Category: Gas Analysers

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Gas Analysers

Gas analysers are devices that measure the concentration or quality of a specific gas within a mixture of multiple gases. This is useful across a wide range of industries to help facility owners and managers monitor gas levels in their operations. Ensuring correct gas levels is critical for the safety of employees and the quality of products and/processes.

CO2 Datalogger for Buildings | CDL 210

CO2 Datalogger for Buildings - Overview

Ensure a healthy, productive indoor environment with this CO2 Datalogger. It provides continuous, real-time monitoring of carbon dioxide levels, temperature, and humidity, helping you optimise ventilation and maintain peak indoor air quality. It features precision tracking using infrared technology to measure CO2 concentrations up to 9,999 ppm. It has a large, clear screen that simultaneously displays CO2 levels, temperature, and humidity. It has customisable acoustic and visual alarms that trigger when preset CO2 limits are exceeded. It has adjustable logging rates and built-in protection to prevent data loss during power failures. It includes the Wöhler indoor climate software for easy data readout and analysis.

CO2 Datalogger for Buildings - Features
- Infrared-CO₂-measurement
- Adjustable acoustical and visual alarm function
- Data logger
- Adjustable comfort level indicator
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Fixed Gas Detector | BH-60

Fixed Gas Detector - Overview

The fixed gas detector uses an advanced catalytic or electrochemical sensor that translates the gas concentration in the air into a digital signal output. The detector working with a gas controller can be used to detect gas in a refinery, chemical plant, LPG station, boiler room, painting plant, and other places where gas exists.

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High Accuracy Oxygen Analyser | Rapidox 1100-OPT-MAX

High Accuracy Oxygen Analyser - Overview

This analyser is ideal for challenging applications such as measuring ppm levels of oxygen in hydrogen, helium and flammable gases, as well as high levels of oxygen in concentrators, incubators and glove boxes. The high and low-range oxygen sensors switch over automatically using a hysteresis function to optimise readings, with an adjustable switching point. The optical oxygen sensors are virtually drift-free and are factory-calibrated for life, making their lifetime cost of ownership more economical. These sensors are suitable for demanding high-oxygen applications where VOCs, flammable gases, CO, H₂ or He are present in the gas sample.

The optical oxygen sensor technology is based on luminescence quenching of a sensor dye. The dye is excited with red light, and the properties of the resulting luminescence are measured in the near infrared. The presence of molecular oxygen in the gas quenches the luminescence, changing its intensity and producing a calibrated oxygen measurement. This principle is very robust, shows virtually no interference from other gases and has a very low drift. It does not deplete over time, unlike galvanic oxygen sensors with their limited shelf life, as the optics and electronics are hermetically sealed from the measured gas. For typical indoor conditions, a 5–10 year operating life is expected.

High Accuracy Oxygen Analyser - Features
- Long life
- Fast response
- High-accuracy measurement from 0.1 ppm to 100% oxygen
- Low drift
- Factory calibrated
- Digital output of oxygen partial pressure
- Temperature compensation
- Low power consumption
- Lead-free, ROHS-compliant
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CO2 Data Logger with Humidity and Temperature – CL11
R15,000.00 ex vat
CO2 Data Logger with Humidity and Temperature - Overview

The CL11 benchtop display unit is an inexpensive multiple parameter meter that simultaneously measures and records CO2, humidity and temperature. The SW21 software package can be easily set to record as required. Data can then be downloaded, saved and analysed. Equipped with a stable humidity sensor, ROTRONIC HYGROMER® IN-1, this CO2 data logger offers unbeatable value for money.

CO2 Data Logger with Humidity and Temperature - Features:
- Includes SW21 software for configuration and data download
- Measures and logs CO2, relative humidity and temperature
- Optional external temperature probe
- Stable HYGROMER® IN-1 ROTRONIC humidity sensor
- 40,000 data point memory for CO2, humidity, temperature, external temperature values
- Maximum, minimum and average values displayed
- Adjustable audible and visual CO2 alarm
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Refrigerant Leak Detector | RL 200
R7,145.00 ex vat
Refrigerant Leak Detector - Overview

With its sensitivity of 3g/a, it enables reliable detection of the smallest refrigerant leaks. It has been developed in accordance with the strict guidelines of the F-Gas Regulation and BS EN 14624:2012. The RL 200 meets the highest standards in terms of environmental protection and technical precision. It is easy to use. The digital display gives you an overview of the measured values. The automatic zero value setting makes handling even easier, so that you can concentrate on the actual task: detecting leaks in the refrigerant system. Increase the efficiency of your maintenance processes and minimise potential environmental impacts.

