Users Manual
Contents
1. P20136 8 Only those products bearing the UL Listing Mark fot the US and Canada should be considered as being covered by UL s Listing and Follow Up Service meeting the appropriate requirements for the US and Canada The UL Listing Mark for the US and Canada generally includes the UL in a circle symbol with C and US identifiers Du with the word LISTED a control number may be alphanumeric assigned by UL and the product category name product identifier as indicated in the appropriate UL Directory LOOK FOR THE UL LISTING MARK ON THE PRODUCT Gu LA Paul T Kelly Associate Managing Engineer Issued 06 December 1999 This certificate may only be reproduced in its entirety and without alterations Underwriters Laboratories Inc 333 Pfingsten Road Northbrook IL 60062 2096 USA Phone 1 847 272 8800 142326 Fax 1 847 272 9475 E mail hazloc ul com Website htep www ul com hazloc 17 SKC INC LIMITED ONE YEAR WARRANTY 1 SKC warrants that its instruments provided for industrial hygiene environmental gas analysis and safety and health applications are free from defects in workmanship and materials under normal and proper use in accordance with operating instructions provided with said instruments The term of this warranty begins on the date the instrument is delivered to the buyer and continues for a period of one 1 year This warranty does not cover claims due to abuse misuse neglect alte2. 100 Two bars indicate that the battery is charged enough to operate the pump approximately 25 to 75 One bar indicates battery charge is low charge battery approxi mately 1 to 25 gt m m Low Battery Fault No bars and a flashing outline indicate a Low Battery Fault mode pump will go into HOLD mode 2 Vs BER VAN When the pump stops due to a low battery and is left to stand for a period of time one battery bar may appear This false recovery will fall quickly if the pump is operated without recharging it RECHARGE THE PUMP BEFORE SAMPLING Using a non approved charger voids the SKC warranty For more information on Battery Care and Maintenance see the AirChek 2000 User Manual Charging the Battery Pack To charge the battery plug the charger into a standard wall outlet Insert the charging plug from the charger into the battery charging jack on the back of the pump The fast charging function of the battery pack will recharge the battery in approximately 6 hours or less For optimum performance use a charger that does not promote memory effect see Accessories on p 16 Follow charger instructions i Using a non approved charger voids the SKC warranty Computer Interface Tampering with the battery Port pack voids the SKC warranty the UL Intrinsic Safety listing model 210 2002 and the CENELEC approval for model 210 2002EX D Do not charge in hazardous environ
3. 91 210 500 224 26 CPC 224 26 01 224 26 02 224 26 03 224 26 04 224 29A 224 29B 224 29C 224 29T Accessories Description Cat No Replacement Parts Battery Pack P20136 Battery Pack CE approved for model 210 2002Ex P21113 Belt Clip P20139 Case P20137 Case with interface for PC board in place P20137A Charging Jack P20145 Cover Battery Pack P20144 Filter inlet O ring 3 P20140 Filter Housing P20142 Filters inlet 50 P40011 Gasket Set P21273 Keypad P79361 Stack P20138 PC Board P79519 PC Board Interface P79543 Cover Port P20179 Keypad P79361 Screw Gasket Kit P21002 Valve Assembly Bottom P21272 Valve Assembly Top P21322 Long duration Detector Tube Accessories Trap Tubes 222 3D 2 Tandem Protective Tube Cover 224 29T 16 UNDERWRITERS LABORATORIES INC CERTIFICATE OF COMPLIANCE UL Certificate Number 99 44269 1 This certificate is issued for Air Sampling Equipment Type Model Airchek 2000 Model 210 2002 Issued to SKC Inc 863 Valleyview Rd Eighty Four PA 15330 Report Reference E62011 Issued 01 April 1999 This product has been investigated by Underwriters Laboratories Inc in accordance with the following Standard s for Safety indicated on this Certificate UL 913 CSA C22 2 No 157 92 The product marking shall include the following information Class I Division 1 Groups A B C and D Class II Division 1 Groups F and G Class III When used with SKC battery pack Part No
