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NIC-TD-0000025-00

4. Measurement

- 11 -

4.

Measurement

4.1.

Flow chart of measurement

＜

EMP-2

＞

POWER ON

STAND-BY screen

Setting confirmation

before measurement

Start of

measurement

Zero adjustment

Mercury

concentration

measurement

End

Loop

READY screen

MENU screen

10 minutes warm-up
To stabilize the optical system

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Summary of Contents for Mercury/EMP-2

Page 1: ...Mercury Survey Meter for Work Environments Mercury EMP 2 for WLE Instruction Manual NIC TD 0000025 00 Nippon Instruments Corporation...

Page 2: ...h apparatus 9 4 Measurement 11 4 1 Flow chart of measurement 11 4 2 Preparation before power up 13 4 2 1 Checking the battery charge status 13 4 2 2 Checking the SD card 13 4 2 3 Checking the probe co...

Page 3: ...ta Check 43 5 4 Maintenance 45 5 5 EMP 2 WLE 47 6 Measured data 48 6 1 Instantaneous value data 48 6 2 Average value data 49 7 Maintenance 50 7 1 Inspection items 50 7 1 1 Daily inspections 50 7 1 2 Y...

Page 4: ...e this could result in an electric shock injury or failure of the equipment Do not use the equipment if thunder can be heard outdoors or lightning could strike or electric shock occur Customers are ad...

Page 5: ...act our agency or service representative as soon as possible 1 1 3 Precautions regarding the main body of the equipment Ensure to completely remove the power supply before carrying out any maintenance...

Page 6: ...protect the parts by affixing insulation tape to them or by other means or fire or burning could result Do not modify or disassemble any of the batteries Failure to observe this could result in fire b...

Page 7: ...taining or cleaning the battery charger Wipe away any dust around the power plug and jack or it could result in fire Ensure the battery is charged somewhere stable Placing the battery charger on a wob...

Page 8: ...measuring the concentration of mercury in real time in pursuing the source of any the mercury pollution Moreover the equipment was designed to fit on the operator s shoulder or around their waist and...

Page 9: ...ured in the absorption cell At this point in time the baseline of the mercury concentration is determined In a mercury concentration measurement the sample gas does not pass through the zero filter an...

Page 10: ...stops measurements EMP 2 WLE injection and replacement WLE solution LCD with touch panel Used to confirm measured concentrations and change and set the measurement conditions SD card and USB slot cov...

Page 11: ...2 Principles NIC TD 0000025 00 8 2 2 2 Bottom of main unit No Name Function Zero filter Mercury adsorbing filter Rechargeable battery Battery Belt...

Page 12: ...mode 0 001 mg m3 1 g m3 Static mode 0 0001 mg m3 0 1 g m3 One Minute mode can not be used when connecting to WLE Precision CV 10 0 0004 mg m3 0 4 g m3 Measurement time length Normal mode Static mode M...

Page 13: ...ery Supported continuous measurement time About 5 hours 25 C Charging time About 8 hours for empty battery Power to charger 100 240 V AC 50 60Hz Dimensions weight 265W x 110D x 128H 1 8kg 1 Can be use...

Page 14: ...Flow chart of measurement EMP 2 POWER ON STAND BY screen Setting confirmation before measurement Start of measurement Zero adjustment Mercury concentration measurement End Loop READY screen MENU scree...

Page 15: ...acement cycle 5 2 9 Setting WLE solution replacement time 5 2 10 EMP 2 WLE P O W E R O N STAND BY screen READY screen Setting confirmation before measurement Start of measurement Zero adjustment Mercu...

Page 16: ...xposed to the sun close to a heater or anywhere damp Failure to follow the above could damage it The battery should also not be stored at temperatures below 0 C or above 40 C At low temperatures the p...

Page 17: ...ng scattered and in the worst case damage to the equipment Select the appropriate probe in accordance with the measurement place before starting a measurement 4 2 4 Confirming the equipment usage cond...

Page 18: ...ode Rest the equipment on a stable location parallel to the ground when carrying out measurements Example of Static mode use EMP 2 WLE Ensure to carry out measurements with the equipments horizontally...

