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Summary of Contents for SKC Split 2
- Page 1 Operating Instructions Split 2 Real Time Dust Monitor This manual covers the following model: 770-300A...
- Page 2 Please note that SKC Ltd are the only authorised service centre in the UK, guaranteeing you access to the full range of genuine SKC replacement parts. For all other areas a full list of SKC approved distributors and service centres can be found at www.skcltd.com SKC UK service centre - Tel: +44 (0)1258 480188 Fax: +44 (0)1258 480184 Email: info@skcltd.com...
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Page 3: Table Of Contents
Contents Specifications ............................2 1) Specifications ..........................2 2) Kit Contents ..........................2 3) Features ............................ 3 General Information ..........................4 1) Care of the Split2 Monitor ......................4 2) Sampling Methods ........................4 3) The WEEE Directive ........................4 4) The Batteries Directive ...................... -
Page 4: Specifications
• Operating temperature: 0°C to +50°C • Humidity range: 95% non-condensing • Casing IP rating: IP20 (Finger proof - Split 2 is not designated as waterproof) • Battery: 7.2V 1.15Ah NiMH rechargeable battery • Run time: 8 hours minimum (with fully charged battery) •... -
Page 5: Features
DustComm Pro software supplied with RS-232 cable for downloading Management data to a PC. Note that some PC’s may require a USB to RS-232 adapter (not SKC supply) to enable this feature. Data translation to ASCII text files, importable into Microsoft Excel and other spreadsheet applications. -
Page 6: General Information
For more detailed information on air sampling terminology, theory and sampling methods please refer to SKC’s Step-By-Step Guide to Air Sampling (Part No. 224-G1). To obtain a free copy please contact SKC Ltd customer services on +44 (0) 1258 480188 or download at www.skcltd.com. -
Page 7: Split2 Monitor Diagram
Split2 Monitor Diagram Split2 Monitor RS-232 Data Port Sensor Head Socket On/Off Switch Charging Socket LCD Screen Keypad Spring Clip Sensor Bracket Sensor Head Sensor Head Plug www.skcltd.com 770-300M Issue E Page 5... -
Page 8: Sensor Head Exploded Diagram
Sensor Head Exploded Diagram Page 6 770-300M Issue E www.skcltd.com... -
Page 9: Getting Started
2 - 3 charge / discharge cycles to achieve full capacity. The Split2 monitor must only be charged using the correct SKC charger (Part No. 770-320). The charger is supplied with mains input plugs suitable for use in the UK, Europe, USA and Australia / New Zealand. -
Page 10: Standby Mode
If the monitor will still not wake from standby mode charge it fully. When first switched on, the Split2 unit monitor will Split 2 display the welcome screen as shown. Real - Time... - Page 11 Getting Started Press the enter key to select the required menu option System Options and the new screen will be displayed. Date/Time Set Alarm Cancel In some screens, such as the Set Date/Time screen, Time: ▵ : use the up and down keys to adjust the underlined Date: value.
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Page 12: Initial Setup Of The Split2 Monitor
Initial Setup of the Split2 Monitor Attach the sensor head plug to the socket on the side Split 2 of the Split2 monitor. Switch on the Split2 monitor Real - Time using the push button on/off switch on the side. The... -
Page 13: Clearing The Data Logging Memory
Initial Setup of the Split2 Monitor Use the up and down keys to adjust the underlined Time: ▵ : value. Date: Day: Press the enter key to enter the selected value and the Time: 1▴: next digit is highlighted by the underlined cursor. Date: Day: Enter the hours, minutes and seconds of the time in 24... - Page 14 Initial Setup of the Split2 Monitor On the System Options menu screen use the up and down keys to highlight the Erase Memory menu item and press enter to show the new screen. Erase Memory? DATA WILL BE LOST Select the Yes option and press enter to erase the System Options memory, or select the No option to retain the existing Date/Time...
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Page 15: Passive Or Active Sampling
Passive or Active Sampling The Split2 monitor can be used in two operating modes, Passive or Active (with optional air sample pump). The choice of which operating mode to use will depend on the dust fraction of interest - Respirable or Inhalable fractions, and whether a filter sample is required for subsequent gravimetric and/or chemical analysis. - Page 16 The pump flow rate must be adjusted to 2 l/min using a suitable air flow calibrator such as the SKC chek-mate and a calibration adapter for the IOM sampler (SKC part number 391-01). In Active mode with a size selective foam plug fitted to the IOM inlet at the front of the sensor head the Split2 monitor will respond to the respirable fraction.
