Pre-pressurized pH and ORP sensors are specifically targeted at the demanding needs of bioprocess industries such as upstream and downstream pharmaceutical, food, beverage, and brewing. The EasyFerm family has multiple glass pH membrane types to withstand autoclavation, SIP and CIP cleaning.
What makes pre-pressurized sensors different?
6 bar of internal pressure ensures that contaminants from the process liquid cannot easily enter the sensor.
Everef-F reference system
The Everef-F system uses a silver scavenger and a diffusion barrier to block Ag+ ions. This ensures stable measurement, less cleaning and longer sensor life in biopharma applications.
HP Coatramic Diaphragm
This specially designed porous diaphragm works in combination with the electrolyte to form a non-stick coated surface that greatly reduces clogging by external particulates.
EasyFerm Plus Sensors
- Best for biopharmaceutical processes that require SIP or autoclavation
- Extremely low drift after repeated sterilization cycles
- Everef-F reference design prevents clogging in high protein environments
- PHI glass membrane recommended
EasyFerm Bio Sensors
- Best for food, beverage, and biopharmaceutical applications with CIP cleaning
- Biocompatible Foodlyte electrolyte
- EHEDG sanitary certification
- HB glass membrane recommended for fast response after CIP
|EasyFerm Plus||EasyFerm Bio||EasyFerm Plus ORP|
|Measuring Range||0 - 14 pH||0 - 14 pH||± 2000 mV (Arc: ± 1500 mV)|
|Process temperature||0 – 140 °C (Arc: analog 0 – 110 °C, digital 0 – 140 °C)||0 – 140 °C (Arc: analog 0 – 110 °C, digital 0 – 140 °C)||0 – 140 °C (Arc: analog 0 – 110 °C, digital 0 – 140 °C)|
|Pressure range||0 – 6 bar||0 – 6 bar||0 – 6 bar|
|Hygienic aspects||Autoclavable, CIP, SIP||Autoclavable, CIP, SIP||Autoclavable, CIP, SIP|
|Sensing element||PHI Glass (preferred)||HB Glass (preferred)||Pt ring|
|Diaphragm||HP Coatramic||HP Coatramic||HP Coatramic|
Catalog - Process Analytics
What is a pre-pressurized sensor and why would I choose it?The electrolyte within the sensor is pressurized at the factory. This feature helps prevent against clogging and poisoning of the sensor due to the process liquid. The design is hygienic and well suited for fermentation applications found in biopharma, food, and beverage markets.
Choosing between EasyFerm Plus and EasyFerm Bio products?EasyFerm Plus sensors are designed to withstand repeated SIP and autoclavation sterilization cycles found in the biopharmaceutical industry. EasyFerm Bio sensors have a unique biocompatible electrolyte for applications in the food and beverage industry where CIP cleaning is commonplace.
What is the difference between ORP and Redox?They are the same. Redox is a shortened word for “Reduction Potential”. ORP is shortened for “Oxidation Reduction Potential”. The sensor and measurement is the same.
How to Measure Sensor A-lengthSensor A-length determines the insertion depth of the sensor. This article shows how this measurement is made for various styles of sensors.
pH and ORP Sensor Installation TipsThis brief article describes some common considerations with sensor installation and removal, as well as best practices for mounting.
pH and ORP Sensor CleaningAnswers to common questions on how to clean off build-up and coating on pH and ORP sensors.
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