Page 19: ...he main unit verify that an SD card has been inserted into the main unit and turn on the Power switch Insert an SD card First verify using a PC that the SD card has sufficient free space Ensure that t...

Page 20: ...he STAND BY display screen A countdown occurs from ten minutes for the warm up Stabilize the optical system Locate the equipment in a place exposed to as little vibration as possible Warm up automatic...

Page 21: ...ies display The screen display will switch between them if any part of the screen other than the buttons is pressed To make a setting or confirmation press the MENU button to shift to the MENU screen...

Page 22: ...4 Measurement 19 Digital display screen The maximum value average value and instantaneous value are displayed on this screen The screen is useful if you wish to confirm a measured value during a meas...

Page 23: ...er the indicated value of the mercury concentration has been affected by interfering components The button normally displays as but when checked as Refer to 4 3 5 Measurement screen Measurement mode C...

Page 24: ...r that exceeds the alarm generating level is displayed in red If the alarm generating level is not set alarm generating level set to 0 the level meter does not display any red Alarm generating level s...

Page 25: ...g level is not set Alarm generating level If the alarm generating level is not set Full scale value If the alarm generating level is set a red line indicating the level is depicted on the time series...

Page 26: ...following values have been set 1 Full scale value The full scale of the display screen if appropriate 2 Alarm generating level The alarm generating level if necessary If necessary whether or not the a...

Page 27: ...ing time for the EMP 2 during WLE solution replacement Refer to 5 2 10 WLE solution replacement time If you use the default setting confirmation is not required If you change the setting time ensure w...

Page 28: ...omatically changed according to the mercury concentration measured in the preceding cycle 0 100 mg m3 10 seconds 0 100 mg m3 to 0 300 mg m3 15 seconds 0 300 mg m3 to 0 600 mg m3 20 seconds 0 600 mg m3...

Page 29: ...le 1 cycle Normal mode One Minute mode Static mode 1 cycle 1 cycle Mercury measurement Mercury measurement Terminates if the STOP button or Start Stop button is pressed Zero adjustment Zero adjustment...

Page 30: ...dication value of the mercury concentration may be of an abnormal value due to their influence If it is difficult to judge whether the concentration of the interfering substances has changed use the i...

Page 31: ...s active touch operation is disabled Before carrying out any touch operations ensure that the screen lock is not in force This icon gets displayed while the screen is locked To release the lock press...

Page 32: ...minates one minute after the start of measurement Suspension of measurement EMP 2 If you wish to suspend a measurement press the Start Stop button or the STOP button on the LCD screen EMP 2 WLE If you...

Page 33: ...consideration of that the EMP 2 supports customers carrying out a simplified calibration if needed A simplified calibration involves measuring a standard mercury gas whose concentration is known and r...

Page 34: ...hift to the simplified calibration 3 A password needs to be entered to prevent any mistaken calibrations being made The password is the 4 digit numeric value of 0219 Note that the password cannot be c...

Page 35: ...lete The screen below will then display and a new F value is saved When the F value is outside the range the calibration will fail and the previous F value is saved CAUTION If a calibration does fail...

Page 36: ...NIC TD 0000025 00 5 MENU screen 33 9 The screen returns to the READY screen The F value can be verified using the Maintenance screen Refer to 5 4 Maintenance...

Page 37: ...the cock 3 Set the timer of the PS 4 to 3 minutes and then start it Verify that the flow rate is 1 L min 4 Remove a sample of gas with a syringe from the standard gas box Insert the syringe into the s...

Page 38: ...in the syringe Amount of Air injected into the Tedlar bag Use of the gas density table with a gas box temperature of 25 C for example means that 19 9 ng mL of mercury gas has been sampled The amount o...

Page 39: ...g Level button Used to set the alarm generating level of the display screen Total Hg button Used to clear the amount of mercury adhering to the zero filter Date Time button Used to set the current tim...

Page 40: ...the alarm generating level Verify the Warning Level value on the Setting 1 3 screen Use the Warning Level button to change the setting Setting an alarm generating level will result in an alarm being...

Page 41: ...lure to follow the above could result in the zero filter replacement timing becoming unclear thus resulting in incorrect measurement values being obtained Concerning the timing of replacement of the z...

