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The EasyFerm Plus family of pH sensors is designed to withstand demanding applications in the Pharmaceutical and Chemical industries. All family members have the same reference electrolyte Phermlyte, the same type of diaphragm HP Coatramic but different pH glasses. The standard EasyFerm Plus, with its PHI glass, is directed at the BioPharm and Pharmaceutical industries because the glass has an excellent chemical robustness and provides best results in applications where sterilization either in an autoclave or an SIP is performed frequently
ATEX Approval | No |
---|---|
Autoclavable | Yes, Maximum Temperature 130 °C |
CIP | Yes |
Diameter | 12 mm |
Diaphragm | HP-Coatramic |
Electrical Connector | VP8 |
Electrolyte | Pressurized Phermlyte |
IECEx Approval | No |
Liquid Earth | Yes |
Measurement Principle | Combination electrode; pH potential measured against reference |
Measuring Range | pH 0 to 14 |
Membrane Shape | Spherical |
Number of Diaphragms | 1 |
Operating Temperature Range | Analog interface: 0 to 110 °C; Digital interface: 0 to 140 °C |
Parameter | pH |
Pressure Range | 0 to 6 bar |
Process Connection | PG13,5 |
Recommended Storage | Hamilton Storage Solution or 3 M KCl |
Reference System | Hamilton Everef-F, Silver ion barrier included |
Sample min Conductivity | 100 µS/cm |
Sensitivity | 57 to 59 mV / pH at 25 °C |
Sensor Family | EasyFerm Plus |
Sensor Output | Arc: Modbus, 4 to 20 mA |
Serial Number | Yes |
Steam Sterilizable | Yes, Maximum Temperature 140 °C |
Temperature Sensor | NTC 22 kOhm |
Wetted Parts | Glass \nEPDM (Ethylene propylene elastomer) |
Zero Point | 0 ± 20 mV |
Length | 325 mm |
pH Glass | Hamilton Type PHI Glass |
pH Glass Resistance | Moderate |
Analog Interface 1 | 4 to 20 mA for pH, programmable |
Analog Interface 1 and 2 | Galvanically not isolated; pulse width modulation 3.5 kHz |
Analog Interface 2 | 4 to 20 mA for Temperature programmable |
Baud Rate | 4800, 9600, 19200, 38400, 57600,115200 Bd |
Configurable Values | pH: pH, mV; Temperature: °C, K, °F |
Operating Voltage | 7 to 30 VDC Maximum 150 mW |
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