GfG

4021 RAM 4021 Respiratory Air Monitor, Carbon Monoxide (CO) by GfG

The RAM 4021 AutoCal® series is the unit of choice where specific and accurate measurement of carbon monoxide, oxygen or dew-point levels are required. Designed to meet OSHA requirements for monitoring of Grade D respirable air, this unit is equipped with a reliable electrochemical sensor that accurately indicates the level of carbon monoxide on an illuminated liquid crystal display. Adding versatility, this unit offers optional oxygen or dew point sensors for applications where detection or measurement is needed.

Calibration and maintenance are simple with our innovative AutoCal® system. Additional features including alarm relay contacts, user adjustable alarm point, low flow alarm indicator and many more make this unit an intelligent choice. The RAM 4021 is available in four models, the 4021 (CO), 4021-1 (CO and O2), 4021-DPX (CO and dew point levels) and 4021-PR (CO and additional relay to signal power loss to monitor, complies with newest NFPA regulation). All models may be purchased with or without airline filter systems

Respiratory air specifications

All GfG Instrumentation RAM Instruments satisfy the requirements of OSHA rule 29 CFR 1910.134 (d) (2) (ii) for carbon monoxide monitoring. They will also monitor Grade E air, generally specified for breathing air in cylinders (SCBA).

Wall mounted filter panel option

The 25, 50 and 100 CFM panels filter out dangerous toxins from supplied air sources and ensure clean, breathable air. The threestage filter system efficiently removes particulates, oil vapors and hydrocarbons from an air supply. After filtration, the regulator sets the pressure for the respiratory equipment and the manifold assembly provides multiple outlets for airline hose quick connections. The model 8025 panel includes two user female quick connect outlets; the 8050 includes four, and the 8100 includes eight. A 1/2" FPT connection is standard on all 50 and 100 CFM panels, and a 3/8" FPT connection is standard on all 25 CFM panels.

Features

• Continuous compressed air CO monitor
• Integrated dew point measurement
• Robust easy-to-operate design

Features

• RAM 4021 Monitor
• Carbon monoxide (CO) sensor
• Other sensors (as specified)
• Manual

2303-500 EC 23 Fixed Gas Transmitter, Hydrogen Sulfide (H2S), 0 to 500 ppm by GfG

GfG's EC 23 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.

Robust housing

The robust aluminum casing protects the transmitter's electronic components from the harshest environments. The corrosion resistant casing protects the electricalcomponents from atmospheric hazards and is dust-tight.

Simple gas detection

The EC 23 is the simplest way to monitor ambient conditions. Simply attach the EC 23 to a GfG controller or a PLC to continuously and efficiently monitor the concentration of hazardous toxic contaminants in air. The EC 23 is also reverse-wire protected to prevent damage due to incorrect wiring of the device. The power connector has a "quick disconnect" feature to simplify transmitter installation and service.

• Simple to use and extremely economical
• Robust aluminum housing is corrosion resistant and dust-tight
• Many sensors available, including 3 detection ranges for ammonia (NH3)
• Linear 4 to 20 mA output signal
• 18 24 VDC

2350-300 EC 35 Fixed Gas Transmitter by GfG

Remote Transmitters for Oxygen and Toxic Gases

The EC 30 is an advanced transmitter for the detection of toxic gases and oxygen levels. This smart area monitor has an aluminum explosion proof housing with a stainless steel sensor cover that makes the EC 30 series suitable for the harshest environments.

Simple and effective

Once you power up the units, they will accurately display values on the large LCD and transmit a linear 4-20 mA signal to any GfG controller. AutoCal automatic calibration and maintenance is done effortlessly through push buttons or via a digital remote control connection. Smart sensors allow the user to easily change ranges or gas types in the field without a need for additional programming. The EC 36 is equipped with onboard relays for two alarm points and one sensor fault for local connection and activation or deactivation of external devices like alarms, fans, auto dialers etc.

Digital display / control connection

The digital connection allows display of readings, non-intrusive maintenance and AutoCal calibration activation to be done locally or from a distance.