Refrigerant Leak Detector - Features
- 3g/a Sensitivity
- Conforms to standards of F-Gas Regulation and BS EN 14624:2012
- Easy to use
- Digital display and automatic zero value setting
- < 1 s Response time
- Sensor lifetime ≥ 1 year (with normal use)
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Indoor Type CO2 Transmitter | GS23
R2,761.00 ex vat
Indoor Type CO2 Transmitter - Overview

This indoor type Co2 transmitter has a measuring range of 0 ... 2000 PPM, and accuracy of (at+25°C；101.3 kPa): ±40 PPM±3% of the reading. It is cost-effective and reliable. Optional display. Suitable for monitoring air quality in indoor environments such as in HVAC, air conditioning, supermarkets, museums, warehouses and data centres.

Indoor Type CO2 Transmitter - Features
- Optional LCD display
- Measures carbon dioxide
- 1 analogue output or Modbus RS-485
- Optional analogue output + RS-485
- Easy installation and maintenance
- Cost-effective and reliable
- Data can be logged and transferred to PC via RS-485 function link free software
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Multifunction Indoor Air Quality Display | 4-in-1 DMB05
R13,794.00 ex vat
Multifunction Indoor Air Quality Display - Overview

The Multifunction Indoor Air Quality Display is a 4-in-1 unit able to monitor CO2, temperature, fine particulate matter PM2.5, & humidity via RS-485 simultaneously. PM2.5 measurement helps one establish air pollution levels, allowing one to address health implications. The High Brightness LED’s ensure easy reading and recognition of measuring types and values. The CO2 levels are indicated by emoticons, allowing for speedy and straightforward interpretation. This unit also includes a 6-segment PMV Indicator to display real-time thermal body comfort. Available as a bargain set along with the Multifunction PM2.5 Indoor Air Quality Monitor TGP03.

Multifunction Indoor Air Quality Display - Features
- Fine particulate matter (PM_2.5) measurement
- Real-Time, quick reactivity
- High Brightness LED
- PM2.5 : 0 ... 500 μg/m3
- CO2 : 0 ... 2000 PPM
- Temp. : 0 ... +50 °C
- Humidity : 0 ... 100 %RH
- CO2 Indication: ☹☺(Emoticon)
- PMV Indication
- Output: RS-485
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Handheld CO2, Humidity and Temperature – CP11
R13,580.00 ex vat
Handheld CO2, Humidity and Temperature - Overview

The CP11 is an inexpensive handheld instrument measuring multiple parameters simultaneously - humidity, temperature and CO2. Psychrometric calculations of dew point and wet bulb temperature are also available. The CO2 handheld can be set as required and data can be downloaded, saved and analysed using the ROTRONIC SW21 software. The Software key is provided and can be downloaded for installation on your computer. This instrument offers unbeatable value for money, equipped with a stable humidity sensor HYGROMER® IN-1. Units are typically used for indoor air quality including, monitoring in underground car parks (safety), Leak monitoring in filling plants (safety).

Handheld CO2, Humidity and Temperature - Features
- Measures and logs CO2, relative humidity and temperature
- Maximum, minimum and average value display
- Calculates dew point
- Software key for SW21 included downloading software from website
- Hygromer® IN-1 humidity sensor
- 18,000 data point memory for CO2, humidity and temperature values
- Adjustable audible CO2 alarm
- Display with backlight
- Adjustable auto power-off function
- Mini USB interface
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CO Meter | CM 220
R3,306.00 ex vat
CO Meter - Overview

This precise electrochemical sensor measures CO concentration in the ambient air. It calculates the Maximum Workplace Concentration (MWC Value) and is easy to use. It has both visual and acoustic indicators. Applications include testing CO leakage from furnaces,water heaters and stoves.

CO Meter - Features
- Measurement of CO concentration in the ambient air
- Precise electrochemical sensor
- Calculation of the MWC-value
- Visual and acoustic indicators
- Easy operation: one button, manual zero
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CO Wall-Type Transmitter | GM33
R3,799.00 ex vat
CO Wall-Type Transmitter - Overview

This carbon monoxide wall-type transmitter is an electrochemical sensor. It has a long lifespan, good long-term stability and high accuracy. It also features lower sensitivity to interferant gases and has high repeatability.

