#block-system-breadcrumb-block{display:none!important;} .back-to-top--wrapper{display:none!important;} .banner-background{min-height:400px!important;} .banner-background h4{ background-color: #3d3737; padding: 10px; text-align: center; opacity:0.8; } .floating-button{ position: fixed; width: 210px; height: 50px; bottom: 40px; right: 40px; background-color: #EE7F00; color: #FFF!important; border-radius: 10px; text-align: center; box-shadow: 2px 2px 3px #999; padding-top: 10px; z-index:999999; } .floating-button::hover{color:#FFF!important} .floating-button img { margin-right: 10px; vertical-align: middle; max-height:32px } .my-float{ margin-top:22px; } [![](/sites/default/files/img/contact-form.png)Get a quote](/en-US/contact) .paragraph.paragraph--type--ladingspage-paragraph>div:before {background:none!important;} .content-top{display:none!important;} # Class 320 Multifunction Transmitters ## Mastering Indoor Air Quality Monitoring @media only screen and (max-width: 600px) { .h1-mobile { font-size:30px!important; } .h1-gradient { font-size:30px!important; } .h2-mobile {font-size:22px;} img[src*="Si-20_Hand_1.png"]{max-width:400px!important;margin:0 auto!important;} color:#000!important; } .content-top{display:none!important} img[src*="Si-20_Hand_1.png"]{max-width:800px;margin:0 auto!important;} .h1-gradient{ background: -webkit-linear-gradient(left, #0086cb, #00a8e4); -webkit-background-clip: text; -webkit-text-fill-color: transparent; font-size: 50px; text-transform: uppercase; line-height: 1; } .h1-mobile{font-size:50px;} } ![Kimo Class 320](/sites/default/files/styles/max_1300x1300/public/entityone_paragraphs/images/LandingPage_Header_2024_5.jpg?itok=BUWsM_6x) **Unmatched Accuracy for Compliance** The new Class 320 transmitters are specifically designed for cleanrooms, regulated environments, and industrial HVAC installations that require precise regulation and monitoring of air parameters. Ensure reliable measurements and meet even the most stringent compliance standards. @media screen and (min-width:960px) { .narrow-div { text-align: center; max-width: 75%; margin: 0 auto; } } ![VHP Resistant](/sites/default/files/inline-images/Picto_VHP-Resistant_0.png)#### VHP Resistant ![RS485 interface with Modbus RTU protocol](/sites/default/files/inline-images/Picto_RS485-interface-with-Modbus-RTU-protocol.png)#### RS485 interface with Modbus RTU protocol ![touch screen display](/sites/default/files/inline-images/Picto_Touch-screen-display.png)#### Touch-screen display ## The Products .divider{margin-top:20px;} .divider{margin-top:20px;} .h2-blue{ font-family: "Roboto",Helvetica,Arial,sans-serif; font-weight: 300; font-size: 35px; line-height: 1.16em; margin-bottom: 3px; text-transform: uppercase; color: #0086cb; } ![C320](/sites/default/files/entityone_paragraphs/images/C320-FACE2_4.png) ### Si-C320 #### Industrial Applications and Laboratories The Sauermann Si-C320 builds on the legacy of the KIMO C310. - Supplied with an adjustment certificate - 2 inputs for probes - 1 input for internal differential pressure sensor Designed for cleanrooms, regulated environments, and industrial HVAC applications, the Si-C320 transmitters deliver precise and reliable measurements, ensuring compliance with the most stringent regulations. [Learn more](https://sauermanngroup.com/en-US/measuring-instruments/transmitters/multi-parameter-transmitters/si-c320) img[src*="Si-C320"]{max-width:80%;} .divider{margin-top:20px;} ![CPE320](/sites/default/files/entityone_paragraphs/images/IMA_Si-CPE320-FRONT_01_4.png) ### Si-CPE320 #### Designed for Cleanrooms The Sauermann Si-CPE320 builds on the legacy of the KIMO CPE310. - Supplied with an adjustment certificate - Auto-calibration solenoid valve - 1 input for external probes The Si-CPE320 transmitter is flush-mountable, ensuring it won’t disrupt the cleanroom environment. It features a high-grade, stainless-steel, waterproof front panel with an integrated touch screen. Built with the same advanced technology as the Si-C320, this panel-mounted version delivers exceptional reliability and precision. [Learn more](https://sauermanngroup.com/en-US/measuring-instruments/transmitters/multi-parameter-transmitters/si-cpe320)img[src*="Si-CPE320"]{max-width:50%;margin-left:80px;margin-top:-50px;margin-left:120px} ![ATE320](/sites/default/files/entityone_paragraphs/images/Si-ATE320-GAUCHE1.png) ### Si-ATE320 #### Multifunction Flush-Mounted Display - Displays 1 to 3 parameters - Graphic touchscreen display - Visual and audio alarms The Si-ATE320 flush-mounted display enables the visualization and relaying of measurements from up to three transmitters. It features a high-quality stainless-steel front panel and a color touchscreen, both designed to withstand cleaning with vaporized hydrogen peroxide (H₂O₂). Perfectly suited for aeraulic management systems, the