GfG

2214018 CS 21 Fixed Gas Transmitter, HFC-23 (CHF3), 30 to 1000 ppm by GfG

The CS 21 transmitter uses the proven chemosorption detection principle for detection of toxic gases, vapors and combustibles. The rapid response of the transmitter provides opportunity to take counter measures and thereby limit damages. The long life of the sensors makes the CS 21 a low-cost solution for your detection needs. A transmitter can be continuously operated for more than 5 years.

Wall mount installation is straightforward. The distance between transmitter and controller can be greater than 500 m. A rugged aluminum casing protects the sensor and electronics from splashes of water and dirt. The transmitter must not be operated in EX-areas. For measurement of combustible gases in the LEL range the gas needs to be sampled by pump. In this case the EX-protection needs to be guaranteed with suitable external components (e.g.flame-protection).

• High sensitivity to a broad range of refrigerants
• Long sensor life
• Fast response

G460-01-01-02-61-20 G460 Multi-Gas Detector With NiMH Battery, O2, Infrared LEL Sensor / % Vol., CO and H2S Sensor, CO2 by GfG

For over 50 years, GfG Instrumentation has worked to develop the most reliable and effective equipment for gas detection and measurement technology. Developed by a team of highly experienced scientists and specially trained engineers, GfG products are high quality reliable instruments designed to meet the unique needs of potentially hazardous worksite. With the introduction of the G460 Multi-Gas Detector, GfG Instrumentation is continuing the trend.

G460 Multi-Gas Detector

The G460 Multi-Gas Detector is a compact and robust system with the capabilities of detecting up to six different gases and simultaneously displaying the readings. The portable detector features a user friendly and intuitive interface to simplify the day to day operations.

Ease of Use

For typical daily operations, the G460 Multi-Gas Detector operates with a single button. The complete user interface can provide access to advanced setup options with three buttons. The unit also features easy calibration operation. Simply attach the calibration adapter and apply gas. The G460 will automatically perform the appropriate adjustments. The detector will then store the dates of the three most recent calibrations for each sensor.

The G460 also features a large easy to read tricolor display which uses a color code to indicate the alarm severity. From green to orange to red, the tricolor display is intuitive and incredibly user friendly. The display feature can also flip or zoom with the touch of a button. The G460 multi-faceted alarm system also includes an ultra loud audible buzzer at 103 dB, a standard vibration mechanism, and 360 bright LED alerts (the LED alerts can also be equipped to function as flashlights). This multi-faceted system is sure to alert users and those nearby of the potential hazardous conditions. For smooth and continuous operations, the G460 Multi-Gas Detector uses interchangeable alkaline and rechargeable battery packs that provide up to 25 hours of continuous operation. Using a drop in cradle charger, the rechargeable pack can completely recharge in less than 4 hours.

G460 Multi-Gas Detector Features

The G460 Multi-Gas Detector features a motorized pump with a built-in diffusion or sample draw mode switch. The hose is easily attachable and can draw from 100 feet away. The hose is powered by its own battery pack that provides 20 hours of continuous operation. The multi-gas detector also features the widest range of sensors on the market. The compatible long lasting (and interchangeable) smart sensors include LEL, SO2, O2, H2, H2S, NO, CO, O3, HF, NH3, CIO2, CI2, PH3, ETO, HCN, and NO2. Users can purchase additional sensors to help customize the unit such as infrared sensors for the measurement of CO2 and photoionization sensors for volatile organic chemical hazards. The G460 has standard data logging capabilities that store up to 55 hours of the most recent activities. Alarm activations gas thresholds and stored permanently in the internal memory. Employers can download all internal information to generate reports and monitor results.

