When non-toxicity is mandatory.
Whether a retrofit or a new installation, EasyFerm Bio HB pH sensors come with industry standard electrical connector options and temperature compensation. If connecting to a controller, a wide variety of adapter cables are available to mate with any device.
EasyFerm Bio HB pH sensors provide a reliable solution for installations into food processing, dairy, brewing, beverage, and other processes where biocompatibility and sanitary certification are required. The pre-pressurized reference design ensures accurate pH measurement while options such as the HB glass membrane provide minimal drift when frequent CIP cycles are encountered.
Traditional sensors offer a standard mV signal that works with existing bioreactors and transmitters. Arc sensors can be connected directly to the control system through 4-20mA or digital signals. Memosens sensors are fully compatible with all existing Memosens transmitters on the market.
|a-length||120mm, 225mm, 325mm, 425mm|
|Electrical Connector||S7/S8, K8, VP6, Arc, Memosens|
|Measurement Principle||Combination electrode; pH potential measured against reference|
|Measuring Range||pH 0 to 14|
|Sensitivity||57 to 59 mV / pH at 25 °C|
|Zero Point||0 ± 20 mV|
|pH Glass||Hamilton type HB glass|
|pH Glass Resistance||Moderate|
|Number of Diaphragms||1|
|Reference System||Hamilton Everef-F, Silver ion barrier included|
|Temperature Sensor||Arc - Yes, Memosens - Yes, VP6 - Pt100/Pt1000, K8 - No, S7/S8 - No|
VMQ (Silicone elastomer)
|O-ring Material||FDA 21 CFR 177.2600; EG 1935/2004; USP <87>; USP <88> Class VI (121 °C)|
|Recommended Storage||Hamilton Storage Solution or 3 M KCl|
|Certificate||Yes, with measured values in Buffer pH 4.01 and pH 7.00|
|Operating Temperature Range||0 to 140 °C|
|Sample min Conductivity||100 µS/cm|
|Pressure Range bar g||0 to 6 bar|
Specific Arc sensor specifications
|Analog Interface 1||4-20 mA for pH, programmable|
|Analog Interface 2||4-20 mA for Temp., programmable|
|Analog Interface 1 and 2||Galvanically not isolated; pulse width modulation 3.5 kHz|
|Digital Interface||RS485 Modbus (max. 31 addresses)|
|Configurable Values||pH: pH, mV; Temperature: °C, K, °F|
|Temperature Sensor||NTC22 kOhm|
|Baud Rate||4800, 9600, 19200, 38400, 57600,115200 bd|
|Operating Voltage||7 to 30 VDC max. 150 mW|
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