PH Sensor Kit
- Product Code: 877
- Availability: Out Of Stock
Price :Rs.3,422.00 (inc GST)
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PH Sensor Module
This PH sensor Module consists of PH sensor also called as PH probe and a Signal Conditioning Board which gives output which is proportional to the PH Value and can be interfaced directly to any Micro-controller.
The pH sensor components are usually combined into one device called a combination pH electrode. The measuring electrode is usually glass and quite fragile. Recent developments have replaced the glass with more durable solid-state sensors. The preamplifier is a signal-conditioning device. It takes the high-impedance pH electrode signal and changes it into alow impedance signal which the analyser or transmitter can accept. The preamplifier also strengthens and stabilizes the signal, making it less susceptible to electrical noise.
pH and ORP probes are both used for measuring the acidic intensity of liquid solutions. A pH probe measures acidity on a scale from 0 to 14, with 0 being the most acidic and 14 being the most basic. Similarly, an Oxidation-Reduction Potential (ORP) probe returns a voltage proportional to the tendency of the solution to gain or lose electrons from other substances (which is linked directly to the pH a substance).
Pins of PH sensor Module
To: The output of the temperature sensor for temperature compensation. At a temperature of 25°C is the voltage of about 3.6 V with increasing temperature the voltage decreases (with a delay). At 100°C is the voltage of about 0.85 In.
Do: digital output (5V / 0V) responsive to the set threshold value ph. The threshold is set by the potentiometer closer to the output pins.
Po: the output of the ph sensor (-0.4 V to 0.4 V) amplified 2x. The mean value of the voltage of the ph sensor 0V (PH7) is shifted in the range of about 1V to 2.5 V using the potentiometer closer to the connector for the ph probe.
G: GND (ground)
G: GND (ground)
Features of PH Sensor
Heating voltage: 5±0.2V (AC -• DC)
Working current: 5-10mA
The detection concentration range: PH0-14
The detection range of temperature: 0-80 centigrade
The response time: ≤ 5S
Stability time: ≤ 60S
Power consumption: ≤ 0.5W
The working temperature: -10~50 centigrade (the nominal temperature 20 centigrade)
Working humidity: 95%RH (nominal humidity 65%RH)
Service life: 3 years
Size: 42mm x 32mm x 20mm
The output: analog voltage signal output