1418-120K Micro IV Value Kit with 2-Years Sensor Warranty, Hydrogen Cyanide (HCN), 0 - 50 ppm by GfG

Durable, compact design

Widest Range of sensors

Easy Operation

Up to six months of battery life

Clip-on attachment

Optional motorized pump

Large graphic display

Audible, vibrating and visual alarms

Lifetime warranty

DS220 docking station

Features

• Highly configurable smart sensor design
• Wide range of sensors including O₂, H₂S, CO, NH₃, SO₂, CL₂, CLO₂, PH₃, NO₂, HCN, HCl, ETO, HF, O₃, NO, H₂, THT and more!
• Full 3-year warranty on O₂, CO and H₂S sensors
• Optional sample draw pump
• Large display with real-time readout
• Event / Datalogging standard
• Programmable ceiling (3), STEL & TWA alarms
• Vibrating Alarm standard
• AutoCal® automatic calibration
• Optional docking station

Value Kit Configuration

• All standard accessories: Micro IV detector, Specified Sensor, Alkaline Battery, Rubber Boot, Manual
• Calibration Adapter
• Calibration Gas
• Fixed Flow Regulator
• ABS Carrying Case

2109-250F EC 21 Fixed Gas Transmitter with Internal Sensor, Ammonia (NH3), 2 ppm, 0 - 250 ppm by GfG

GfG s EC 21 transmitter for detecting toxic gases in ambient air is an inexpensive gas detection solution for use in a wide variety of today's industrial applications.

Simple gas detection

The EC 21 is the simplest way to monitor ambient conditions. Simply attach the EC21 to a GfG controller or a PLC to continuously and efficiently monitor the concentration of hazardous toxic contaminants in the air.

The EC 21 is reverse-wire protected to prevent damage due to incorrect wiring of the device. The power connector hasa "quick disconnect" feature to simplify transmitter installation and service.

Mounting Position of the EC 21

To determine the mounting position of the EC 21 it is important to know and consider the ambient conditions. To achieve the best results, the ventilation conditions and the density of the gases need to be considered.

The EC 21 must be installed so that the gas reaches the sensor even in poorly ventilated areas. If necessary, check the area with a smoke cartridge.

Other influences such as water (rain, dripping or condensation) and dust need to be considered as well.

Features

• Simple to use and extremely economical
• Robust housing is corrosion resistant and dust-tight>
• Linear 4 to 20 mA output signal
• 18 - 24 VDC

2811-724-004 EC 28 Gas Transmitter with Sensor, Nitrogen Oxide (NO), Display / Alarm / Relay by GfG

Advanced Technology

Wherever hazards are expected, the EC 28 transmitter and GfG s proven monitoring systems are the right choice for reliable surveillance. The ATEX-certified design, an integrated, Ex-proof buzzer, and bright alarm LEDs provide the highest safety in hazardous areas by including visual and audible alarms. The gas alarm not only alerts the person in the control room of hazards, but also the person on-site.

Easy handling

Smart sensor technology allows a user to install the transmitter or to replace a sensor within a few seconds just plug the sensor into the transmitter. Adjustments are done directly at the transmitter using touch keys or with the remote control (one-person calibration).

Remote Control RC2

Ammonia and hydrogen are lighter than air. With the transmitter installed close to the ceiling, GfG can provide permanently connected cables with plugs for the remote control, which allow the user to do all adjustments without having to climb a ladder. In addition, one remote control can be used for several transmitters, which helps cut costs and increase efficiency.

The remote control display is always identical to that of the transmitter, making inspection, service, and calibration considerably simple.

The remote control reads the current gas concentration and can be used as an external display.

Integrated Alarm Saves Money on Ex-proof Alarm and Wiring!

The EC 28 D model shows the current gas concentration on-site at the display of the transmitter and also at GfG s GMA controller.

The EC 28 DAprovides additional bright alarm LEDs and a buzzer avoiding costs for a separate Ex-proof horn and an Ex-proof light. You also save money on wiring to connect the controller and alarm devices.

In combination with GfG's flexible control units, the EC 28 provides various possibilities for reliable and cost-effective gas monitoring.

Reliable Measurement, Increased Safety, Minimized Cost of Operation

Accurate sensors and integrated temperature compensation provide the highest measurement accuracy. Low maintenance requirements and the long sensor life reduce your cost of ownership.

