NMD-99 intelligent acid alkali salt concentration analyzer is a new continuous online monitoring instrument designed according to the principle of electromagnetic induction method.
The sensor does not contact with the medium, so there is no polarization effect.
It has the incomparable advantages compared with the general sensor in the continuous online concentration and conductivity measurement of acid, alkali, salt, corrosive medium etc.
Key Features
-Measuring range: Conductivity: 0~1999mS/cm
-Temperature: -20~60 DegC (PT1000)
-Measuring Medium: Hcl, H2SO4, HNO3, NaOH, Nacl, H3PO4
-Electromagnetic detecting element doesn’t contact with the measured medium directly. There is no electrode polarization effect, nearly no need maintenance.
-MODBUS RS485 digital output, 4~20mA analog output.
-Power supply: AC85-265V, 50/60Hz, 10W.
【Sensor Specification】
NMD-M2 | NMD-M4 | NMD-M5 | |
Material of Contacted Medium | PP | PFA | CPVC |
Sample Temperature | 70 | 130 | 80 |
Sample Pressure | 0.6MPa | 1.6MPa | 0.6MPa |
Max Flow Velocity | 3m/s | 3m/s | 3m/s |
Measurement Range | 0 ~ 20 mS/cm 0 ~ 200 mS/cm 0 ~ 1000 mS/cm | 0 ~ 20 mS/cm 0 ~ 200 mS/cm 0 ~ 1000 mS/cm | 0 ~ 200 mS/cm |
【Transmitter Specification】
- Measurement range: Concentration (weight percent or as your need)
- Instrument built-in concentration measurement medium range:
Medium | Concentration (%) |
HCL | 0~10 |
H2SO4 | 0~20 |
HNO3 | 0~20 |
NaOH | 0~16 |
NaCl | 0~20 |
Technical Parameter | |
Conductivity | 0 ~ 20 mS/cm 0 ~ 200 mS/cm 0 ~ 1000 mS/cm |
Accuracy | 2%FS |
Repeatability | 0.5%FS |
Temperature | -5 ~ 100℃(PT1000) |
Analog output | 4~20mA |
Digital output | MODBUS/RS485 |
Output relay | Optional 2-way alarm relay (250VAC, 10A) |
Power supply | 220VAC,50 Hz; 24VDC±10% |
Protection | IP65 |
Installation | Wall-mounted |
Size | 234/185/118mm, L/W/H |
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