replaceable Membrane Caps
- Manual Calibration
- Galvanic Measuring System
- DIN Connector
| SKU | HI9147-web |
|---|---|
| Product Name | Portable Galvanic Dissolved Oxygen Meter – HI9147 |
| Quote Required | Yes |
| Dissolved Oxygen Range | 0.00 to 50.00 ppm (mg/L); 0.0 to 600.0% saturation |
| Dissolved Oxygen Resolution | 0.1 mg/L (ppm); 1% saturation |
| Dissolved Oxygen Accuracy | ±1% of reading |
| Dissolved Oxygen Calibration | manual, in saturated air |
| Dissolved Oxygen Temperature Compensation | automatic from 0 to 50°C (32 to 122°F) |
| Salinity Compensation | 0 to 51 g/L (ppt) (1 g/L resolution) |
| Altitude Compensation | 0 to 4000 m (resolution 100 m) |
| Temperature Range | 0.0 to 50.0°C / 32.0 to 122.0°F |
| Temperature Resolution | 0.1°C; 1°F |
| Temperature Accuracy | ±0.2°C; ±1°F (excluding probe error) |
| DO Probe | galvanic DO probe, internal temperature sensor, DIN connector |
| Battery Type/Life | 1.5V AAA (3) / approximately 1000 hours of continuous use without backlight |
| Environment | 0 to 50°C (32 to 122°F); RH max 95% non-condensing |
| Dimensions | 185 x 72 x 36 mm (7.3 x 2.8 x 1.4”) |
| Weight | 450 g (15.9 oz.) |
| Ordering Information | HI9147 is supplied complete with HI76409 probe, HI76409A/P pre-formed HDPE DO membranes (2), HI7042S electrolyte solution (30 mL), batteries, instructions and rugged carrying case |
Features
- Galvanic Measuring System, requiring no external voltage
- Silver cathode and zinc anode in an electrolyte solution with a polymer membrane
- Automatic calibration at one or two points to 100% and/or 0% saturation
- Automatic Temperature Compensation (ATC) using a high-accuracy, built-in, linearized, thermistor temperature sensor
- Altitude compensation up to 4000 meters with a 100-meter resolution
- Salinity compensation is adjustable from 0 to 51 g/L (ppt) with a 1 g/L resolution for the measurement of DO in brackish and sea water
- Auto end point mode freezes a reading on the display once a stable measurement is obtained
- Good Laboratory Practice allows users to recall calibration information
- Replaceable, pretensioned, polytetrafluoroethylene (PTFE) membranes with a screw cap design
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