JBL ProFlora pH-Czujnik+Cal
Elektroda PH z przyłączem BNC

  • Solidna elektroda wysokiej jakości do JBL pH-Control i innych urządzeń do pomiaru pH i regulacji z przyłączem BNC w zest. Płyn do kalibracji i przechowywania czujników pH
  • Proste podłączenie: Połączenie elektrody za pomocą przyłącza BNC z danym urządzeniem do pomiaru lub sterowania (nie ma w zestawie)
  • Duży kołpak ochronny z roztworem do przechowywania, trzonek z tworzywa sztucznego i wypełnienie żelem, pasuje do wielu systemów: Wtyczka BNC
  • Indywidualnie badane z indywidualnym raportem testowym, Okres użytkowania: Ok. 2 lata
  • W zestawie: Elektroda PH z przyłączem BNC, pH-Sensor+Cal, w zest. Roztwór do kalibracji
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Informacje o produktach

Zdrowe ryby dzięki optymalnej wartości pH
Kwasowość określa wartość pH wody. W celu zachowania zdrowia ryb i roślin, musi być ona zawsze kontrolowana i odpowiednio dostosowywana do warunków. Właściwa wartość pH zależy od obsady ryb w akwarium, zła wartość pH może powodować stres i choroby.

Proste podłączenie
Elektrodę pH za pomocą przyłącza BNC łączy się z danym urządzeniem pomiarowym lub sterującym.- BEZPIECZNIE-Elektrodę przebadano z indywidualnym raportem z testów i musi ona zostać wymieniona po ca. 2 latach. Posiada duży kołpak ochronny wypełniony roztworem do przechowywania.

Szczegóły

JBL ProFlora pH-Czujnik+Cal

Nr Art.:
6318800
Numer EAN:
4014162631886
Zawartość:
1 Zestaw
Pojemność Opakowanie:
3.570 l
Masa brutto:
574.000 g
Masa netto:
360 g
Przeliczenie wagi:
1000
Wymiary (dł/wys/sz):
100/210/170 mm

Dane techniczne

FAQ
What pH Control interface is suitable for the pH sensor?

A BNC connector is needed.

How does the JBL pH-Control recognise a “bad“ sensor?

The pH sensor transmits a voltage to the measuring device, which convert the voltage into the pH value.
This voltage does NOT remain constant throughout the service life of the sensor! It needs to be calibrated regularly. The device is thus informed about the age-related change in voltage and can display reliable values again.
The calibration takes place at pH 7 and pH 4.
At pH 7 a new sensor transmits a voltage of 0 mV (+/- a few mV) to the measuring device. The more the voltage at pH 7 deviates from 0, the older the sensor is. The deviation can occur at + or -. At a deviation of more than +40 or -40 mV the device rejects the sensor.
The error message OFFSET appears.
NOTE: The same error message appears if you accidentally begin to calibrate at 4!!
At pH 4 the sensor transmits a voltage of about +186 mV (when 7 is at 0 mV). This means that between the single steps (4-5; 5-6 and 6-7) there is in each case a difference of about 62 mV. The smaller this difference, the older the sensor. With differences below 30 mV the device rejects the sensor.
The error message DELTAV appears.
NOTE: The same error message also appears, when you accidentally calibrate twice at 7!!

IMPORTANT: Rejected sensors can often be brought “back into operation” if you soak them intensively in storage solutions (for several days)!

What deviations during the calibration are usual and how are they connected to the temperature?

It is difficult to give a precise answer without information about the sensor, particularly the age of the sensor. Good sensors have deviations in the range from 0.02 to 0.05 pH levels when calibrating.

The input voltage differs for each sensor, as each sensor has its own individual properties. For the majority of our sensors, it is between -30 and +30 mV at pH 7.

Both input voltages (pH 7 and pH 4) are important when assessing the quality of a sensor. The greater the difference between these two values, the better the sensor and the precision of the measurement and control. The differences should be over 140-150 mV.

The temperature sensor should always be used during calibration. The pH level varies according to temperature, so that it is always best to measure the pH level with temperature compensation. The deviation is between 20 and 30 °C, 0.17 pH levels, and the relationship is nonlinear.

Do you need to unscrew the screw connection of the temperature sensor, before you can use it?

No, the pH sensor is meant. It is located in a protective cap which is filled with a storage solution. Before the calibration the pH sensor needs to be taken out of this protective cap by loosening the screw connection and to be immersed, without the cap (and storage solution), into the aquarium water.

What does DELTAV mean in the display?

This message indicates that the potential difference per full pH unit is smaller than 30 mV. The pH sensor is either too old, defective or was accidentally calibrated twice with the same buffer solution.

Remedy: Repeat the calibration and take care to use the buffer solution correctly. If this does not work, connect a new sensor and calibrate again.

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