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EL-WT2000A PH online analysis
A composite electrode composed of a noble metal indicator electrode and a reference electrode. The measurement of pH is based on the potential differe
Product details
A composite electrode composed of a noble metal indicator electrode and a reference electrode. The measurement of pH is based on the potential difference measured by a working battery composed of a measuring electrode and a reference electrode in a solution. The linear relationship between the pH value of the solution to be measured and the potential of the working battery is used to achieve online monitoring of pH.
All use imported chips and components, adopting the latest surface mount production technology to ensure stable and reliable instrument operation;● Simultaneous display of multiple parameters: It can simultaneously display pH value, temperature value, high point alarm setting value, low point alarm setting value, whether the instrument is in high or low alarm state, and the current time. All parameters are clear at a glance.
The unique 4-20 mA current output corresponds to a pH value that is reversible and can be set to any value, providing users with greater convenience.
Adopting a waterproof and airtight fully sealed flame-retardant shell with a protection level of IP65, it can be used in very harsh environmental conditions,
● Equipped with automatic cleaning function
RS485 communication;
Unique historical curve function, able to record the current 30 day historical data and have query function.
The unique design of the operation menu brings great convenience to users, and they can use it freely without reading the manual.
The backlight automatically turns off after three minutes without button operation, which not only saves energy but also extends its service life;
● It can also be waterproof and vapor proof
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measuring range (Customizable) |
pH：0-14pH； Temperature: 0-80 ℃ |
|
measurement accuracy (Customizable) |
pH：±0.01pH； Temperature: ± 0.5 ℃ |
| Pressure Range | ≤0.6Mpa |
| Zero potential pH value | 7±0.25pH（15mV） |
| Slope | ≥95% |
| Internal resistance | ≤250MΩ |
| Alkali error | 0.2pH(1mol/L Na+ pH14)（25℃） |
| response time | ≤ 10 seconds (reaching 95% of the endpoint value) (after stirring) |
| Main materials of sensors | Black polypropylene, Ag/Agcl reference gel |
| Power supply | AC power supply: 85-500VAC (50/60HZ) DC power supply: 9~36VDC |
| Output | 3-channel 4-20mA |
| relay | Three way relay, program set response parameters and response values |
| Communication protocol | MODBUS RS485 |
| medium temperature | 0 to 80 ℃ |
| Size | Sensor: Diameter 30mm * Length 195mm Transmitter: 145 * 125 * 162mm (length * width * height) |
| Weight | Sensor: 0.2KG; Transmitter: 1.35KG |
| protection grade | Sensor: IP68/NEMA6P； Transmitter: IP65/ NEMA4X |
| Cable Length | Standard cable length: 10 meters, extendable |
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