Features

• Reading of gas concentration at transmitter display
• Ex-proof visual and audible alarms
• ATEX certificate II 1 G EEx ia IIC T4 / II 2 G EEx em [ib] IIC T4
• One-person calibration at transmitter using touch keys or remote control
• Plug-in smart sensor sensor replacement without opening the casing

Advantages

• Concentration display at transmitter or at remote control
• ATEX II 1 G EEx ia IIC T4 / II 2 G EEx dem [ib] IIC T4
• Ex-proof visual and audible alarms
• No need for expensive Ex-proof buzzer or wiring
• Easy sensor replacement by means of plug-in smart sensors
• Long sensor life
• Low service requirement
• Permanent status and function display at transmitter
• Adjustments without opening the casing using touch keys or remote control; easy handling even for hardto-reach transmitter positions

2109-200F EC 21 Fixed Gas Transmitter with Internal Sensor, Ammonia (NH3), 2 ppm, 0 - 200 ppm by GfG

GfG s EC 21 transmitter for detecting toxic gases in ambient air is an inexpensive gas detection solution for use in a wide variety of today's industrial applications.

Simple gas detection

The EC 21 is the simplest way to monitor ambient conditions. Simply attach the EC21 to a GfG controller or a PLC to continuously and efficiently monitor the concentration of hazardous toxic contaminants in the air.

The EC 21 is reverse-wire protected to prevent damage due to incorrect wiring of the device. The power connector hasa "quick disconnect" feature to simplify transmitter installation and service.

Mounting Position of the EC 21

To determine the mounting position of the EC 21 it is important to know and consider the ambient conditions. To achieve the best results, the ventilation conditions and the density of the gases need to be considered.

The EC 21 must be installed so that the gas reaches the sensor even in poorly ventilated areas. If necessary, check the area with a smoke cartridge.

Other influences such as water (rain, dripping or condensation) and dust need to be considered as well.

Features

• Simple to use and extremely economical
• Robust housing is corrosion resistant and dust-tight>
• Linear 4 to 20 mA output signal
• 18 - 24 VDC

2901-37-004 IR 29 i Gas Transmitter without Display, with Pressure and Humidity Compensation, IP67, Propane (C3H8), 0 - 100 LEL by GfG

Measuring Principle

IR transmitters have become recognized as reliable gas warning systems for explosion protection. They are used to detect individual combustible gases or a wide range of gases. This involves sending an IR beam with a certain light intensity through a measuring space and then capturing it with a detector. Parts of this beam are absorbed by, amongst other things, hydrocarbon molecules. The reduced light intensity of the beam is registered by beam detectors and converted into a signal as the existing % LEL gas concentration.

Benefits

A special feature of our IR technology is its ability to also measure combustible gases above the lower explosion limit. Moreover, the measurement does not require oxygen.

With this technology there is basically no risk of contaminating the sensor, through silicone vapors or hydrogen sulfide, when using catalytic combustion sensors.

Operation

IR transmitters are usually used with 2 wavelengths, a so-called reference wavelength and just one measuring wavelength. Strict limits are applied to these systems. The absorption spectra of many hydrocarbons are located in the wavelength range of 3.3 μm and overlap to a large extent.

This means that gases with overlapping spectra and just one measuring wavelength can no longer be clearly distinguished. Some hydrocarbons, e.g. the frequently used welding gas acetylene, are non-absorbing in the wavelength range of 3.3 µm, but absorb instead in neighboring wavelength ranges.

In many practical applications, it is not essentially important which gas is responsible for the explosion risk. Therefore, early warnings through the broadband measurement of hydrocarbons in order to monitor the lower explosion limit (LEL) must be guaranteed. False alarms with uncritical concentrations of individual gases or solvents are thus absolutely unacceptable.

These requirements are problems for systems with 2 wavelengths.

