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ENERGY SUPPORT CORPORATION ISS-101 Instruction Manual

Dust densitometer
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Manual No.3011E R5
INSTRUCTION MANUAL
FOR
DUST DENSITOMETER
MODEL ISS-101
KV-610014-J

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Summary of Contents for ENERGY SUPPORT CORPORATION ISS-101

  • Page 1 Manual No.3011E R5 INSTRUCTION MANUAL DUST DENSITOMETER MODEL ISS-101 KV-610014-J...
  • Page 3 This instruction manual describes how to install, operate, and inspect the Dust densitometer model ISS-101. Before starting installation of this analyzer, thoroughly read this instruction manual to fully understand its contents and operate the analyzer in correct...
  • Page 4 IMPORTANT 1.2 Guarantee of product The guarantee period of this product is stated in the final document. If the delivery drawings are not provided, the guarantee period is determined as one year after delivery. (1) Conditions The product shall be stored and installed properly until the trial-run adjustment is started.
  • Page 5 (3) Remarks ① It is difficult to remove the slug dust by purging. It is absolutely necessary to perform the maintenance and replacement work with the probe removed. ② This instrument is a Dust densitometer that utilizes the light scattering method. When measuring the dust actually, a difference between the indication value on the Dust densitometer and weight concentration value of the actual dust may be produced by influences of the color, shape, and grain size of the dust.
  • Page 6 Table of contents 1. General description -------------------------------------------------------------------------------------------------------- 1 1.1 Introduction ------------------------------------------------------------------------------------------------------------- 1 1.2 Guarantee of product ------------------------------------------------------------------------------------------------ 2 1.3 Table of contents ------------------------------------------------------------------------------------------------------ 4 1.4 Safety precautions ---------------------------------------------------------------------------------------------------- 6 1.5 Cautions for operation ----------------------------------------------------------------------------------------------- 7 1.6 Overview of Dust densitometer ------------------------------------------------------------------------------------ 8 1.7 Part names and functions ------------------------------------------------------------------------------------------- 9 2.
  • Page 7 5. Maintenance --------------------------------------------------------------------------------------------------------------- 54 5.1 Cautions for maintenance ---------------------------------------------------------------------------------------- 54 5.2 Maintenance and inspection items ------------------------------------------------------------------------------ 55 5.3 Maintenance and inspection -------------------------------------------------------------------------------------- 56 5.4 Error display ----------------------------------------------------------------------------------------------------------- 66 5.5 Troubleshooting ------------------------------------------------------------------------------------------------------ 68 5.6 Replacement parts --------------------------------------------------------------------------------------------------- 75 5.7 Replacement of parts ----------------------------------------------------------------------------------------------- 77 5.8 About transmitter ----------------------------------------------------------------------------------------------------- 78 6.
  • Page 8 IMPORTANT 1.4 Safety precautions WARNING Before starting the wiring work to the terminal block, always shut-down the power. Failure to do so may cause an electrical shock. Additionally, before starting the maintenance work of electrical parts, always shut-down the power. To prevent an electrical shock accident, connect the grounding cable to the grounding terminal firmly.
  • Page 9 IMPORTANT 1.5 Cautions for operation CAUTION The following cautions must be strictly observed to prevent corrosion and clogging of dust caused by dew condensation. Always operate the Dust densitometer correctly while carefully referring to the following operations. Close the suction and exhaust valves if the HEAT lamp on the controller does not flash or if the warm-up operation is not performed for 60 min.
  • Page 10 REFERENCE 1.6 Overview of Dust densitometer [Measuring principle] This Energy’s Dust densitometer is a light scattering type Dust densitometer that utilizes the correlation between the dust weight concentration and scattering intensity.  The light scattering intensity (I ) is expressed by the following formula. ...
  • Page 11 1.7 Part names and functions Outside view of Dust densitometer...
  • Page 12 Part names and functions of Dust densitometer Name Function Controller Processes the signals inside the Dust densitometer. Power switch ON/OFF switch for the power to the Dust densitometer HEAT LED Pilot lamp of the heater for the Dust densitometer. Lit during temperature rise and flashes during control. MEAS LED Lit during measurement.
  • Page 13 2. After unpacking 2.1 Checking of accessories...
  • Page 14 List of products and accessories Q’ty Name Part No. Remarks Dust densitometer model KV-610014-J With case (shelter) ISS-101 Suction nozzle KV-620212-L L = Specified length (mm) Exhaust nozzle KV-620212-L L = Specified length (mm) Span calibration rod KV-610402-A Optical system jig...
  • Page 15 CAUTION 2.2 Temporary storage of product This Dust densitometer must be stored under original packing conditions  in an indoor place (temperature: -5 – 50 C, humidity: 90%RH or less) until the installation work is started. Do not store the Dust densitometer in an outdoor place (exposed to the rain) or a place where high temperature or high humidity exists, or mechanical vibration exists.
