![The RKI Instruments RKI Air Alert Transmitter VOC, featuring a 10.6 eV PID sensor, boasts a red and gray casing with "Air Alert" displayed alongside a zero PPM reading. This device not only functions as a VOC gas detector but also includes easy-to-use "ADD" and "SUB" buttons for adjustments, a menu indicator, and RS-485 Modbus connectivity. It comes equipped with an AC power supply and two relays for additional versatility.]()
![A gray rectangular RKI Instruments Air Alert Transmitter VOC (10.6 eV PID) features a red front panel and a digital display reading "0 PPM." It is equipped with menu and adjustment buttons, serving as a VOC gas detector.]()
![The RKI Instruments Air Alert Transmitter VOC (10.6 eV PID) with AC and 2 Relays is a gray and red device that functions as a VOC gas detector. It features a digital display showing "0 PPM" and includes a handle on the right side for wall mounting. Equipped with RS-485 Modbus, it ensures accurate real-time air quality monitoring.]()
![A close-up of the RKI Instruments Air Alert Transmitter VOC (10.6 eV PID) with AC and 2 Relays highlights its precision engineering. This advanced device, equipped with Modbus outputs, ensures seamless integration with automated systems.]()
![The RKI Instruments Air Alert Transmitter VOC (10.6 eV PID) features a rectangular design with a red front panel displaying "Air Alert" and a digital screen reading "0 PPM." It includes a black handle on the right side, is enclosed in a gray protective cover, and supports RS-485 Modbus for seamless integration.]()
![A close-up of the RKI Air Alert Transmitter VOC (10.6 eV PID) by RKI Instruments reveals a gray and red device with a digital display showing "0 PPM." This device includes buttons marked "ADD" and "SUB," is protected by a clear cover, and smoothly integrates RS-485 Modbus for efficient communication.]()
![The device in question is a gray and red VOC gas detector known as the RKI Air Alert Transmitter VOC (10.6 eV PID) with AC and 2 relays, produced by RKI Instruments. It features a digital display reading "0 PPM," a small screen located at the top, and buttons labeled "ADD" and "SUB," all encased within a transparent cover.]()
![The RKI Instruments' Air Alert Transmitter VOC (10.6 eV PID) w/AC & 2 Relays is an electronic air quality monitor featuring a red front panel and a digital screen displaying "0 PPM." It comes with RS-485 Modbus for seamless connectivity, has "Air Alert" inscribed on it, and includes menu and adjustment buttons.]()
1 Year WarrantyRKI Instruments
RKI Air Alert Transmitter VOC (10.6 eV PID) w/AC & 2 Relays
From $2,535.00Unit price /Unavailable-
![A red and gray RKI Air Alert Transmitter (HCl) with AC and 2 Relays, featuring RS-485 Modbus, is mounted on a wall. It includes a digital screen that displays "0 PPM" alongside buttons labeled "ADD" and "SUB." Designed with an electrochemical approach by RKI Instruments, the device is encased in a transparent protective cover.]()
![The RKI Instruments RKI Air Alert Transmitter for hydrogen chloride gas detection features a red front panel displaying "Air Alert" and includes an electrochemical sensor. The display shows "0 PPM," and the device is equipped with buttons labeled "ADD" and "SUB." It also has protective casing, a visible cable connection at the bottom, AC power, and two relays.]()
![The image showcases the RKI Air Alert Transmitter (HCl) by RKI Instruments, a square air quality monitor designed as a Hydrogen Chloride Gas Detector. It features a vibrant red front panel and an electrochemical sensor, along with a digital display reading "0 PPM." The device includes buttons labeled "MENU" and "ADD," and offers RS-485 Modbus connectivity.]()
1 Year WarrantyRKI Instruments
RKI Air Alert Transmitter (HCl) w/AC & 2 Relays
Price $2,145.00Unit price /Unavailable -
![The RKI Air Alert Transmitter (H2S) with AC & 2 Relays by RKI Instruments features a red faceplate displaying "Air Alert" and a digital screen showing "0 PPM," functioning as a Hydrogen Sulfide Detector. It includes a clear plastic cover, and its non-intrusive calibration knob is situated on the right side. The device is branded with "RKI Instruments" at the bottom.]()
![The RKI Instruments Air Alert Transmitter (H2S) features a striking red front panel and a clear display reading "0 PPM." Designed for ease of use, it includes buttons labeled "ADD" and "SUB" for seamless calibration. The brand name is elegantly displayed at the bottom.]()
![A gray and red electronic Hydrogen Sulfide Detector, branded "RKI Instruments," features a digital screen that displays "0 PPM." It includes buttons labeled "ADD" and "SUB," marked with the product name, "RKI Air Alert Transmitter (H2S) w/AC & 2 Relays," offering an easy non-intrusive calibration for user convenience.]()