Features

• Robust industrial design
• Fully-automatic one button calibration adjustment

1418-111 Micro IV Single Gas Detector with 3-Year Sensor Warranty, Hydrogen Sulfide (H2S), 0 - 500 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

Standard Accessories

• Micro IV detector
• Specified Sensor
• Alkaline Battery
• Rubber Boot
• Manual

2313002-1 2 - GMA 313 Stand-Alone System, Basic Set for Two Room Monitoring by GfG

State of the Art Technology

The best solution for CO2 monitoring fromthe specialists in gas detection. The GMA 313 indicates a gas hazard immediately and reliably. The built-in alarm LED and loud horn provide a warning before entering the room. The external alarm GMA 313 EQ also gives a warning wherever you want it, e.g. at the stairway or at the bar. The GMA 313 offers state-of-the-art sensor and microprocessor technology from a compact unit.

The sensor and electronics, horn and lights are integrated in one enclosure, thus saving installation costs. The robust casing is splashwater proof (IP 54), so splash-water cannot enter and damage the monitor. Thermostat control and temperature compensation of the sensor ensure reliable measurements and safety even in case of sudden temperature changes.

Low Maintenance and Long Lifetime

The infrared (NDIR) sensor has a considerably longer lifetime than an electrochemical CO2 sensor. The GMA 313 is low maintenance, robust, and reliable. Installation of the GMA 313 is very simple, just plug it into a standard 110 v ac wall outlet.

Infrared Principle

Carbon dioxide (CO2) absorbs light in the infrared range of the spectral. The NDIR technology of GfG's sensor detects the carbon dioxide concentration precisely and reliably. The infrared light emitted by a lamp passes through the gas sample. Carbon Dioxide absorbs the light in a narrow spectral range.

The remaining light is measured at the detector. The difference between emitted and detected light is proportional to the gas concentration. Water vapor and other gases, which may be presenting the sensor chamber, do not affect the light absorption in this spectral range.

Safe detection results, even with temperature changes. Precise optical measurement ensures the best accuracy and repeatability. The IR principle is as distinct as a fingerprint in criminology.

This means that only carbon dioxide is detected, thus eliminating false alarms from interfering gases. GfG Products use electronics with voltage stabilization and temperature compensation.

This results in stable measurement vales even with considerable temperature variations.

The GMA 313 has no moving parts which could be subject to wear and tear. This ensures a long lifetime and reduced service requirements. Permanent self-check of functional capability provides additional safety. Sensor and electronics are protected by a robust enclosure (IP 54).

3506-050 EC 35 Fixed Gas Transmitter, Nitrogen Dioxide (NO2), Display by GfG

Remote Transmitters for Oxygen and Toxic Gases

The EC 30 is an advanced transmitter for the detection of toxic gases and oxygen levels. This smart area monitor has an aluminum explosion proof housing with a stainless steel sensor cover that makes the EC 30 series suitable for the harshest environments.

Simple and effective

Once you power up the units, they will accurately display values on the large LCD and transmit a linear 4-20 mA signal to any GfG controller. AutoCal automatic calibration and maintenance is done effortlessly through push buttons or via a digital remote control connection. Smart sensors allow the user to easily change ranges or gas types in the field without a need for additional programming. The EC 36 is equipped with onboard relays for two alarm points and one sensor fault for local connection and activation or deactivation of external devices like alarms, fans, auto dialers etc.

Digital display / control connection

The digital connection allows display of readings, non-intrusive maintenance and AutoCal calibration activation to be done locally or from a distance.

Features

• Robust industrial design
• Fully-automatic one button calibration adjustment

2492013 IR 24 Fixed Gas Transmitter Carbon Dioxide (CO2), 0-25% Vol. by GfG

CO2 a toxic hazard

Carbon dioxide (CO2) is often used as a work medium, or is stored, shipped, or generated as a by-product of certain industrial applications. The specific characteristics of CO2 make this gas a hidden danger.