  • Page 16 3.1 Installation conditions This section describes how to carry out the installation, piping, and wiring work of the Dust densitometer model ISS-101. If the installation place is selected incorrectly or the installation work is performed incorrectly, an unexpected trouble may occur later or the performance of the analyzer cannot be maintained, causing damage to the units.
  • Page 17 IMPORTANT 3.1 Installation conditions ① Selection of gas sampling position When selecting the gas sampling position, that is, Dust densitometer installation position, always take the place satisfying the following conditions into consideration. Place where the typical dust value can be measured. Place where the dust concentration does not vary rapidly.
  • Page 18 3.2 Installation Preparations ① Wind a seal tape on the screw parts (R 3/4 male-screw) of the suction and exhaust nozzles. ② Remove four shelter mounting screws from the Dust densitometer. Raise the shelter to remove it. Apply the burn prevention agent (mori-coat, etc.) to eight M16 bolts welded to the flange of the Dust densitometer.
  • Page 19 Procedures ① Screw the suction and exhaust nozzles into the flange. Make the opening of the suction nozzle faced toward the gas flow and the opening of the exhaust nozzle faced against the gas flow as shown in the following. a.
  • Page 20 ② Insert the M16 bolt of the Dust densitometer into the mounting seat (guide pipe), attach the M16 washer, spring washer, and hexagon nut in that order, and then tighten the nut. (At this time, check that the suction and exhaust valves are closed fully.) In the above assembly, always attach the flange packing (T1995-10K100RF3T).
  • Page 21 3.3 Piping and wiring Piping The air pipes are connected from the Dust densitometer to the purge unit. The piping ports are located on the bottom surfaces of both the Dust densitometer and purge unit. Wiring Wiring materials □：CVV 2sq×2C ○：CVV 2sq×2C (Signal line cables must be shielded.) ...
  • Page 22 Terminal pin assignments The following shows the terminal pin assignments of the Dust densitometer. Always carefully connect the wires to their specified pins. CAUTION The wiring above the TC, TH, contact output 5, U1, V1, and purge solenoid valve drive terminal has been fixed by the manufacturer. Never touch these wiring lines.
  • Page 23 Bundling of wiring cables  The wiring cables are inserted into the wiring ports (4- 34) at the lower portion of the Dust densitometer. Since the terminal blocks are located above the wiring ports, run the cables to these points. The wiring cables are bundled and secured to the cable support and oval wiring port of the terminal block inlet using tie-bands.
  • Page 24 3.4 Inspection after installation Make sure that the Dust densitometer has been installed and the heat retention work has been completed.  Make sure that the purge piping is 10/8. Check the insulation resistance between each of the U and V terminals, and the E terminal with the main power 100V AC turned OFF.
  • Page 25 4. Operation CAUTION CAUTIONS (1) Before attaching and detaching the cap to/from the span port, always wear heat-resistant gloves since the span port is hot. (2) If the cap is removed from the span port, the sample gas may spout out from the span port.
  • Page 26 4.1 Preparations for operation When the inspections after installation have been completed, follow the steps below to perform the preparations before operation. Make sure that both the suction and exhaust valves are closed. Operation of suction and exhaust valves IMPORTANT It is also accepted that only valve window on the right side of the shelter is opened (screws at four locations are removed).
  • Page 27 Detach the cap from the span port. IMPORTANT Attaching/detaching of cap to/from span port Insert the optical system jig into two holes in the span port cap. Turn the jig clockwise to tighten the span port cap while turn the jig counterclockwise to loosen it. CAUTION Always wear heat-resistant gloves since the span port cap is hot.
  • Page 28 4.2 Key operation The following describes the basic key operating procedures and the displays on the 7-segment LED and alphabetic indicator. The operations are described assuming that the upper portion shows the 7-segment LED and lower portion shows the alphabetic indicator. Turn ON the power switch to put the ‐‐‐‐‐...
  • Page 29 Monitor operation Press the MONI key while the normal display is shown to put the analyzer in the monitor operation. Normal display Press the MONI 0.05 Light receiving sensor key once. voltage (V) SENSOR H mg/m 150.0 Heater temperature  HEATER Sensor temperature 40.0...
  • Page 30 System data setting operation Press the CH key while the normal display is shown to put the analyzer in the setting operation. (Bold display shows that the indicator is flashing.) Normal display Press the CH key once. Channel No. flashes. CH000 Increase or decrease H mg/m...
  • Page 31 System data setting operation (Data ON-OFF switching operation) (Bold display shows that the indicator is flashing.) Normal display Press the CH key once. Channel No. flashes. CH000 Increase or decrease H mg/m the value at the flashing position using nnnnn the ▲...
  • Page 32 To switch between OFF and ON, press the ▲ or ▼ key to change to a desired position after the OFF/ON is flashing, and then press the ENT key to register it.
  • Page 33 IMPORTANT 4.3 List of functions Item Contents Setting CH No. One of three measuring ranges, Low, Medium, and High, can be Setting of desired set. The minimum range (Low) is 0-10. The maximum range CH121-CH127 (High) is 0 – 100 mg/m measuring range N.
  • Page 34 Item Contents Setting CH No. If the dust concentration upper limit value is set, the alarm is Dust concentration output. CH48, 49 upper limit alarm (The alarm is reset naturally. The alarm is output if the concentration value exceeds the upper limit for 5 sec. or longer.) Auto or manual purge can be performed by optional Purge function synchronization.