Patented GfG Technology

The internationally patented technology of the IR 29 has been developed to solve these problems. The gold-plated mirror optics of the sensor contains 2 radiators and up to 4 detector elements with different optical filters. The precisely calculated, microstructured and pure gold coated mirror optics of the IR 29 are supplied for the first time without beam splitters.

This helps to cut signal losses by 50 % and to completely avoid the physically-related disadvantages of a beam splitter. The measured values from two additional wavelengths (4 wavelengths in total) ensure improved detection of individual gases and thus enhanced selectivity. This results in the prevention of false alarms. Only a 4 wavelength system always guarantees early warnings and the simultaneous prevention of false alarms.

New Technology

The IR 29 is the first and only intrinsically safe IR gas transmitter with patented 4-beam 4-wavelength technology.

The ignition protection class "intrinsically safe", which is so essential for industrial plants and the mining industry, is achieved by the additional use of the SB1 safety barrier and its internationally patented and innovative design.

Complete Safety Even In Zone 0

The IR 29 is the first IR gas transmitter that can also be used in Ex zone 0 and which enables maintenance as well as replacement of the sensor head without additional expense when energized.

Universal Application

The IR 29 with its robust V4A stainless steel housing has been designed to withstand the harshest environmental conditions.

The application areas of the dust and water-protected structure range from production and storage areas to disposal sites, biogas plants, mines and oil rigs.

Internal Data Logger

A standard built-in data logger records all the measuring data, minimum / maximum values, average values and alarm events of the last 24 hours in a ring buffer.

The recording can also be shown on the display as a 2 and 8 hour trend indicator.

The histogram mode can be selected as a permanent display of the measured values. These values are continuously updated.

Graphical Display

Measured values are shown on the high-contrast graphical display. The display can be rotated 180° depending on the installation of the IR 29.

Self Diagnosis

Processor-based signal processing enables the systematic compensation of temperature dependencies, aging influences and soiling effects. Safety-relevant functions are monitored permanently via self-diagnosis procedures and a possibly required service is indicated automatically. Daily interfering factors, such as dust and dirt accumulation, are almost completely eliminated by the innovative design.

Pressure Sensor, Moisture and Temperature Compensation

The measuring accuracy of IR sensors depends on partial pressure and thus also air pressure. Climatic fluctuations or barometric high pressure therefore influence the measuring result. Furthermore, the absorption spectrum of water almost completely covers that of hydrocarbon absorption in the 2.7 to 3.3 μm range. Air humidity therefore initially generates a measuring signal the same as the actual measuring gas. This cross-sensitivity is of particular importance in warm areas with high relative humidity. An increase in the absolute water absorption capacity of air is not linear with the temperature, i.e. three times as much water can be absorbed at 40 °C than at 20 °C. This influence can only be compensated if the current moisture content of the air is known. The IR 29 can be optionally equipped with a pressure and moisture sensor for compensation.

Maximum Safety

The innovative display enables the realization of completely safe warning concepts.

Local displays and signals directly at the device can be used to provide an early warning of potential risks.

The display at the upstream safety barrier SB1 D enables the detection of risks outside the danger zone being monitored.

This allows immediate on-site action before really hazardous situations occur.

Dust Protection

A gas permeable, water-repellent diaphragm protects the absorption space of the transmitter against dust. The additional impact protection made from robust V4A stainless steel prevents mechanical damage to the optical components.

The diaphragm can be cleaned or replaced in a matter of minutes.

Remote Controls

The IR 29 transmitter does not feature control elements for setting or servicing tasks. This helps to prevent accidental or unauthorized manipulation.

Service work at the IR 29 transmitter is carried out using the RC 2 remote control.

Features

• First intrinsically safe infrared transmitter for explosion protection
• ATEX II 1G Ex ia IIC T4 Ga C0158 can also be used in Ex zone 0
• Temperature, moisture and pressure compensation
• Patented infrared technology (NDIR)
• The energized IR sensor head can be replaced in Ex areas
• Maintenance and service-friendly

2214016 CS 21 Fixed Gas Transmitter, HCFC-21 (CHCl2F), 30 to 5000 ppm by GfG

The CS 21 transmitter uses the proven chemosorption detection principle for detection of toxic gases, vapors and combustibles. The rapid response of the transmitter provides opportunity to take counter measures and thereby limit damages. The long life of the sensors makes the CS 21 a low-cost solution for your detection needs. A transmitter can be continuously operated for more than 5 years.