![The RKI Instruments RKI Air Alert Transmitter (H2S) features hydrogen sulfide detection and boasts a distinctive red front panel with a transparent protective cover. Its display reads "0 PPM," and it supports RS-485 Modbus for seamless connectivity. Below the "MENU" screen are buttons labeled "ADD" and "SUB.]()
![The RKI Instruments RKI Air Alert Transmitter (H2S) features a rectangular design with a striking red front panel, showcasing "Air Alert" and "0 PPM" on its digital screen. It includes non-intrusive calibration, a protective clear lid, and a side control knob for easy operation.]()
![The RKI Air Alert Transmitter for hydrogen sulfide detection, offered by RKI Instruments, is a red and gray air quality monitor featuring a digital display showing "0 PPM." It includes RS-485 Modbus connectivity and buttons labeled "ADD" and "SUB," along with the "Air Alert" feature and the company logo on its front panel.]()
1 Year WarrantyRKI Instruments
RKI Air Alert Transmitter (H2S) w/AC & 2 Relays
From $1,480.00Unit price /Unavailable -
![The RKI Air Alert Transmitter (O3) by RKI Instruments, featuring a red and gray casing and a digital screen showing "0 PPM," is equipped with buttons labeled "ADD" and "SUB" for precise air quality monitoring using an Electrochemical Sensor.]()
![A red and gray RKI Instruments Air Alert Transmitter (O3) w/AC & 2 Relays features a digital screen showing "0 PPM" and buttons labeled "ADD" and "SUB." This device includes an electrochemical sensor, a protective cover, and a connector at the bottom for RS-485 Modbus communication.]()
1 Year WarrantyRKI Instruments
RKI Air Alert Transmitter (O3) w/AC & 2 Relays
Price $2,145.00Unit price /Unavailable -
![The RKI Instruments Air Alert Transmitter VOC (10.0 eV PID) features a rectangular design with a red front panel and a digital display reading "0 PPM." It displays the "Air Alert" and "RKI Instruments" logos. The device is housed in protective gray casing and offers RS-485 Modbus connectivity with a conduit entry at the bottom.]()
![The RKI Instruments RKI Air Alert Transmitter VOC (10.0 eV PID) with AC and 2 Relays is a wall-mounted digital air quality monitor featuring a red faceplate that displays "Air Alert" and "0 PPM." It includes buttons labeled "ADD" and "SUB," utilizes a PID transmitter for precise VOC gas detection, and supports RS-485 Modbus connectivity, all protected by a clear cover.]()
![The RKI Instruments RKI Air Alert Transmitter VOC (10.0 eV PID) wall-mounted gas detector features a red digital screen displaying "Air Alert" and "PPM 0." It comes in a gray case with a clear cover and has controls labeled "ADD" and "SUB." The device includes a precise PID transmitter and supports RS-485 Modbus connectivity via cable entry, complete with AC power and two relays.]()
![The RKI Instruments product, "RKI Air Alert Transmitter VOC (10.0 eV PID) w/AC & 2 Relays," is a red and gray electronic air quality monitor with a display reading "0 PPM." It features VOC Gas Detector capabilities and RS-485 Modbus connectivity, along with buttons labeled "ADD" and "SUB" and includes a protective cover.]()
1 Year WarrantyRKI Instruments
RKI Air Alert Transmitter VOC (10.0 eV PID) w/AC & 2 Relays
Price $2,725.00Unit price /Unavailable -
![The RKI Instruments "RKI Air Alert Transmitter (O3) w/AC" is a red and black ozone gas detector, featuring a digital display showing "0 PPM" and multiple LED indicators on the left side. It is equipped with RS-485 Modbus connectivity and includes buttons for menu navigation and selection.]()
![The RKI Instruments Air Alert Transmitter (O3) w/AC showcases a vibrant red front panel with a digital screen indicating "0 PPM." It features green indicator lights on the side and is equipped with RS-485 Modbus capabilities for efficient communication as an Ozone Gas Detector, complete with 3-color LEDs and a buzzer.]()
1 Year WarrantyRKI Instruments
RKI Air Alert Transmitter (O3) w/AC, 3-color LED’s & buzzer
Price $2,530.00Unit price /Unavailable -
![The RKI Instruments' RKI Air Alert Transmitter (CO2) w/AC features a red front panel labeled "Air Alert" with a digital display indicating "0 PPM." It includes buttons marked "ADD" and "SUB," green LED lights on the left side, and is equipped with RS-485 Modbus outputs and 4-20 mA analog outputs.]()
![The RKI Air Alert Transmitter (CO2) with AC features a digital display showing "0 PPM." This device, branded by RKI Instruments, has a red front panel and side LED indicators and supports RS-485 Modbus outputs. It is encased in a greenish protective cover to ensure precise monitoring.]()