Carbon dioxide is odorless, tasteless, and undetectable to human senses. CO2 is considerably heavier than air and can rapidly build to dangerous concentra-tions in holes, sewers, or cellars. Concentrations as low as 4 percent volume can be toxic, and 8 percent volume CO2 can cause death. Carbon dioxide also displaces the oxygen content in the ambient air, which may lead to asphyxiation.

GfG Instrumentation's fixed gas warning systems allow continuous monitoring of gas hazards to ensure that countermeasures can be taken in time. A fixed gas monitoring system consists of a remote sensor which is connected by a cable to a controller such as the GMA 011, GMA 100, or GMA 300. The controller powers the remote sensor and evaluates its measurement signals.

IR24 for CO2

The remote sensor with its sensor cell is mainly responsible for the reliability of a gas monitoring system. The sensor is installed wherever CO2 may be present. Even the lowest gas concentrations can be detected and transmitted to a central control station as current or voltage signals which are proportional to the actual gas concentration.

IR24 detection principle: infrared light

Since carbon dioxide (CO2) absorbs light in the infrared spectral range, the NDIR method used in the GfG sensor can measure the carbon dioxide concentration precisely and reliably. Infrared light is sent through the sensor chamber. Carbon dioxide absorbs a part of this light in a narrow spectral range, and the remaining light is measured at the detector. The difference between the light sent and received is propor-tional to the gas concentration. Water vapor or other gases that can be present in the sensor chamber do not affect the light absorption in this spectrum band.

Durable construction for long lifetime

The IR24 does not contain any moving parts that are subject to wear and tear, ensuring a long lifetime, and low maintenance costs. More safety is provided by the permanent self-check and function test of the GMA controller. Sensor and electronics are protected in a solid enclosure from dust and water according to IP 54. This ensures that water cannot enter the detector, even in wet environments.

Easy handling

Behind a service lid on the front of the IR 24 are potentiometers and test connectors for easy adjustment of zero point and detection range. This allows one-person calibration on-site and reduces service down-time.

Quality control adds more safety

All remote sensors are made by GfG Instrumentation and have to pass a 100% quality and function test. All sensors are shipped pre-calibrated. An authorized GfG Instrumentation specialist makes the final adjustments during system installation.

IR 24 features

• Selective NDIR detection principle
• Extended sensor life for long-term economy
• Easy handling
• Signal output either 0.2 1 mA or 4 20 mA
• Potentiometers for easy adjustment of zero point and detection range
• Connectors for test of output signal
• Solid aluminum casing, IP 54
• High reliability and repeatability of measurement results
• Wide detection range

2811-724-001 EC 28 Gas Transmitter with Sensor, Nitrogen Oxide (NO), No Display 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

4021-TS-CE RAM 4021 Respiratory Air Monitor with Toggle Switch (for Audible Alarm) and CE Mark, Carbon Monoxide (CO) by GfG

The RAM 4021 AutoCal® series is the unit of choice where specific and accurate measurement of carbon monoxide, oxygen or dew-point levels are required. Designed to meet OSHA requirements for monitoring of Grade D respirable air, this unit is equipped with a reliable electrochemical sensor that accurately indicates the level of carbon monoxide on an illuminated liquid crystal display. Adding versatility, this unit offers optional oxygen or dew point sensors for applications where detection or measurement is needed.

Calibration and maintenance are simple with our innovative AutoCal® system. Additional features including alarm relay contacts, user adjustable alarm point, low flow alarm indicator and many more make this unit an intelligent choice. The RAM 4021 is available in four models, the 4021 (CO), 4021-1 (CO and O2), 4021-DPX (CO and dew point levels) and 4021-PR (CO and additional relay to signal power loss to monitor, complies with newest NFPA regulation). All models may be purchased with or without airline filter systems

Respiratory air specifications

All GfG Instrumentation RAM Instruments satisfy the requirements of OSHA rule 29 CFR 1910.134 (d) (2) (ii) for carbon monoxide monitoring. They will also monitor Grade E air, generally specified for breathing air in cylinders (SCBA).