Wall mount installation is straightforward. The distance between transmitter and controller can be greater than 500 m. A rugged aluminum casing protects the sensor and electronics from splashes of water and dirt. The transmitter must not be operated in EX-areas. For measurement of combustible gases in the LEL range the gas needs to be sampled by pump. In this case the EX-protection needs to be guaranteed with suitable external components (e.g.flame-protection).

• High sensitivity to a broad range of refrigerants
• Long sensor life
• Fast response

1316009 G311 Single Gas Detector for Methane (Natural Gas), Propane, and Other MOS Detectable VOCs, with 4 AA Alkaline Batteries by GfG

Pinpoint the Smallest Leaks

Small leaks in pipes or storage tanks can release enough gas to build up dangerous concentrations. The careful inspection of flanged, threaded and soldered connections before and after installation will ensure equipment and worker safety. The G300 leak detector will make leakage sprays a thing of the past

Clear and simple displays and warnings

Changing gas concentrations are indicated audibly and visually. The frequency of the audible warning rises with gas concentrations, allowing the user to pinpoint leaks. The bar graph display will warn the user if dangerous gas concentrations arise.

Light, compact and durable

Designed for one-handed operation, the G300 reacts to concentrations as small as 5 ppm and measures up to more than 10,000 ppm or 1% volume. The sensor is located at the end of a flexible gooseneck or a helix cable to allow the user to reach difficult or unreachable locations. The G300 is available with or without explosion protection for ammonia and combustible gases. The G311 operates on four "AA" alkaline batteries. All others have a rechargeable battery with run times of more than eight hours.

Features

• Small, light, and durable leak detector
• For combustible gases and ammonia
• More than 8 hours of continuous operation
• Explosion-proof models available

Standard Accessories

• G300 Detector
• Specified sensor
• Alkaline batteries or rechargeable NiMH battery pack as specified
• Charger (with rechargeable battery pack only)
• Fixed gooseneck (with alkaline battery pack only)
• Manual

1316-002 G313 Single Gas Detector for Methane (Natural Gas), Propane, Refrigerant and other MOS Detectable VOCs, with NiMH Rechargeable Battery Pack by GfG

Pinpoint the Smallest Leaks

Small leaks in pipes or storage tanks can release enough gas to build up dangerous concentrations. The careful inspection of flanged, threaded and soldered connections before and after installation will ensure equipment and worker safety. The G300 leak detector will make leakage sprays a thing of the past

Clear and simple displays and warnings

Changing gas concentrations are indicated audibly and visually. The frequency of the audible warning rises with gas concentrations, allowing the user to pinpoint leaks. The bar graph display will warn the user if dangerous gas concentrations arise.

Light, compact and durable

Designed for one-handed operation, the G300 reacts to concentrations as small as 5 ppm and measures up to more than 10,000 ppm or 1% volume. The sensor is located at the end of a flexible gooseneck or a helix cable to allow the user to reach difficult or unreachable locations. The G300 is available with or without explosion protection for ammonia and combustible gases. The G311 operates on four "AA" alkaline batteries. All others have a rechargeable battery with run times of more than eight hours.

Features

• Small, light, and durable leak detector
• For combustible gases and ammonia
• More than 8 hours of continuous operation
• Explosion-proof models available

Standard Accessories

• G300 Detector
• Specified sensor
• Alkaline batteries or rechargeable NiMH battery pack as specified
• Charger (with rechargeable battery pack only)
• Fixed gooseneck (with alkaline battery pack only)
• Manual

Include: ABS carrying case, fixed flow regulator (as specified), calibration adapter and tubing