1 Year WarrantyRKI Instruments
RKI Air Alert Transmitter (CO2) w/AC, 3-colorLED’s & buzzer
Price $2,530.00Unit price /Unavailable -
![The "RKI Air Alert Transmitter (ClO2)" from RKI Instruments, in red and black, is an air quality monitor featuring RS-485 Modbus outputs. It displays "0 PPM" with green indicator lights and includes a convenient menu button on top, making it efficient for detecting gas levels.]()
![The RKI Air Alert Transmitter (ClO2) by RKI Instruments showcases a red front panel and displays "0 PPM" on its digital screen, accompanied by several side LEDs. It includes a ClO2 transmitter for detecting chlorine dioxide gas and supports RS-485 Modbus outputs for connectivity.]()
1 Year WarrantyRKI Instruments
RKI Air Alert Transmitter (ClO2) w/AC, 3-color LED’s & buzzer
Price $2,040.00Unit price /Unavailable -
![An RKI Instruments RKI Air Alert Transmitter (H2S) features a red front panel labeled "Air Alert," displaying "0 PPM" on its screen. It is adorned with three-color LED indicator lights on the left side. Housed in a transparent casing with black connectors at the bottom, this device operates on electrochemical 115-240 VAC power.]()
![The RKI Instruments product, named the RKI Air Alert Transmitter (H2S) w/AC, includes a red front panel displaying "0 PPM." This device is a Hydrogen Sulfide Gas Detector that has a rectangular design with a green outline and features series of three-color LED indicator lights on the left side. It is powered by Electrochemical 115-240 VAC technology.]()
![The image features a close-up of the RKI Instruments Air Alert Transmitter (H2S) with "0 PPM" displayed on its screen. This device, which comes with a red front panel, includes multiple green indicator lights on the left and black connectors at the bottom for Electrochemical 115-240 VAC power.]()
![The RKI Instruments Air Alert Transmitter for hydrogen sulfide detection features a red front panel with the "Air Alert" label, an electrochemical H2S transmitter, and displays a reading of "0 PPM." It is equipped with green indicator lights on the side, a black handle, and 3-color LEDs along with a buzzer.]()
![The RKI Instruments RKI Air Alert Transmitter for H2S features a red front panel labeled "Air Alert" and is equipped with green indicator lights on the side. This device, designed for hydrogen sulfide gas detection, includes a digital display reading "0 PPM" and comes with a transparent protective cover. Additionally, it has 3-color LEDs and an integrated buzzer for enhanced monitoring capabilities in environments requiring H2S detection.]()
![A rectangular RKI Air Alert Transmitter (H2S) by RKI Instruments features a bold red front and displays "Air Alert" with a reading of "0 PPM" on its screen. It has green indicator lights on the side, accompanied by buttons labeled "ADD" and "SUB" beneath the display.]()
1 Year WarrantyRKI Instruments
RKI Air Alert Transmitter (H2S) w/AC, 3-color LED’s & buzzer
From $1,870.00Unit price /Unavailable -
![The RKI Instruments RKI Air Alert Transmitter (NH3) w/AC features a digital screen displaying "0 PPM" for precise gas monitoring. It has a red front panel labeled "Air Alert" and includes three-color LED indicators for enhanced visibility, alongside buttons for easy navigation. The transmitter supports Modbus outputs to ensure reliable communication.]()
![The RKI Instruments "RKI Air Alert Transmitter (NH3) w/AC" device, designed for ammonia gas detection, comes in red and black with a transparent outer casing. It features a digital display that shows "0 PPM" and includes 3-color LED indicators on the left side for easy monitoring. Additionally, it supports Modbus outputs for seamless integration.]()
![An RKI Instruments Air Alert Transmitter, designed as an ammonia gas detector, shows "0 PPM" on its screen. It includes a red front panel with buttons labeled "ADD" and "SUB," and green indicator lights on the side.]()
![The RKI Instruments RKI Air Alert Transmitter (NH3) features a red panel displaying "Air Alert" and "0 PPM." Equipped with an NH3 transmitter, digital screen, and multiple green indicator lights on the side panel, it ensures precise detection. Additionally, this device includes Modbus outputs and is ideal for monitoring ammonia gas levels.]()
![Close-up of an RKI Instruments RKI Air Alert Transmitter (NH3) w/AC. The screen displays "0 PPM," indicating no ammonia presence. It features a black handle and three-color LED lights on the side within a transparent casing, compatible with Modbus outputs for streamlined communication, and includes a buzzer.]()