  • Page 35: Table Of Contents

    4.4.1 List of system data (user data) Initial CH No. Contents Data setting range Remarks value Non-dust concentration OFF/ON conversion display Displayed by ON-ENT, a dust concentration value Dust concentration O2 OFF/ON display change switch for conversion display the 7-segment LED. Dust concentration weight The data setting is valid OFF/ON...
  • Page 36 Initial CH No. Contents Data setting range Remarks value 0: Previous value is held. Output 1 hold signal selection 1: Set value is held. 0.0 – 100.0 Output 1 hold set value Output 1 O2 conversion output OFF/ON Output 1 weight conversion OFF/ON output Output 1 moving average...
  • Page 37 4.4.2 List of system data (manufacturer data) To change the setting, it is necessary to operate the switch on the circuit board (turn ON S1-1). Initial Data setting CH No. Contents Remarks value range － Manufacturer data Do not change this value. －...
  • Page 38 Allowable deviation value － from previous zero calibration 10.0 value 0: Not used. 1: H range echo back Contact output 1 selection 0/1/2/3/4 2: M range echo back 3: L range echo back 4: ON during maintenance Contact output 2 selection Same as above Same as above Contact output 3 selection...
  • Page 39 Setting of the warning point of contact output by CH148 value CH148 value × ○ × ○ × ○ × ○ E-17 × × ○ ○ × × ○ ○ E-18 × × × × ○ ○ ○ ○ E-19...
  • Page 40 4.5 Starting operation Start operation Perform operation preparation steps 1) – 7). Put the shelter from the top and tighten the mounting Install the shelter. screws at four locations. Open the valve window on the right side of the shelter. (Remove four screws.) Open the front door of the shelter.
  • Page 41 4.6 Stopping operation Stopping operation Close the suction valve. Close the suction valve firmly with the special tool (T-wrench). Keep the exhaust valve open. Adjust the flow meter valve so that the flow meters of the Adjust the flow meter valve. light emission and light receiving units show 8 liters/min.
  • Page 42 4.7 Operation while analyzer is running The following shows the operations to be carried out while the Dust densitometer is running. －1 Measuring range change operation －2 Calibration operation (manual calibration, semi-auto calibration, and auto-zero reset) －3 Purge and bypass operation －4 O2 and weight conversion operation －5...

