RTD Sensors and Accessories for Clean-In-Place Applications

Pyromation CIP RTD

This one page publication features our CIP RTD Sensors and Accessories. Included are General Purpose CIP Sensors, Tank Sensors, Thermowells, and Transmitters.

Clean-In-Place units are provided with a Number 7 polished finish which exceeds 20 uin Ra. They meet or exceed finish requirements set forth by the 3A Sanitary Council Standard.

Download a PDF version of Clean-In-Place RTDS here, or read the embedded document below.

https://powerspecialties.com
(816) 353-6550

RTD Sensors and Accessories for Clean-In-Place Applications from Power Specialties, Inc.

Data Acquisition for Milk and Dairy Pasteurization

Yokogawa Touch Screen GX10/GX20

Reprinted with permission from Yokogawa.

Introduction
Pasteurization is a process that aims to reduce and destroy the number of viable pathogens/bacteria in the product so that the unwanted pathogen/bacteria does not cause harm to human health. Pasteurization is a critical process in a wide range of products such as: milk, cheese, juice and alcohol. Food and beverage manufacturers must demonstrate and ensure that products undergoing pasteurization meet the strict requirements of international standards so that the product is deemed safe for human consumption. Significant fines and penalties may be imposed if the pasteurization process is not followed.

Depending on the product, there are specific requirements on the temperature and amount of hold time required to ensure the product is safe. There are two main types of the pasteurization process:

1. High Temperature Short Time (HTST): Product is forced between metal plates or pipes heated on the outside by hot water and product is heated to 72 °C (161 °F) for 15 seconds 
2. Ultra Heat Treating (UHT): Product is forced between metal plates or pipes heated on the outside by hot water and product is heated to 140 °C (284 °F) for 4 seconds 

In the United States, Pasteurized Milk Ordinance (PMO) outlines the relevant standards and regulation for the pasteurization process and is administered by the Food and Drug Administration in conjunction with U.S. Department of Health and Human Services.

Application

Pasteurization can be conducted as a batch or a continuous process. The most common process used for fluid milk is the continuous process. The milk is pumped from the raw milk silo to a holding tank that feeds into the continuous pasteurization system. The milk continuously flows from the tank through a series of thin plates that heat up the milk to the appropriate temperature. Once the milk is heated, it is sent into a “holding tube” that is set up to make sure the milk stays at the pasteurization temperature for the appropriate time before it flows through the cooling area of the pasteurizer. The cooled milk then flows to the rest of the processing line for packaging and bottling.

If the appropriate pasteurization temperature was not maintained at the outlet of the holding tube, then a divert valve opens to pass the milk back for reprocessing.

Typically, a paperless recorder is deployed to measure the temperature of the product (hot and cold) as well as the divert valve position. The operation of the divert valve is often triggered from the paperless recorder. It is imperative to record these variables to ensure the product is processed correctly through pasteurization. Additionally, the recorded data is often used for audit and traceability requirements.

Solution

Yokogawa’s best-in-class panel mount paperless recorders are fully integrated data acquisition and display stations with secure, built-in data storage and network connectivity. Panel-mount solutions are NEMA compliant and integrate the data acquisition equipment into a control panel. Yokogawa’s paperless recorder lineup meets the rigorous industry standards such as PMO, HTST and FDA 21CFRPart11.

Download the entire Yokogawa Application Note from here.

For more information about Yokogawa products, contact:

Power Specialties, Inc.

Raytown, MO 64133

Toll Free: (800) 432-6550

Phone: (816) 353-6550

Fax: (816) 353-1740

www.powerspecialties.com

Super-fast Changeout of Sanitary Temperature Sensor

Diagram 1

Many BioTech & Pharmaceutical companies test their temperature sensors with in-house calibration baths in order to ensure sensor accuracy. Accurate temperatures are so critical to ensuring a consistent product, that calibration checks are required before each batch is started.

Most existing temperature sensors have a threaded connection which would twist and tangle the extension wires when unthreaded for calibration. The only alternative to unthreading the connection is to disconnect the wires from the terminal. This wastes time and complicates the calibration process.

Manufacturer REOTEMP engineered a great solution. A product named "ReoClick" makes disconnecting and re-connecting the sensor from the process easy. With the click of a button, the temperature sensor is released from the the process, leaving the female adapter in place (see diagram 1). The sensor is then placed into a temperature bath for a quick calibration check and snapped back into service in a matter of seconds.

To make the design even better, REOTEMP incorporated a replaceable temperature element. The element can be easily removed when sensor replacement is eventually needed. This allows the customer to reuse their existing leadwire assembly, male insert, and female adapter (see diagram 2).

Diagram 2

Along with those cost savings, the customer has avoided the usual headache associated with replacing a competitor’s elements: disconnecting wires, terminal blocks, reconnecting components, etc..

For more information about the ReoClick sanitary sensor, contact Power Specialties by visiting http://www.powerspecialties.com/article_54_REOTEMP.cfm or calling (816) 353-6550.