4. 2000 Run Time in Hours with NiCad Battery Following are typical run times achieved when using a fully charged Nickel Cadmium NiCad battery pack Data is sorted by type of sample media All run times are listed in hours Results obtained using a new pump and new fully charged battery Pump performance may vary Mixed Cellulose MCE filter 0 8 um pore size Filter Diameter Flow Rate L min 37 mm 25 mm 2 0 24 2 15 2 2 5 20 4 12 4 3 0 17 7 Polyvinyl Chloride PVC filter 5 0 um pore size Filter Diameter Flow Rate L min 37 mm 25 mm 2 0 28 2 21 8 25 27 0 22 0 3 0 22 6 18 2 Filter back pressure exceeded pump capability during testing Increases in back pressure during sampling due to buildup of sample on the filter can decrease battery life Setup Turning the Pump On Off e Press firmly to turn the power on e Press A V to run the pump or to place a running pump in HOLD mode e Auto OFF turns the pump off after five minutes in HOLD mode Keypad Basics The AirChek 2000 Pump operates by pressing various button sequences on the keypad located on the front of the pump housing Scrolls through run time data and Setup options A Increases values such as flow rate v Decreases values such as flow rate AV When pressed simultaneously displayed item is selected or entered AV Security code that must be pressed in sequence after mode change all within 10 sec
5. 4 SErvicePolley usura sense nern tei ear er en a cons ana ls 14 Accessories EA T rr 15 UL Certificate onnnnnnnnnnnninnanianiaiicr rr 17 Warranty E T a E 18 D Indicates a warning or caution For AirChek 2000 operating instructions in Spanish and French visit www skcinc com Notice This operating instruction may not address all safety concerns if any associated with this product and its use The user is responsible for determining and following the appropriate safety and health practices and regulatory limitations if any before using the product The information contained in this document should not be construed as legal advice opinion or as a final authority on legal or regulatory procedures AirChek 2000 Quick Guide Operation Star Button Scrolls through run time data display options and sampling parameters during pump setup Up and Down Arrow Buttons AV Increase or decrease sampling parameters and toggle between display choices in setup Button Sequence V press buttons individually Security Code A Y A F press simultaneously when bracketed Must be pressed within 10 seconds of A V security code always press in previous command sequence Pump Activation Mode Change Press any button Press A Y to toggle between Run and Hold Pump Setup Options Options for Flow Rate To enter flow options pump must be in Hold Press MW to Run pump and press A V all within 10 seconds e Change a
6. AirChek 04 Operating Instructions Condensed Version For more detailed instructions see User Manual SKC Inc 863 Valley View Road Eighty Four PA 15330 USA Form 37740 Rev 0611 Table of Contents Turning the Pump On Off Key PadIBasSiCs coartada O a AA Ae eee Entering Navigating the User Interface iisi e e aa 4 Resetting Run Time Data 2 Scrolling Through Run Time Data cios rasca 5 Checking Battery Conditions 15 cexteencce tect ernennen 5 Setting Pump Flow Rate 9 Setting a Samplimg TIMESI ueno aria rar nn 6 Deleting a Sampling Time Briana io 7 Setting a Delayed Start GChanging the DataiDispl icon O ee 7 Calibration Verifying Flow Rate Using a Primary Standard Calibrator Calibrating Using CalGnek visccscicicccse cetscateusenscaisescdivcdictseaiecstassescrsisedssscecdscsasisceeetienicnde Sampling E A A A E A E OERE 9 Sampling 1000 103250 MIMIM iiini aiii 9 Oe vis ot csccavcsdvennartanvateanvassarcacvsncstnstcasbsdsaisitcastiacentancuatiersstestasttaceaucaisas ccsssacshaasaatss 9 Programming cnica 10 Battery Operation nunca 11 Battery Condition Charging the Battery Pack Replacing the Battery Pack NiCad Battery Notes 13 Technical Note Battery Pack Life 13 Continuous Operation Using Battery Eliminator 00 eee cece eee eeeeee 13 SErViC nannenneanannannnannannannannannannannannnnnannannannannannannannannannannannaannannannannannannannannannannannannannannnnnn 1