Si-ATE320 integrates seamlessly into cleanroom environments without disrupting the occupants' workspace. [Learn more](https://sauermanngroup.com/en-INT/measuring-instruments/transmitters/multi-parameter-transmitters/si-ate320) img[src*="Si-C320"]{max-width:80%;} ## Applications ![](/sites/default/files/styles/webp/public/images/02-App_CPE-320_Bloc_2.jpg.webp?itok=ddaBxnkL) #### Ensure precise control of differential pressure, relative humidity, temperature, air velocity, and air change rate (ACR) in cleanrooms and operating rooms. ![](/sites/default/files/styles/webp/public/images/03-App_CPE-320_Industrie_2.jpg.webp?itok=aL3obj3C) #### Accurate monitoring of air parameters in glove boxes, fume hoods, isolation cabinets, and vial filling machines. ![](/sites/default/files/styles/webp/public/images/01-App_CPE-320_Industriepng_2.png.webp?itok=hp1pkv5c) #### Precise monitoring of drying processes in industrial manufacturing, including applications such as bricks, pasta, and more. ## Mobile app ![sauermann control app](/sites/default/files/entityone_paragraphs/images/Appli_configuration_2.png) ### ![Sauermann Control](/sites/default/files/inline-images/Picto_Appli_0.png)Sauermann Control **Your Dedicated Mobile App** - Fully compatible with Si-C320 and Si-CPE320 devices - Wireless connection for seamless operation - Complete device control at your fingertips - One-click firmware updates for hassle-free maintenance - Remote viewing of measurements in real time [Learn more](https://sauermanngroup.com/en-US/measuring-instruments/transmitters/software/sauermann-control-mobile-app) img[src*="Appli_configuration_2.png"]{max-width:70%;margin:0 auto;} ## Probes High accuracy, stable and reliable long-term measurements for a variety of applications. A total of 15 probes are available to order. Contact our Customer Service department to place an order or learn more. ### Si-PRO-U-I-100-H **Heated Stainless Steel Humidity and Temperature Probe** - High-performance heated sensor for precise measurements - Resistant to pollutants ![](/sites/default/files/styles/max_1300x1300/public/images/27986_Si-PRO-U-I-100-H_1.png?itok=u1Vj-BPc) ### Si-PRO-U-W **Flush-Mounted Humidity and Temperature Sensor** - Designed specifically for cleanroom environments - VHP-resistant stainless-steel body for durability and easy cleaning img[src*="Si-PRO-U-W"]{max-width:70%!important} ![](/sites/default/files/styles/max_1300x1300/public/images/27987_Si-PRO-U-W%20_%20FRONT_0.png?itok=TqwIC2r6) [See all probes](https://sauermanngroup.com/en-US/measuring-instruments/transmitters/probes) ## Accessories The Right Accessory for Every Need We offer over 50 kits and accessories on demand, including: junctions, AC and DC power supplies, cables and extensions, adapters, protective accessories, mounting solutions, etc. #### **External Protection** Provides protection against solar radiation and rainfall, ensuring reliable performance in outdoor environments. ![External protection against solar radiation and rain fall.](/sites/default/files/inline-images/Backup_Graphic_300x300px_4.png) #### **DEBIMO Measuring Blade** Measures velocity and flow rate with high accuracy for optimal performance in air and fluid systems. ![Debimo blade](/sites/default/files/inline-images/debimo_0.jpg) [See all accessories](https://sauermanngroup.com/en-US/measuring-instruments/transmitters/accessories) .services-banner{ position: relative; border-radius: 5px; box-shadow: 0 1px 4px 0 rgba(0,0,0,0.3); min-height: 129px; max-height:130px; display:flex; justify-content:space-between; align-items:center; padding: 0px 20px; } .services-title-banner{min-width:400px;} .services-button {margin-top:6.5%;} .services-image{margin-right:50px;} .services-image img{margin-top:-20px;max-width:300px} .services-background-line{height: 100%;-webkit-transform: skew(0deg,-1.5deg);transform: skew(0deg,-1.5deg);background-image: linear-gradient(to right,#0086C9,#4CC8EB);margin-top:100px} .faq-icon{display:inline-block!important;margin-bottom:10px!important;vertical-align:middle;margin-right:10px;max-width:65px!important;} .title-services-banner{display:inline-block;} .services-background-wrapper{ position: absolute; border-radius: 5px; left: 0; right: 0; top: 0; bottom: 0; z-index: -1; overflow: hidden; } @media screen and (max-width:960px) { .services-image{display:none;} .services-banner{flex-direction:column;max-height:none;} .services-title-banner{margin-top:20px;} } @media screen and (max-width:975px) { .services-image{display:none;} } @media screen and (min-width:960px)and (max-width:1080px) { .services-image img {max-width:200px;margin-bottom:-36px;} } ![](https://sauermanngroup.com/sites/default/files/services/FAQ-icon.png)# We're here to help ![](https://sauermanngroup.com/sites/default/files/services/FAQ.png) [Get in touch with our Sales Team](/en-US/contact)