1 Year WarrantyRKI Instruments
RKI Air Alert Transmitter (NH3) w/AC, 3-color LED’s & buzzer
Price $2,040.00Unit price /Unavailable -
![The RKI Instruments Air Alert Transmitter (HCl) features a bright red faceplate displaying "Air Alert" and "0 PPM." Equipped with RS-485 Modbus outputs, the device includes a small screen and control buttons labeled "Menu," "Add," and "Sub." Additionally, it has green indicator lights on the side for easy monitoring. The product supports non-intrusive calibration for effortless maintenance.]()
![Shown is an RKI Instruments Air Alert Transmitter (HCl) with a red front panel. This device includes non-intrusive calibration, a display reading "0 PPM," RS-485 Modbus outputs, and green LED indicators on the side, along with a 3-color LED system and buzzer.]()
![A close-up of the RKI Air Alert Transmitter (HCl) by RKI Instruments, showing a digital display reading "0 PPM." It is equipped with RS-485 Modbus outputs, three-color LED indicators, and a buzzer, all encased in a transparent cover for easy non-intrusive calibration.]()
1 Year WarrantyRKI Instruments
RKI Air Alert Transmitter (HCl) w/AC, 3-color LED’s & buzzer
From $2,520.00Unit price /Unavailable 
![The RKI VOC Pro (10.6 eV PID) Low Range Sensor/Transmitter by RKI Instruments is an explosion-proof gas detection device featuring a digital display with the text "0 VOC PPM." It has a black body, a red circular panel, and incorporates a PID sensor beneath the display, which is bordered by a blue section.]()
![The RKI VOC Pro (10.6 eV PID) Low Range Sensor/Transmitter from RKI Instruments is equipped with a circular display screen that reads "0 VDC PPM" and is installed on a cylindrical base. It includes a red control panel labeled "VOC Pro" and "RKI Instruments," featuring a PID sensor for accurate monitoring, providing reliability in hazardous environments.]()
![The RKI VOC Pro (10.6 eV PID) Low Range Sensor/Transmitter from RKI Instruments is a sleek VOC gas detector with a round display screen indicating "0." Its black and red design is complemented by a robust PID sensor, and it includes a metallic sensor attachment below to ensure precision and accurate readings.]()
1 Year WarrantyRKI Instruments
RKI VOC Pro (10.6 eV PID) Low Range Sensor/Transmitter
Price $2,900.00Unit price /Unavailable-
![An RKI Instruments product, the RKI VOC Pro (10.0 eV PID) Sensor/Transmitter, featuring a red faceplate and an accurate PID sensor, shows "0" on its screen. It is installed on a cylindrical base and boasts an explosion-proof design with sturdy industrial aesthetics.]()
![The RKI VOC Pro (10.0 eV PID) Sensor/Transmitter from RKI Instruments is a digital VOC gas detector with a circular design and a red and blue display for readings. It features a robust PID sensor encased in a durable, sturdy black casing that prominently displays the brand label. For added safety, the unit is also explosion-proof.]()
![The RKI Instruments VOC Pro, equipped with a 10.0 eV PID sensor and transmitter, is a digital gas detector designed to safely measure volatile organic compounds. It features a red and black circular display labeled "VOC Pro," displaying "0 VDC PPM." This device includes buttons and has a cylindrical sensor positioned below the screen.]()
![The RKI VOC Pro (10.0 eV PID) Sensor/Transmitter from RKI Instruments features a red and black faceplate with branding. It includes a PID sensor and a display showing a zero reading, all securely mounted on an explosion-proof metal and plastic base.]()
1 Year WarrantyRKI Instruments
RKI VOC Pro (10.0 eV PID) Sensor/Transmitter
Price $2,900.00Unit price /Unavailable -
![Image of an RKI VOC Pro (10.6 eV PID) High Range Sensor/Transmitter, featuring an advanced PID sensor and explosion-proof design. The device has a circular display with a red and black casing, showing a "0" reading in blue. A metal cylinder is positioned below the display, and it carries the label "RKI Instruments.]()
![Image of an RKI VOC Pro (10.6 eV PID) High Range Sensor/Transmitter from RKI Instruments, featuring a digital display indicating "0 VOC PPM." The device, equipped with a 10.6 eV PID sensor, boasts a red front panel with a black casing and metallic components, meticulously designed for the safe monitoring of volatile organic compounds.]()
![The RKI Instruments RKI VOC Pro (10.6 eV PID) High Range Sensor/Transmitter features a circular screen with a red and black face prominently displaying "VOC PPM" and the number zero. It is equipped with a PID sensor, an explosion-proof cylindrical sensor beneath it, and various buttons for operation.]()
1 Year WarrantyRKI Instruments