7. D mode and enter A Y all within 10 seconds You are in Level Two of the User Interface 2 Repeatedly press until LF appears on the display 3 Press A V and then press until ENT appears 4 Press AW The accumulated data is cleared and the pump is now in HOLD mode CLR does not clear previously set sampling time 31 See Deleting a Sampling Time on p 7 Scrolling Through Run Time Data Repeatedly press to view flow rate sample volume temperature time of day atmospheric pressure and run time Checking Battery Condition See page 12 oo Pump Flow Rate With the pump in HOLD mode press A V to run the pump and enter AV all within 10 seconds You are in Level One of the User Interface 2 The flow rate on the LCD will flash Press A to increase flow rate Press Y to decrease flow rate 3 Once the desired flow rate is displayed press repeatedly until EN appears on the display 4 Press AV to save the flow rate 5 Press A V again to place the pump in HOLD mode Setup Setting Sampling Time 5 Program the AirChek 2000 from the keypad or a PC to run STEL TWA or any other run time from 1 to 999 minutes To program a sampling time using the pump keypad 1 With the pump running press A F to place the pump in HOLD mode and enter A V all within 10 seconds You are in Level Two of the User Interface 2 Repeatedly press until 5 and a flashing 00 appear on the display 3 Set
8. User Manual for instructions Changing the Data Display The data display has been factory set for Celsius temperature units millimeters of mercury pressure units and 12 hr clock These units can be changed See User Manual for instructions Calibration Verifying Flow Rate Using a Primary Standard Calibrator 1 Connect the pump inlet to a calibrator with representative sample medium in line To ensure sample integrity tubing fits tightly onto the pump inlet filter cover Use care when removing tubing to prevent cracking or breakage of the inlet filter cover With the pump in HOLD mode press AV to run the pump and enter A V all within 10 seconds You are in Level One of the User Interface The flow rate and SET icon will display and flash Set the flow on the pump by pressing A to increase it or Y to decrease it to the desired flow rate Press A flashing All and 0 appear Ifthe calibrator reads a higher flow rate than the pump was set for press V until they are in agreement within 10 ml If the calibrator reads a lower flow rate press A until they agree within 10 ml When pressing A or V the pump display will indicate the adjustment or correction made in ml min 6 Press until ENT appears 7 Press AW Reset run time data see p 5 Note If a delayed start or DataTrac 2000 schedule has been programmed into the pump it may remain in pump memory PROL will display in the uppe
9. alibration to desired flow Icon displays at full mid and low charge Operating 32 to 113 F 0 to 45 C Charging 32 to 113 F 0 to 45 C Storage 4 to 113F 20 to 45 C D Protect sample pump from weather when in use outdoors Altitude Run Time Timer Display Range Time Display Flow Fault Do not use pump beyond 7500 ft With battery pack run time is 10 hours for 2000 ml min and up to 30 inches back pressure Dependent on sample media used See Table 1 1 to 9999 minutes 6 8 days If the run time exceeds 6 8 days the timer display rolls over to 1 Times greater than 9999 minutes are only displayed on a PC using DataTrac 2000 Software Time of day in hours and minutes 12 or 24 hour clock with AM and PM indicators If flow drops by more than 5 pump stops and holds historical data After 5 minutes in fault auto restart is attempted every 5 minutes up to 10 times 2 Performance Profile Battery Pack Removable battery pack with rechargeable NiCad battery 4 8 V 2 0 Ah capacity Size 5 6 x 3 x 2 3 14 2 x 7 6 x 5 8 cm Weight 22 oz 624 gm RFI EMI Shielding RFI EMI shielded case CE approved Models 210 2002 and 210 2002Ex Intrinsic Safety UL and cUL Listed Model 210 2002 CENELEC approved IS to EEx ia IIB T4 Model 210 2002Ex Use only SKC approved parts to ensure reliable performance and intrinsic safety and to maintain the SKC warranty Table 1 AirChek
10. arranty The buyer may be required to present proof of purchase in the form of a paid receipt for the instrument 4 This warranty covers the instrument purchased and each of its component parts 5 In the event of a defect malfunction or other failure of the instrument not caused by any misuse or damage to the instrument while in possession of the buyer SKC Inc will remedy the failure or defect without charge to the buyer The remedy will consist of service or replacement of the instrument SKC Inc may elect refund of the purchase price if unable to provide replacement and repair is not commercially practicable 6 a To obtain performance of any obligation under this warranty the buyer shall return the instrument freight prepaid to SKC Inc at the following address SKC Inc National Service Center 863 Valley View Road Eighty Four PA 15330 USA b To obtain return authorization information or for further information on the warranty performance you may telephone 724 941 9701 at the above address See Service Policy section in operating manual if applicable 7 This warranty shall be construed under the laws of the Commonwealth of Pennsylvania which shall be deemed to be the situs of the contract for purchase of SKC Inc instruments 8 No other warranty is given by SKC Inc in conjunction with this sale Form 3755 Rev 0207 18