Wall mounted filter panel option

The 25, 50 and 100 CFM panels filter out dangerous toxins from supplied air sources and ensure clean, breathable air. The threestage filter system efficiently removes particulates, oil vapors and hydrocarbons from an air supply. After filtration, the regulator sets the pressure for the respiratory equipment and the manifold assembly provides multiple outlets for airline hose quick connections. The model 8025 panel includes two user female quick connect outlets; the 8050 includes four, and the 8100 includes eight. A 1/2" FPT connection is standard on all 50 and 100 CFM panels, and a 3/8" FPT connection is standard on all 25 CFM panels.

Features

• Continuous compressed air CO monitor
• Integrated dew point measurement
• Robust easy-to-operate design

Features

• RAM 4021 Monitor
• Carbon monoxide (CO) sensor
• Other sensors (as specified)
• Manual

2313001-1 GMA 313 Stand-Alone System, Basic Set for One Room Monitoring by GfG

State of the Art Technology

The best solution for CO2 monitoring fromthe specialists in gas detection. The GMA 313 indicates a gas hazard immediately and reliably. The built-in alarm LED and loud horn provide a warning before entering the room. The external alarm GMA 313 EQ also gives a warning wherever you want it, e.g. at the stairway or at the bar. The GMA 313 offers state-of-the-art sensor and microprocessor technology from a compact unit.

The sensor and electronics, horn and lights are integrated in one enclosure, thus saving installation costs. The robust casing is splashwater proof (IP 54), so splash-water cannot enter and damage the monitor. Thermostat control and temperature compensation of the sensor ensure reliable measurements and safety even in case of sudden temperature changes.

Low Maintenance and Long Lifetime

The infrared (NDIR) sensor has a considerably longer lifetime than an electrochemical CO2 sensor. The GMA 313 is low maintenance, robust, and reliable. Installation of the GMA 313 is very simple, just plug it into a standard 110 v ac wall outlet.

Infrared Principle

Carbon dioxide (CO2) absorbs light in the infrared range of the spectral. The NDIR technology of GfG's sensor detects the carbon dioxide concentration precisely and reliably. The infrared light emitted by a lamp passes through the gas sample. Carbon Dioxide absorbs the light in a narrow spectral range.

The remaining light is measured at the detector. The difference between emitted and detected light is proportional to the gas concentration. Water vapor and other gases, which may be presenting the sensor chamber, do not affect the light absorption in this spectral range.

Safe detection results, even with temperature changes. Precise optical measurement ensures the best accuracy and repeatability. The IR principle is as distinct as a fingerprint in criminology.

This means that only carbon dioxide is detected, thus eliminating false alarms from interfering gases. GfG Products use electronics with voltage stabilization and temperature compensation.

This results in stable measurement vales even with considerable temperature variations.

The GMA 313 has no moving parts which could be subject to wear and tear. This ensures a long lifetime and reduced service requirements. Permanent self-check of functional capability provides additional safety. Sensor and electronics are protected by a robust enclosure (IP 54).

3661-300 EC 36 Fixed Gas Transmitter, Nitrogen Oxide (NO), Display / Alarm Relays by GfG

Remote Transmitters for Oxygen and Toxic Gases

The EC 30 is an advanced transmitter for the detection of toxic gases and oxygen levels. This smart area monitor has an aluminum explosion proof housing with a stainless steel sensor cover that makes the EC 30 series suitable for the harshest environments.

Simple and effective

Once you power up the units, they will accurately display values on the large LCD and transmit a linear 4-20 mA signal to any GfG controller. AutoCal automatic calibration and maintenance is done effortlessly through push buttons or via a digital remote control connection. Smart sensors allow the user to easily change ranges or gas types in the field without a need for additional programming. The EC 36 is equipped with onboard relays for two alarm points and one sensor fault for local connection and activation or deactivation of external devices like alarms, fans, auto dialers etc.

Digital display / control connection

The digital connection allows display of readings, non-intrusive maintenance and AutoCal calibration activation to be done locally or from a distance.

