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Product Description
£217.00 – £605.00
pH-one-bar measuring chain pH 1 to 12; 0 to 80°C for unpressurised operating.
Applications: Only for clear water, waste water, cooling water, chemically contaminated water.
Technical Specification
| pH range: | 1 to 12 |
| Operating range: | 0 to 80°C |
| Operating pressure: | unpressurised |
| Conductivity: | > 150 μS / cm |
| Diaphragm type: | ceramic |
| Reference (Electrolyt): | KCl solution, refillable |
| Installation length: | 120 ±3mm |
| Shaft diameter: | 12mm (material: glass) |
| Screw connection | thread PG13.5 |
| Electrode head: | plug head SN6 |
D7 Connection Specification
Technical Data and Functions
Digital connection cable.
The voltage of the probe is measured by an A/D converter integrated into the ALMEMO® D7 plug. Extension cables and the measuring device itself have no influence on the measurement accuracy.
Galvanic Isolation to the ALMEMO® V7 measuring device.
It is possible to operate several pH probes simultaneously in the same sample solution on one measuring device without influencing each other.
Compensation of the temperature dependence of the probe.
To compensate the temperature dependence of the probe, the temperature of the sample solution can be entered manually. The connection cable ZYD7 40-Akx additionally features a temperature sensor. As a result, the measured temperature value will be used for automatic compensation.
Comparison of the pH probe possible at three points.
The comparison will be saved at pH 7 as well as at one point in the acid range and at one point in the alkaline range. The values of the reference solutions can be specified as set points.
| ALMEMO® D7 plug | |
| Measuring ranges: pH value Redox potential Temperature NTC | 0.00 to 14.00 pH -1100.0 to +1100.0 mV -50.00 to +125.00 °C |
| A/D converter | Delta Sigma |
| Accuracy: pH/redox temperature NTC | ±0,02 % of measured value ±2 digits ±0,05 K at -50 to +100 °C |
| Nominal temperature: | 23 °C ±2 K |
| Temperature drift: | max. 0.004 %/K (40 ppm) |
| Operative range: | -10 to +60 °C / 10 to 90 % RH (non-condensing) |
| Refresh rate: | 0.8 s |
| Supply voltage: | from 6 V up, from the ALMEMO® measuring device |
| Current consumption: | approx. 8 mA |
| Temperature sensor NTC | |
| Design: | FN030L0250 with OPK03L0020 |
| Measuring tip: | stainless steel sheathed line, d = 3.0 mm, NL = 250 mm |
| Cable sleeve: | Brass, hexagonal, L= 65 mm, width across corners = 9 mm |
| Cable: | 2 m, FEP/FEP isolated, permanently mounted in the ALMEMO® D7 plug |
| Operating temperature: | -20 to 100 °C |
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