11. ife from an NiMH battery when compared to NiCad cycles life Continuous Operation Using Battery Eliminator Continuous pump operation is possible in non hazardous environments using the pump with a battery eliminator plugged into a wall outlet See Accessories on p 16 See the AirChek 2000 User Manual or contact SKC Technical Support at 724 941 9701 for details 13 Service Service Policy To return products to SKC for servicing 1 Call 800 752 8472 724 941 9701 for international customers to obtain a Return Materials Authorization RMA number and Product Decontamination Form 2 Carefully package the product Mark the RMA number on any correspondence relating to the return and on the outside of the package 3 Ship to SKC freight prepaid to the following address SKC Inc National Service Center 863 Valley View Road Eighty Four PA 15330 Package product carefully to prevent damage during transit Include a contact name phone number shipping address RMA number and a brief description of the problem For nonwarranty repairs a purchase order number and billing address are also required The Service Department will contact nonwarranty customers with an estimate before proceeding with repairs Note SKC Inc will accept for repair any SKC product that is not contaminated with hazardous materials Products determined to be contaminated will be returned unserviced Intrinsic safety and other approvals are void if SKC pu
12. ments Battery Ensure that the computer Charging interface port is covered Jack before and during charging 11 Battery Operation Replacing the Battery Pack To enhance battery life SKC ships battery packs uncharged and separate from the pump Once installed completely charge battery pack before operating pump Battery Replacement Notes To retain pump history ensure the pump has been allowed to go to sleep after the last run Pump history will be lost if the battery pack or AC power battery eliminator is removed while the pump is running SKC recommends that data be downloaded to a PC using DataTrac 2000 Software prior to removal of the battery or power The first 8 program steps will be retained in memory Programs should be reloaded using DataTrac 2000 Software after replacing the battery pack 1 Release the battery pack by removing the two security screws located on the bottom of the battery pack Pull the battery pack away from the pump body 2 Carefully align the battery jack on the replacement battery pack with the battery terminal on the bottom of the pump base plate and push the battery pack into place 3 Replace and tighten the two security screws removed in step 1 Use of a repaired or rebuilt battery pack voids the SKC warranty and the UL Intrinsic Safety Listing Do not charge or operate the pump with charger in hazardous atmospheres Use only an SKC approved charger a
13. mps are not repaired by SKC or authorized SKC repair centers Use only SKC approved parts to ensure reliable performance and intrinsic safety and to maintain the SKC warranty 14 Accessories Description CalChek Communicator Adapter DC Lite Calibrator 10 ml min to 12 L min flow range includes charger and tubing Chargers PowerFlex Charging System for SKC Personal Pumps 5 station 100 240 V Single 120 V Single 100 240 V Battery Eliminator for continuous run using AC line operation Protective Pouches Black Red for high visibility Black sound reducing DataTrac 2000 Software Package Includes software adapter and cable Low Flow Adapter Kit 5 500 ml min Includes Constant Pressure Controller CPC Adjustable Low Flow Tube Holder and Type A Protective Cover Constant Pressure Controller CPC for sampling in the 5 500 ml min flow range Use with Adjustable Low Flow Holder below Adjustable Low Flow Tube Holders for Constant Pressure Low Flow 5 to 500 ml min Applications requires separate tube cover listed below Single Dual Tri Quad Sample Tube Protective Covers for adjustable flow tube holders listed above Type A tubes 6 mm OD x 70 mm L Type B tubes 8 mm OD x 110 mm L Type C tubes 10 mm OD x 150 mm L Type T tandem for color detector tubes up to 115 mm long and a trap tube 15 Cat No 210 501 717 01 223 1000 223 2000 223 2000B 223 320 224 88 224 96A 224 96C 877