RKI VOC Pro (10.6 eV PID) High Range Sensor/Transmitter
Price $2,700.00Unit price /Unavailable -
![The RKI T3A sensor/transmitter for H2S by RKI Instruments features a circular design with a central red digital display, labeled "T3A" and "RKI Instruments," and includes sensor components below. It expertly monitors hydrogen sulfide levels and offers non-intrusive calibration for user convenience.]()
![The image showcases an RKI Instruments RKI T3A sensor/transmitter (H2S) with a circular red and black body, digital display, and sensor assembly. The top features a small screen and control buttons labeled "T3A" alongside the RKI logo, engineered for accurate hydrogen sulfide monitoring with non-intrusive calibration capabilities.]()
![Introducing the RKI T3A sensor/transmitter (H2S) by RKI Instruments, this gas detector is engineered for non-intrusive calibration and features a digital display for accurate monitoring of H2S levels. It boasts a red circular face, a blue attachment at the back, and a black bottom component, complemented by a rectangular screen to ensure precise readings.]()
![The RKI T3A sensor/transmitter (H2S) from RKI Instruments is a digital hydrogen sulfide monitor featuring a red and black circular display. It allows for convenient non-intrusive calibration using the screen and buttons. The device is mounted on a metallic base with a cylindrical black sensor positioned below.]()
![The image showcases an RKI Instruments hydrogen sulfide monitor, featuring the RKI T3A Sensor/Transmitter with J-Box (Product Code: 66-6303). It has a circular black and red display labeled "RKI Instruments" and "T3A," along with a digital screen, multiple buttons, and is mounted on a metallic base unit.]()
![The RKI T3A sensor/transmitter (H2S) from RKI Instruments is an industrial H2S gas detector with a round black casing featuring a digital display. It includes a red and white label marked "T3A" and "RKI Instruments," mounted on a metallic base to ensure reliable Hydrogen Sulfide monitoring.]()
1 Year Warranty -
![Image of the RKI Instruments RKI T3A sensor/transmitter (HCl), showcasing a circular display within a black and red casing. A metal sensor extends from the bottom, designed specifically for monitoring hydrogen chloride gas levels.]()
![The RKI Instruments HCl gas detector, featuring a round black casing, includes a red display screen branded "RKI Instruments" and is equipped with an RKI T3A sensor/transmitter.]()
![A red and black electronic device featuring a digital display and a metal connector, marked with "RKI Instruments" and "T3A," seems to be the RKI T3A sensor/transmitter (HCl) designed for detecting HCl gas in industrial settings.]()
1 Year Warranty -
![The RKI T3A sensor/transmitter for NH3 is a cylindrical industrial ammonia detector featuring a red circular display with the brand name "RKI Instruments." It includes buttons labeled "ADD" and "SUB," along with a blue rectangular NH3 gas sensor attachment at the top.]()
![Image of an RKI T3A sensor/transmitter (NH3) from RKI Instruments. The device showcases a circular display screen set against a red faceplate with black housing. It is equipped with control buttons and connectors at the bottom, designed for industrial gas detection, specifically as an NH3 gas sensor.]()
![The RKI Instruments' RKI T3A sensor/transmitter (NH3) comes in a striking red and black design, featuring a digital display and metallic components. This dependable ammonia detector is ideal for monitoring gas levels in diverse environments.]()
![The RKI Instruments' RKI T3A sensor/transmitter (NH3) is a digital ammonia detector with a red and black casing, a small display screen, and a metallic NH3 gas sensor positioned below, designed to work seamlessly with the RKI T3A Transmitter.]()
![The RKI T3A sensor/transmitter for NH3, produced by RKI Instruments, is equipped with a circular front panel in black and red that includes a digital display. It features a durable metallic and black cylindrical base.]()
1 Year Warranty -
![The RKI T3A sensor/transmitter from RKI Instruments showcases a red circular display with the label "T3A," alongside a digital screen and buttons marked "ADD" and "SUB." It features a cylindrical metallic sensor at its base and provides RS-485 Modbus outputs for flexible connectivity.]()
![The RKI T3A sensor/transmitter for O3, manufactured by RKI Instruments, has a circular display and controls. It features a red and black casing with a blue component at its top. This precision-designed gas detector provides RS-485 Modbus outputs. Below the main unit, there is a metal cylinder with a black attachment extending from it.]()
1 Year Warranty
