O2

Part Number: H1016500PM1

4021-O RAM 4021 Respiratory Air Monitor, Oxygen (O2) 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

Part Number: CG2X100103

2210009 ZD 21 Fixed Gas Transmitter with Internal Sensor, Oxygen (O2), 0 - 25% / vol. by GfG

A particularly long sensor life makes the ZD 21 a low cost transmitter for oxygen monitoring. The expected lifetime of the sensor is 5 years in continuous operation. A robust aluminum casing protects the sensor and the circuitry from impacts, splashed water, and dirt.

The ZD 21 is an "intelligent" transmitter. The comprehensive electronics allow for easy operation and maintenance and also increase operational safety and accuracy. In less than 2 seconds the ZD 21 responds to oxygen escaping from a leak. This extremely short response time allows the time to take measures to prevent considerable damage.

• Extremely stable oxygen (O2) sensor lasts 5 years
• Fast response
• No influences from pressure, humidity, or temperature
• No damage from carbon dioxide (CO2)

3701-030 Dynagard Stand-alone System, Oxygen (O2) by GfG

Single-point Area Monitors

Dynagard AutoCal^® monitors are single point detection instruments that accurately measure toxic gases and oxygen levels. Alarm lights on the front panel illuminate and an internal horn sounds when gas concentrations are exceeded.

Simple and effective

The units accurately display values on a large backlit LED and can transmit a linear 4-20 mA output. AutoCal® calibration and maintenance is done effortlessly through front panel push-buttons. Smart sensors enable the user to change measuring ranges or gas types in the field without a need for additional programming. The Dynagard is equipped with onboard relays for two adjustable alarm points. It also has one sensor fault for local connection and activation or deactivation of external devices like strobes, fans, auto dialers etc.

Features

• AutoCal® automatic calibration
• Smart sensor technology
• Digital display / control connection
• Internal push-button alarm settings

2210-030 Dynagard 25 for O2 Stand-alone System with ZD 21 Transmitter for Detecting Oxygen (O2) and GMA 41B Single Channel Controller by GfG

Simple and Effective

The Dynagard 25 Series accurately measures oxygen levels. The unit offers a local display, a horn / strobe, and a linear 4-20 mA output. The Dynagard 25 Series offers a safe and reliable gas warning system.

Alarm Points

Each alarm can be adjusted separately. The alarm point values can be freely adjusted within the detection range of the transmitter. Every alarm point value can be set to over range / under range, latching / non-latching, or resettable / non-resettable.

Alarm Relays

The controller provides four voltage-free relays for the three alarms and one fault warning. The relays may be used to control additional alarm devices like lights or horns. They can even prompt specific counter measures to prevent or limit dangers from gases or vapors.

ZD 21 Zirconia Sensor

The comprehensive electronics allow for easy operation and maintenance and also increase operational safety and accuracy. In less than 2 seconds, the ZD 21 responds to an oxygen deficiency. The sensor has a platinum coating on the inside and outside of the ceramic cylinder. Oxygen is electrochemically reduced at the cathode.

The voltage produced is proportional to the next difference in the partial pressures of oxygen in the reference gas versus the sampled gas. This extremely short response time allows the user the time to take measures to prevent consideable damage.

Features

• Easy installation
• Local display and horn / strobe
• Adjustable alarm points
• On-board relays for external controls
• 4-20 mA output

2041001 GMA 41B Single Channel Controller, with Digital LED Display, External Reset Connection and Linear 4-20 mA Output by GfG

Gas Monitoring Controllers

Alarm points

Alarm relays

Features

• Single or four channel controller
• Easy mounting on DIN-rail
• Multiple alarm points with relays

Additional features

The GMA (variant B) offers an integrated BUS-system. The BUS-system supplies power from one source to all connected GMAs. The BUS-system also connects individual controller alarms together so that, with the use of the key-operated switch, all connected monitors have one collective alarm. Several GMAs can be connected easily without additional wiring.