14. nd battery pack designed for the AirChek 2000 Sample Pump to ensure reliable performance and intrinsic safety and to maintain the SKC warranty 12 Battery Operation NiCad Battery Notes and Recommended Maintenance e NiCad batteries self discharge at an average rate of 18 to 20 per month at room temperature The rate of self discharge increases with temperature Ultimately self discharge results in an increased need for charging Recommended Maintenance e Cycle battery use on a monthly basis quarterly for pumps not used on a regular basis e Exercise your battery pack Use an SKC battery conditioning system MasterCharger or PowerFlex that automatically exercises batteries Perform this procedure before storage and monthly quarterly for pumps not used on a regular basis Store and charge batteries in the recommended temperature range e Discharge and recharge battery packs fully before use and storage e Stated battery capacity will not be reached right out of the box but only after the battery is exercised Often new NiCad battery packs require 5 to 7 cycles to reach the stated capacity Recommended Maintenance Exercise your battery Use an SKC battery conditioning system MasterCharger or PowerFlex that automatically exercises batteries Perform this procedure before storage and monthly quarterly for pumps not used on a regular basis e Battery packs are typically shipped less than fully charged
15. nd calibrate flow rate Flow rate and SET flash Press A or Y to change flow rate Press when finished ADJ displays and flashes Press A or Y to adjust the flow until pump and calibrator agree When finished press until EN displays Press A F to save new setting Options for Programming Display To enter programming display options pump must be in Run Press AW to Hold pump and press A amp W all within 10 seconds e Clear accumulated data Press until CLR displays and then press AW Press until EN displays and then press AV e Change temperature scale F C Press until temperature displays Press A or Y to switch units Press until EN displays and then press A F to save new setting e Change atmospheric pressure scale mm Hg ins Hg millibars Press until pressure displays Press A or Y to switch units Press until ENI displays and then press A V to save new setting e Change time scale 12 Hr 24 Hr Press until 12 Hr or 24 Hr displays Press A or Y to switch units Press until EN displays and then press A F to save new setting e Change time of day Press until time displays Press A or W to change flashing hour Press to move to minutes and press A or W to change Press until ENI displays and then press A F to save new setting e Change sampling time Press until 5 00 displays Press A or Y to change flashing digits Press until EN displays and then press A F to save new set
16. onds to enter the User Interface If the 10 second time limit is exceeded the pump will remain in its current mode Perform steps again to enter the User Interface Entering and Navigating the User Interface The AirChek 2000 User Interface features two levels Level One allows the user to change flow rate adjust flow rate to a primary standard or calibrate the pump using the CalChek feature Level Two permits the user to change display options i e temperature F or C atmospheric pressure ins m or mm seta sampling time set 12 or 24 hour clock or delayed start set real time clock or clear accumulated run time data Entering e With pump in HOLD press A V to place pump in RUN and enter AV all within 10 seconds You are in Level One of the User Interface e With pump in RUN press A F to place pump in HOLD and enter AV all within 10 seconds You are in Level Two of the User Interface Navigating Press to scroll through parameters Once LCD shows EN parameters will repeat until the user exits the User Interface Setup Exiting Press until ENI appears on the LCD Press A Y Any changes made to parameters will be saved and the pump will continue in its current mode Level Two of the User Interface offers the option of exiting without saving changes to parameters Press until ESC appears on the LCD Press AV Resetting Run Time Data 1 With the pump running press A V to place the pump in HOL
