MANUFACTURER
– The HI7640-18 is a galvanic membrane dissolved oxygen probe designed for use with the HI510 and HI520 controllers.
– The probe is suitable for continuous measurement of dissolved oxygen in water.
– An integrated temperature sensor measures the water temperature and adjusts the probe signal within the specified temperature range
– Suitable for municipal and industrial wastewater control and treatment applications.
– The probe can be installed directly in the pipe, immersed in a tank, or in a measuring cup.
– Easy to replace HDPE membrane
– Durable, chemical resistant PVDF (Kynar®) body
– NPT 3/4 ” connection thread
– Maximum pressure 3 bar
– Built-in temperature sensor for DO measurement and compensation
– Digital probe stores model, firmware, serial number and calibration information
TECHNICAL SPECIFICATIONS OF HI7640 – 18ZZ ELECTRODE
|
1 |
Galvanic Sensor |
|
8 |
Smart probe, RS485 connection port |
|
ZZ |
00, 05, 10, 15, 25, 50: cable length (m) HI7640-1800: without cable |
|
The scale |
0.0 to 500.0 % saturated 0.00 to 50.00 mg/L (ppm) |
| Resolution |
0.01 mg/L (ppm) 0.1 % saturated |
|
Accuracy |
Measuring range 0.00 to 20.00 mg/L (ppm): ±2% of measurement result or ± 0.2 mg/L (ppm), whichever is greater Measuring range from 20.00 to 50.00 mg/L (ppm): ±6% measurement result Measuring range from 0.0 to 200.0% saturation: ±2% measured result or ± 2.0 %, whichever is greater Measuring range from 200.0 to 500.0% saturation: ±6% measurement result |
| Calibration | 1 or 2 points: at 100% and/or 0% or 8.26 mg/L and/or 0 mg/L in saturated air or zero oxygen solution User-defined point calibration: enter % saturation or mg/L value |
|
Temperature |
Scale: -5.0 to 50.0 oC 32.0 to 122.0 oF) |
| Temperature resolution | 0.1 oC; 0.1 oF |
|
Temperature accuracy |
±0.5 oC / 1.0 oF |
|
Heat compensation |
Automatic |
| Temperature calibration | 1 offset point |
| Heat source |
Automatic (from probe) By hand |
| Pressure compensation | Automatic 420 to 850 mm/Hg |
| Salinity compensation | Automatic 0 to 70 g/L (Manual setting) |
|
Body material |
PVDF |
|
Sensor |
Galvanic cells Cathode: Ag Anode: Zn Diameter: 17mm Length: 30mm |
|
Maximum pressure |
3 bar |
|
Threaded connection |
3/4″ NPT at 25 oC |
|
Material |
Sensor body: PVDF Membrane cap: PEI and PTFE O-ring: Nitrile Rubber (NPR) |
|
Protection index |
IP68 |
|
Cable length |
5m (16'5″) |
|
Supply includes |
– DO probe – Membrane filling solution – Membrane cover - Quality certification |