CO Wall-Type Transmitter - Features
- Electrochemical Sensor
- Long lifespan
- Long-term stability
- High accuracy
- Lower sensitivity to interferant gases
- High repeatability
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CO2 Transmitter | GS07
Price range: R4,152.00 through R5,543.00 ex vat
CO2 Transmitter - Overview

The GS07 is a state-of-the-art non-dispersive infrared (NDIR) carbon dioxide transmitter. The direct insertion design and miniature size make it easy to install into a ventilation duct. It provides measurement in analogue outputs (0 … 10 V, 4 … 20 mA) and digital output (RS-485 Modbus RTU protocol). It helps to save money by decreasing energy consumption while maintaining a healthier indoor climate for CO2 demand-controlled ventilation.

CO2 Transmitter - Features
- Patented non-dispersive infrared (NDIR) waveguide technology
- Reliable measurements
- Complies with EMC directive 2014 / 30 / EU
- CO2 Measuring range：0 … 2,000 / 0 … 5,000 / 0 … 20,000 (PPM) (Max.：50,000 PPM)
- IP rating: IP65
- Digital output (RS-485 Modbus RTU protocol)
- Analog output (0 … 10 V, 4 … 20 mA)
- Virtually maintenance-free in most HVAC ventilation applications
- High tolerance to extreme humidity environment conditions
- Non-frill design, direct DDC connection
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CO2 Transmitter | GS43/44
Price range: R3,882.00 through R4,568.00 ex vat
CO2 Transmitter - Overview

This indoor duct-type pressure transmitter has a measuring range of 2000 / 5000 / 10000 PPM. It is suitable for monitoring air quality and saving energy in environmental control, ventilation systems and agriculture.

CO2 Transmitter - Features
- Accurate and excellent long-term life cycle
- Measuring up to 10000 PPM
- Voltage or current output
- Optional RS-485
- Free software configuration
- Optional display
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High-Concentration CO2 Transmitter | GS45
R16,207.00 ex vat
High-Concentration CO2 Transmitter - Overview

The High-Concentration CO2 Transmitter is a non-dispersive infra-red (NDIR) CO2 sensor module designed specifically for incubator applications. The GS45 comes with internal and external mounting options and with pigtail wire connections. The sensor module is powered with DC 12 V and converts the measurement into a linear voltage signal (0 … 5 V corresponding to 0 … 20 vol.% CO2) or RS-485 (Modbus communication corresponding to 0 … 30 vol.% CO2 ). The GS45 also comes with simple maintenance features. The BC wiring connection allows the user to perform a quick background calibration (BC).

High-Concentration CO2 Transmitter - Features
- non-dispersive infra-red (NDIR) CO₂ sensor module
- pigtail wire connections
- internal and external mounting options
- BC wiring allows the user to perform a quick background calibration
Datasheet

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Multi-Technology Oxygen Sensor | Ntron Microx-OL

Multi-Technology Oxygen Sensor - Overview

This wall-mounted instrument is designed to measure the oxygen concentration in inert gas supplied under positive pressure. This analyser utilises zirconia or electrochemical technology to give a reliable solution for the measurement of % and ppm oxygen ranges. The zirconia sensor life is typically 3 to 5 years when used within stated specifications. It has fast response times and a long service life. The electrochemical sensor allows for the measurement of background gases containing hydrocarbons. It has virtually no drift, ensuring your measurements are always accurate. It also has integrated audible-visual alarms that you can configure, and is available with multiple measurement ranges to customise your setup.

Multi-Technology Oxygen Sensor - Features
- Compact slimline design
- Integral visual alarm beacon
- Internal pressure and flow regulation
- Configurable alarm relays
- 4-20mA output with RS232 communication
- LCD + 4 buttons HMI
- 6mm or 1/4" compression fittings
- Zirconia or electrochemical sensor technology options
- 0 to 1,000ppm, 0 to 25%, 0 to 96% O2
- Simple to install and easy to operate
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CO₂, Temperature and Humidity Transmitter | THG03
R4,152.00 ex vat
CO₂, Temp. & Humidity Transmitter - Overview

This 3-in-1 device measures and transmits carbon dioxide, temperature, and humidity readings. For indoor use. Quick and easy to install, with the added benefit of low maintenance.

CO2, Temp. & Humidity Transmitter - Features
- 3 sensors in 1 device with LCD display
- Measures temperature, carbon dioxide & humidity
- 2 analogue outputs and Modbus RS-485
- Optional analogue output + RS-485
- Cost-efficient and reliable
- Data can be logged and transferred to PC via RS-485 function
- Quick easy installation and maintenance
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