17. r left corner of the pump display To delete this program see User Manual Calibrating the AirChek 2000 Pump Using the CalChek Automatic Calibration Feature The CalChek automatic calibration feature is available when calibrating an AirChek 2000 pump version 2 59 or higher with DC Lite Calibrator model 717 01 10 ml min to 12 L min A CalChek Communicator adapter is required for communication between the pump and the calibrator Optional DataTrac 2000 Software version 3 59 or higher can be used to expand the documentation capabilities of this system The CalChek feature provides two calibration options single point calibration allows you to set and verify a flow rate at a single point before and after sampling full multiple point calibration calibrates the flow to a primary standard at multiple flow rates Both bring the flow to within 5 See User Manual for instructions If using a pump version below 2 59 a pump upgrade is required to use the CalChek feature LO For low flow calibration and sampling instructions see the User Manual Sampling Sampling 1000 to 3250 ml min 1 Following calibration replace representative sampling medium with a new unexposed medium D Protect sample pump from weather when in use outdoors To begin sampling press A W to RUN the pump Record the start time Sample for the time specified in the method used To stop sampling press A V to HOLD the pump Record the stop time When
18. ration accident or use in application for which the instrument was neither designed nor approved by SKC Inc This warranty does not cover the buyer s failure to provide for normal maintenance or improper selection or misapplication This warranty shall further be void if changes or adjustments to the instrument are made by other than an employee of the seller or if the operating instructions furnished at the time of installation are not complied with 2 SKC Inc hereby disclaims all warranties either expressed or implied including any implied warranties of merchantability or fitness for a particular purpose and neither assumes nor authorizes any other person to assume for it any liability in connection with the sale of these instruments No description of the goods being sold has been made a part of the basis of the bargain or has created or amounted to an express warranty that the goods will conform to any such description Buyer shall not be entitled to recover from SKC Inc any consequential damages damages to property damages for loss of use loss of time loss of profits loss of income or other incidental damages Nor shall buyer be entitled to recover from SKC Inc any consequential damages resulting from defect of the instrument including but not limited to any recovery under section 402A of the Restatement Second of Torts 3 This warranty extends only to the original purchaser of the warranted instrument during the term of the w
19. sampling is complete pump data is retained in memory for recovery Data can be viewed on the LCD by using the button to scroll through it oe ON and the impinger to protect the pump from harmful liquids or vapors Failure to use the impinger trap voids the pump warranty O When using impingers place an in line trap between the pump Note If a delayed start or DataTrac 2000 schedule has been programmed into the pump it may remain in pump memory PROL will display in the upper left corner of the pump display To delete this program see the User Manual To ensure sample integrity tubing fits tightly onto the pump inlet filter cover Use care when removing tubing to prevent cracking or breakage of the inlet filter cover For low flow sampling 5 to 500 ml min see the User Manual Flow Fault gt gt If flow drops by more than 5 the pump goes into HOLD mode and retains historical data The flow fault icon flashes during flow fault The pump will restart in five minutes and try to continue sampling If the flow remains restricted the pump returns to flow fault Auto restart is attempted every five minutes up to 10 times Flow fault time is not added to the displayed run time or cumulative volume display Programming MA See User Manual for programming the pump using a PC 10 Battery Operation Battery Condition Three bars indicate a full charge normally appears after charging approximately 75 to