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Page 17: Setup Of The Split2 Monitor For Sampling
The required flow rate is 2 l/min. The required equipment is a flow meter with traceable calibration such as the SKC chek-mate, a calibration adapter for the IOM sampler (SKC part number 391-01) and a length of 1/4” bore flexible tubing. -
Page 18: Check The Battery Status
Setup of the Split2 Monitor for Sampling 2) Check the Battery Status Always ensure that the battery is fully charged before commencing sampling. The Split2 battery pack has a nominal voltage of 7.2V. A fully charged battery pack will have a voltage of 8.0V or higher. -
Page 19: Set The Sample Rate
Setup of the Split2 Monitor for Sampling On the System Options menu screen press enter to Extended Options select the Extended Options menu item and show the Sample Rate new screen. Erase Memory Cancel On the Extended Options menu screen press enter to Size Select select the Size Select menu item and show the new Battery Status... -
Page 20: Set The Alarm Concentration Level
Setup of the Split2 Monitor for Sampling 5) Set the Alarm Concentration Level An audible alarm can be set to alert the worker that the dust concentration level is approaching a threshold limit. As a starting point it is recommended to set the alarm concentration level to 80% of the WEL (Worker Exposure Limit) for the particulate type being sampled. - Page 21 Setup of the Split2 Monitor for Sampling Note: If performing respirable sampling in Active (pumped) mode perform the auto-zero prior to fitting the size-selective foam to the IOM inlet on the sensor head. On the main menu screen press the up and down keys to highlight the Auto-Zero menu item.
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Page 22: Sampling With The Split2 Monitor
Sampling With the Split2 Monitor Once the setup procedure has been completed as detailed in the previous section the Split2 monitor is ready to begin sampling. 1) Mounting the Split2 Monitor on the Worker Mount the Split2 monitor onto the worker using the belt clip to secure it to the worker’s belt. If using the Split2 monitor in Active (Pumped) mode mount the air sample pump adjacent to the Split2 monitor securing with the pump’s belt clip. -
Page 23: Low Battery Function
Setup of the Split2 Monitor for Sampling Press enter to initiate sampling with the required alarm and data options. If either of the overwrite options were selected an overwrite confirmation screen is Confirm overwrite displayed. of data Press the up and down keys to select Yes to overwrite the data or No to return to the main menu screen. -
Page 24: Finish Sampling
Sampling With the Split2 Monitor To clear the low battery screen press enter and the display will return the main menu screen. When the battery voltage drops below approximately 6.5V the Split2 monitor will automatically switch to Standby mode. 4) Finish Sampling At the end of the sample period press the enter key to stop sampling and the display will return to the main menu screen. -
Page 25: Reviewing The Sample Data
Reviewing the Sample Data On completion of the sample the stored data can be reviewed on the Split2 monitor screen. On the main menu screen press the up and down keys to highlight the Review Data menu item. Press enter to Review Data display the Review Data menu screen. - Page 26 Reviewing the Sample Data The next Statistics screen indicates the lowest MINIMUM recorded dust concentration and the date and time it Date: MON 03-APR-17 occurred. It also indicates which fraction was sampled Time: 09:38:19 - I for inhabable, R for respirable. Press the down key Conc: I 28.46 mg/m to display the next Statistics screen or press enter to...
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Page 27: Setting A Custom Scale Factor
Setting a Custom Scale Factor The Split2 monitor is calibrated using ISO 12103-1 A2 Fine Test Dust. The different dust types present in actual workplace locations will have different reflection and refraction properties from those of the test dust and will therefore have different light scattering properties within the Split2 monitor sensor head. - Page 28 Setting a Custom Scale Factor On the Extended Options menu screen press enter to Size Select select the Size Select menu item and show the new Battery Status screen. Cancel On the Size Select menu screen press the up and down Select keys to highlight the Apply Scale menu item and press Apply Scale...
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Page 29: Downloading The Sample Data To A Pc
Properties. On the Properties window ensure that the Unit Type is set to “Split 2” from the drop down list. Ensure that the Download Port is set to the correct COM port number on the PC from the drop down list. -
Page 30: Maintenance Of The Split2 Monitor
±10% repeat the calibration span check procedure. If the difference between the Split2 monitor reading and the K factor value is still greater than ±10% then the Split2 monitor should be returned to SKC for service and recalibration. Page 28 770-300M Issue E www.skcltd.com... -
Page 31: Care Of The Battery Pack
• Full battery capacity will be achieved after 2 to 3 full charge / discharge cycles. • Use only the SKC approved charger designated for this battery pack. Use of a non-SKC approved charger may impair battery performance or even cause irrepairable damage, and will invalidate the battery pack warranty. -
Page 32: Cleaning The Sensor Optics
This means that they must be collected and treated separately from other waste. • Please ensure that any end-of-life SKC battery packs are collected and recycled or disposed of correctly. - Page 33 Maintenance of the Split2 Monitor Inspect the internal face of the curved cover plate and internal surfaces of the sensor head for dust. If required remove the dust by blowing off with low pressure compressed air. Inspect the glass lenses of the sensor for dust. If Sensor Lens required clean the dust from the lenses using a dry foam tipped swab.
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Page 34: Split2 Monitor Replacement Parts And Accessories
770-307 Tripod stand for Split2 monitor If the required item is not listed, contact your supplier or SKC sales on +44 (0) 1258 480188 The full range can be found in the current SKC catalogue and at www.skcltd.com Page 32 770-300M Issue E www.skcltd.com... -
Page 35: Warranty Information
SKC, or, due to the buyer’s failure to maintain normal maintenance, improper selection or misapplication. The warranty also DOES NOT cover any claims due to the use of a non-SKC approved charger to charge the battery pack. - Page 36 A I R S A M P L I N G S O L U T I O N S & E X P E R T I S E Limited, 11 Sunrise Park, Higher Shaftesbury Road, Blandford Forum, Dorset, DT11 8ST, United Kingdom Phone: +44 (0) 1258 480188...
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