Bacharach 24-9448 manual Operation Operating Tips

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Operation

4 Operation

4.1 Operating Tips

• When an analyzer is brought in from a cold vehicle, let it warm up slowly to minimize condensation. Temperatures below freezing will not dam- age the analyzer; however, bringing a cold analyzer into a warm, humid environment may cause condensate to form inside the case.

CAUTION: Although the analyzer itself is not damaged by an extremely cold environment, the electrochemical sensors may be damaged. The O2 sensor's electrolyte will freeze at approximately -20 ºF and the other sen- sors at approximately -94 ºF. If the analyzer is exposed to an extremely cold condition, it is strongly suggested that the sensor housings be exam- ined for hairline cracks. Be aware that a leaking sensor can cause chemi- cal burns to the skin and possibly damage the PCB assemblies.

• Ensure that the analyzer is sampling fresh air when turned ON. Pulling a stack-gas sample through the analyzer during its warm-up period will not damage the analyzer, but it will result in incorrect sensor readings, and may result in sensor error messages appearing after the warm-up cycle completes.

• Note that flue-gas condensate is acidic and very corrosive. It is important not to allow the analyzer’s internal components to come in contact with condensate for long periods of time.

• Before each use, inspect the filter element of the water-trap / filter as- sembly. Replace the filter if it looks dirty. Refer to Section 6.2.

• When sampling flue-gas, keep the analyzer above the water-trap, and keep the trap in a vertical position. This will maximize the effectiveness of the trap and keep liquid condensate from being drawn directly into the analyzer.

• When liquid condensate is seen inside the water trap, empty the trap before it becomes full. Refer to Section 4.9.

• It is recommended that the analyzer be purged after performing a com- bustion test. Once the probe is removed from the stack, let the pump run for 10 minutes or so to completely remove any remaining stack gases and dry any condensate from inside the sensor chamber and probe assembly. If the analyzer is turned OFF with high levels of flue gas remaining

in the analyzer, then the pump will continue to run and the message “PURGING SENSORS” will appear on the display until all flue gas levels fall below predetermined levels.

• When storing the analyzer, it’s a good idea to empty the water trap and leave it open to further dry it out.

• Calibrate the analyzer every 6 months to assure its accuracy.