Features

• Robust industrial design
• Fully-automatic one button calibration adjustment

2492001 IR 24 Fixed Gas Transmitter Carbon Dioxide (CO2), 0-5% Vol. by GfG

CO2 a toxic hazard

Carbon dioxide (CO2) is often used as a work medium, or is stored, shipped, or generated as a by-product of certain industrial applications. The specific characteristics of CO2 make this gas a hidden danger.

Carbon dioxide is odorless, tasteless, and undetectable to human senses. CO2 is considerably heavier than air and can rapidly build to dangerous concentra-tions in holes, sewers, or cellars. Concentrations as low as 4 percent volume can be toxic, and 8 percent volume CO2 can cause death. Carbon dioxide also displaces the oxygen content in the ambient air, which may lead to asphyxiation.

GfG Instrumentation's fixed gas warning systems allow continuous monitoring of gas hazards to ensure that countermeasures can be taken in time. A fixed gas monitoring system consists of a remote sensor which is connected by a cable to a controller such as the GMA 011, GMA 100, or GMA 300. The controller powers the remote sensor and evaluates its measurement signals.

IR24 for CO2

The remote sensor with its sensor cell is mainly responsible for the reliability of a gas monitoring system. The sensor is installed wherever CO2 may be present. Even the lowest gas concentrations can be detected and transmitted to a central control station as current or voltage signals which are proportional to the actual gas concentration.

IR24 detection principle: infrared light

Since carbon dioxide (CO2) absorbs light in the infrared spectral range, the NDIR method used in the GfG sensor can measure the carbon dioxide concentration precisely and reliably. Infrared light is sent through the sensor chamber. Carbon dioxide absorbs a part of this light in a narrow spectral range, and the remaining light is measured at the detector. The difference between the light sent and received is propor-tional to the gas concentration. Water vapor or other gases that can be present in the sensor chamber do not affect the light absorption in this spectrum band.

Durable construction for long lifetime

The IR24 does not contain any moving parts that are subject to wear and tear, ensuring a long lifetime, and low maintenance costs. More safety is provided by the permanent self-check and function test of the GMA controller. Sensor and electronics are protected in a solid enclosure from dust and water according to IP 54. This ensures that water cannot enter the detector, even in wet environments.

Easy handling

Behind a service lid on the front of the IR 24 are potentiometers and test connectors for easy adjustment of zero point and detection range. This allows one-person calibration on-site and reduces service down-time.

Quality control adds more safety

All remote sensors are made by GfG Instrumentation and have to pass a 100% quality and function test. All sensors are shipped pre-calibrated. An authorized GfG Instrumentation specialist makes the final adjustments during system installation.

IR 24 features

• Selective NDIR detection principle
• Extended sensor life for long-term economy
• Easy handling
• Signal output either 0.2 1 mA or 4 20 mA
• Potentiometers for easy adjustment of zero point and detection range
• Connectors for test of output signal
• Solid aluminum casing, IP 54
• High reliability and repeatability of measurement results
• Wide detection range

3606-050 EC 36 Fixed Gas Transmitter, Nitrogen Dioxide (NO2), Display / Alarm Relays by GfG

Remote Transmitters for Oxygen and Toxic Gases

The EC 30 is an advanced transmitter for the detection of toxic gases and oxygen levels. This smart area monitor has an aluminum explosion proof housing with a stainless steel sensor cover that makes the EC 30 series suitable for the harshest environments.

Simple and effective

Once you power up the units, they will accurately display values on the large LCD and transmit a linear 4-20 mA signal to any GfG controller. AutoCal automatic calibration and maintenance is done effortlessly through push buttons or via a digital remote control connection. Smart sensors allow the user to easily change ranges or gas types in the field without a need for additional programming. The EC 36 is equipped with onboard relays for two alarm points and one sensor fault for local connection and activation or deactivation of external devices like alarms, fans, auto dialers etc.

Digital display / control connection

The digital connection allows display of readings, non-intrusive maintenance and AutoCal calibration activation to be done locally or from a distance.

Features

• Robust industrial design
• Fully-automatic one button calibration adjustment