20. the sampling time by pressing A to increase it or Y to decrease it to the desired time in minutes 4 Press repeatedly until ENT appears 5 Press AW to save the sampling time and exit the User Interface A flashing S will appear with the selected sampling time on the LCD 6 Press AW to begin sampling The time display will count down in minutes the pump will go into HOLD mode and the total sampling time will display when sampling is complete 7 To delete a set sampling time enter Level Two of the User Interface scroll to 51 and press Y until time appears as Il Exit the User Interface by scrolling to EN and pressing A Y Note A time still appears on the display after canceling a sample time This is total run time since the data was last cleared Note If a sampling time 5 has been programmed into the pump a DataTrac 2000 program cannot be entered without deleting a sampling time first see page 7 Likewise if a DataTrac 2000 program resides in pump memory the sampling time 5 function cannot be selected until the DataTrac program is deleted see User Manual Setup Deleting a Sampling Time 5 To delete the 5 period enter Level Two of the User Interface and press the button to scroll to 5 Press W until 00 displays Press the button until ENI appears Press A Y Setting a Delayed Start The Delayed Start feature is available in AirChek 2000 pumps version 2 59 or higher See
21. ting Description Your new SKC AirChek 2000 Pump is an advanced programmable sample pump that combines lightweight compact design computer compatible circuitry and an internal flow sensor The result of extensive research and development the AirChek 2000 Pump exemplifies SKC s commitment to quality and innova tion in air sampling equipment Batter Inlet Port with 4 Protective Filter Status Icon Flashing LED Run Indicator Liquid Crystal Display LCD Keypad with Operating Buttons Battery Pack Not shown Beltclip back Battery Charging Jack back Computer Interface Port back AirChek 2000 Air Sampling Pump Performance Profile Flow Range Compensation Range 1000 to 3250 ml min 5 to 500 ml min requires optional low flow adapter kit 3000 ml min at 15 inches water back pressure 2500 ml min at 20 inches water back pressure 2000 ml min at 30 inches water back pressure 1000 ml min at 30 inches water back pressure Typical Back Pressure of Sampling Media inches water Flow Rate L min Filter Pore Size um 25 mm MCE 0 8 37 mm MCE 0 8 37 mm PVC 5 0 1 1 2 2 2 5 Compare the information in this table to pump compensation range to determine appropriate applications Accuracies Battery Charge Level Indicator Temperature Range Timing 1 min month 25 C Atmospheric Pressure 0 3 inches Hg Flow Rate 3 of set point after c
22. to meet testing and shipping requirements Recommended Maintenance Discharge and recharge battery packs fully before use and storage e A NiCad battery should not sit on a charger for long periods of time Recommended Maintenance Remove battery pack from its charger within 24 to 48 hours after charging is complete For further information on Maintaining NiCad Battery Packs request SKC Publication 1363 available for download at www skcinc com Technical Note Battery Pack Life e Battery manufacturers typically indicate expected battery life as the number of usable cycles within an approximate number of years e g 300 charge discharge cycles or 3 years The number of usable cycles years of useful life for a battery pack is determined by the number of cycles amount of time it takes for the battery to decline to 80 of its initial capacity when used under ideal conditions The battery should be replaced at this point e Battery life ratings are nominal 5 and are generally based on ideal conditions of use such as those in which they are tested for testing criteria see IEC 61436 and IEC 61951 test methods at www iec ch e Individual conditions of use charging procedures and applications high versus low current drain intermittent versus steady current drain may affect battery life e While nickel metal hydride NiMH batteries provide longer run times than NiCad batteries on a single charge the user can expect less cycles l
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