Instruction 24-9448

4-1

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Contents Portable Combustion Analyzer Warranty Contents Operation Maintenance Contents Introduction PCA 2 General Description Calculations Sales Combo & Model ConfigurationsCalculations Features & Benefits Operational Overview AIR Primary Air Thermocouple Connector DescriptionsProbe Connections Gas, Pressure, T-Stack PCA 2 Components IrDA Printer Interface Power AC Adapter4 ∆P Differential Pressure USB Computer InterfaceFront Panel Buttons Introduction PCA 2 Directly Measures and Displays SpecificationsNormal Operating Conditions Warm-Up Time Specifications Installing or Replacing Batteries Initial Setup ScopePower Using the AC Power Adapter Connecting the Probe and Hose AssemblyConnecting the Probe and Hose Assembly to the PCA Fuel Selection Operating ParametersTemp Units Menu Temperature Units SelectionPressure Units Menu Pressure Units SelectionPollution Units Menu Pollution Units SelectionDate Setup Menu Time Setup11 O2 Reference Setup Print Pressure Selection Zoom-Display Selection O2 4.0 % CO 12 ppm EFF 82.6%Battery Charger Selection Button Sound Logging SelectionOperation Operating Tips Turning on the Analyzer and Warm Up Menu F2 button Selecting a FuelSampling Point 80% Efficiency Fan Assist or Power VentedPerforming a Combustion Test EFFList of Combustion Test Data TIP The pressure units of measure is selected per Section Making a Draft / Pressure MeasurementSaving Test Data Emptying the Water Trap Ending a Combustion TestTurning OFF the Analyzer & Purging Data Logging Use the buttons to highlight YES turn logging on Turning on Data LoggingSetting the Logging Interval and Duration Starting the Data Logging Process Ending the Data Logging Process MemoryRecalling Combustion Test Data Recalling Logged Test Data Clearing Memory Downloading Stored Data to a Computer PCA 2 Data Recovery Program Installation Operation Computer to PCA 2 Connection Computer to PCA 2 Connection USB Device Driver InstallationAt the Hardware Installation window, click Continue Anyway Recovering Data Log / Data File button Additional­ locations that contain sensor calibration data Unplugging the USB Cable Importing Saved Data Into a Spreadsheet Downloaded Data Fields Printing Test Data Printer Alignment & Sample Printout Operation Benefits of Smart Sensors CalibrationSmart Sensors Starting a CalibrationMaterial Required ProcedurePressure Sensor Calibration Pressure Sensor Calibration Equipment Stack Calibration TS-Zero ProcedureTS-Span Procedure Air Calibration TA-Zero ProcedureTA-Span Procedure CO-LO Sensor Calibration Turn OFF the regulator and remove the gas cylinder SO2 Sensor Calibration No Sensor Calibration NO2 Sensor Calibration CO-HI Sensor Calibration Gas Sensor Calibration Equipment Maintenance Removing Rear Case PCA 2 DisassemblySensor Positions Tubing Connections Wiring Replacing the Filter Element Water Trap / Filter MaintenanceEmptying the Water Trap Chamber Smart Sensor Replacement Sensor Only Replacement Maintenance Bias battery removed for Stabilization time Nitric Oxide Sensor Battery ReplacementTools Required Thermocouple ReplacementThermocouple Installation and Wiring Parts & Tools Required Pump ReplacementEquipment Required Cleaning the ProbeMaintenance Instruction Error Symbols Troubleshooting Analyzer RepairError Messages Displayed After Warm-Up Diagnostics and Status Screens Troubleshooting Description Parts & Service Replacement PartsDescription Parts 1 Parts 2 Standard Accessories AccessoriesOptional Accessories United States Service CentersPage Headquarters Hunt Valley Circle, New Kensington, PA

24-9448 specifications

The Bacharach 24-9448 is a sophisticated instrument designed for detecting and measuring hazardous gases, particularly in environmental and industrial settings. Renowned for its accuracy and reliability, this portable gas analyzer serves a crucial role in ensuring safety and compliance in various applications, including HVAC, refrigeration, and environmental monitoring.

One of the standout features of the 24-9448 is its advanced sensor technology. The device utilizes electrochemical sensors that provide real-time readings of specific gas concentrations, including carbon monoxide, carbon dioxide, and other toxic gases. These sensors are designed to be sensitive and selective, ensuring they deliver precise measurements without interference from other substances in the environment. This is particularly important in industrial settings where multiple gases may be present.

The Bacharach 24-9448 also boasts a user-friendly interface with a clear display that makes it easy for operators to interpret results quickly. The unit features a simple menu navigation system, allowing users to access different functions without hassle. This design consideration enhances usability, especially in high-pressure situations where every second counts.

Portability is another key characteristic of the 24-9448. Weighing in at just a few pounds, it is easy to transport and operate in various locations, whether it be on a job site or in an environmental monitoring scenario. The robust housing is designed to withstand the rigors of fieldwork, ensuring longevity and durability despite challenging conditions.

Moreover, the device includes data logging capabilities, enabling users to store and later review measurements. This feature is essential for compliance documentation and for analyzing trends over time. Users can download data for further analysis, aiding in thorough reporting and decision-making processes.

In addition to its core capabilities, the Bacharach 24-9448 offers flexibility with adjustable calibration settings, accommodating different gas types and concentration ranges. This adaptability ensures it can meet the specific needs of diverse applications, making it a versatile tool in the field.

Overall, the Bacharach 24-9448 is an essential instrument for professionals in various sectors. Its combination of advanced sensor technology, user-friendly design, portability, and data logging capabilities solidifies its position as a leading choice for gas detection and measurement. Whether for routine checks or emergency responses, this analyzer provides the reliability that ensures safety in potentially hazardous environments.
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