Page 42: ...display screen There are two units available for use mg m3 and g m3 Verify the unit of concentration on the Setting 2 3 screen Use the Unit button to change the concentration unit 5 2 6 Measurement mo...

Page 43: ...the Setting 2 3 screen Auto adjustment The Sig voltage and Ref voltage can be adjusted to 1 5V automatically Pushing the 1 5V button completes adjustment a buzzer sounds Manual adjustment The Sig volt...

Page 44: ...LAMP BROKEN error occurs during measurement This error may occur by deterioration of the lamp or contamination in equipment Please contact our service For the temporary use turn off the power once pl...

Page 45: ...Normalization Temp button to change the setting 5 2 9 WLE solution replacement cycle Setting WLE solution replacement cycle It is set to 1 hour before shipping Use the WLE Cycle button to change the s...

Page 46: ...be confirmed using the SD card Refer to 6 Measured data The latest 10 lots of data are displayed on the Data Check screen The latest data is displayed from right to left order on a graph and the measu...

Page 47: ...evel was not set If an alarm generating level was set No Name Function Measurement No Measurement No of each lot of data Average value Average value of mercury concentration Full scale value Full scal...

Page 48: ...dition of the hardware to be monitored Use the function for maintenance or if a problem occurs To call up the Maintenance screen select MENU Maintenance on the READY screen There are two Maintenance s...

Page 49: ...The buzzer function can be verified by turning this button ON or OFF VALVE The valve can be opened and closed by turning this button ON or OFF PUMP The operation of the pump can be verified by turning...

Page 50: ...to be replaced When they do need to be replaced a warning display will also appear For more details refer to 7 2 Errors and warnings 5 5 EMP 2 WLE Setting whether connect WLE or not Select MENU EMP 2...

Page 51: ...07 45 0 0011 2010 12 15 15 07 46 0 0011 2010 12 15 15 07 47 0 0011 2010 12 15 15 07 48 0 0011 2010 12 15 15 07 49 0 0011 2010 12 15 15 07 50 0 0011 2010 12 15 15 07 51 0 0011 2010 12 15 15 07 52 0 00...

Page 52: ...nt end time maximum value during measurement average value during measurement and presence or absence of scale over 1 000 g m3 or more data gets recorded The unit of mercury concentration is g m3 fixe...

Page 53: ...Item Criteria Remedy in case of failure Zero filter The amount of mercury adsorbed must not exceed 80 g 80000 ng A warning is displayed if the allowable amount is exceeded Replace the zero filter as s...

Page 54: ...hange ZERO Filter Displays when the zero filter amasses mercury beyond the allowable limit Suspend any measurement and replace the zero filter as soon as possible Refer to 7 2 3 Exchange ZERO Filter B...

Page 55: ...of error of the measured value Contact one of our service representatives as soon as possible Refer to 10 Contact 7 2 2 Exchange Pump Displays when the pump ON time exceeds 2 000 hours Switch off the...

Page 56: ...READY screen Open the cover at the bottom of the equipment remove the zero filter and then replace it with a new one Refer to 7 3 1 Method of changing zero filter Please ensure to send the used zero...

Page 57: ...warning After pressing the OK button on the display screen return to the READY screen If a measurement is in progress terminate immediately it to record the data Warning screen READY screen After retu...

Page 58: ...internal parts of the equipment may have been damaged Contact one of our service representatives Refer to 10 Contact For temporarily use please re adjustment of the voltage Refer to 5 2 7 Sig Ref Volt...

Page 59: ...1 Open the cover at the bottom of the main unit 2 Remove the zero filter 3 Insert a new zero filter The zero filter needs to be firmly inserted as an imperfect insertion could result in a leak thus le...

Page 60: ...0074 Battery charger W121 0075 Standard Plastic Probe W121 0600 SD card W121 41001C Tubing W121 0078 Dust filter W121 0076 Luer lock connector W121 0077 9 Optional accessories Extended length probe W1...

Page 61: ...enance parts Technical Center 14 8 Akaoji cho Takatsuki shi Osaka 569 1146 Japan Phone 81 72 693 6820 Fax 81 72 694 0663 For other inquiries Osaka Sales Office 14 8 Akaoji cho Takatsuki shi Osaka 569...

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