  • Page 43: Purge Cycle (On-Off Repetition)

    4.7.2 Calibration operation [Zero calibration] This operation is performed to compensate for drift of the zero level toward the positive side caused by dust sticking to the trap part or part close to the optical system. It is possible to perform the manual, semi-auto, or auto zero reset. [Span calibration] This operation is performed to compensate for changes in sensitivity caused by dust sticking to the window or part close to the optical system.
  • Page 44 ① Manual zero calibration ･ Positive pressure exists inside ･ Negative pressure exists inside the furnace. the furnace. Fully close the ejector air Fully close the ejector air valve. valve. Fully close the suction valve Fully close only the suction and harf open exhaust valve.
  • Page 45 ② Manual span calibration IMPORTANT The span calibration is performed using the span rod having the same manufacture No. as that of the Dust densitometer. If the calibration is performed using the span rod having the different No., this may cause an error. Never perform the calibration using the span rod having the different No.
  • Page 46 80.0 Display CH024. CHO24 Check that the span value shown on the span rod is If incorrect value is input, change the system data setting. input. Display CH027. CHO27 Change the setting to ON using the ▲ or ▼ key. CHO27 The message, “CAL SPAN”, is displayed 80.0...
  • Page 47 ③ Semi-auto zero calibration Perform the same operation steps from Fully open the ejector air valve to Wait until the indication becomes stable. as described for manual zero calibration Display CH025. CHO25 Change CH025 (calibration mode) to “1”. CHO25 Display CH026. CHO26 Change the setting to ON using the ▲...

  • Page 48: Auto Zero Reset Interval

    ⑤ Auto zero reset To use the auto zero reset function, it is necessary to change the CH152 setting to ON. Starting of auto zero reset using key operation Display CH042 CHO42 Change the setting to ON using the ▲ or ▼ key. CHO42 (The message, “PURGE”, is displayed on Press the ENT key.
  • Page 49 When the auto zero reset cycle is set at “3”, this means that the auto zero reset is Example performed once every 3 days (3 cycles) when the auto purge cycle is set at “1 day”. The auto zero reset operation is performed in the same manner as described in the above time chart.
  • Page 50 4.7.3 Purge and bypass operation [Purge] The purge operation is intended to periodically open or close the solenoid valve for a specified period of time and introduce a large amount of air to the suction and exhaust sides in order to prevent blocking of the sample gas dust. [Manual purge] With key operation, the MANUAL PURGE START switch is turned ON to start the manual purge.
  • Page 51 Turn ON CH037 (or start auto purge cycle). Purge solenoid valve ON OFF ON OFF ON OFF Maintenance contact output Purge operation Purge recovery time CH034,035,036 CH038 Auto purge cycle CH033 Time chart of manual/auto purge After the purge recovery time elapses.
  • Page 52 ③ Purge during bypass operation To start the purge operation during bypass operation, it is necessary to set the CH151 setting to ON. The purge operation is started by the contact input. Bypass contact input Bypass contact output Purge solenoid valve Maintenance contact output Purge recovery time...
  • Page 53 To display the O2 conversion on output-1 and output-2, set CH060 and CH068 to ON. [Weight conversion] The scale determined by Energy Support corp. with the standard grain size is put on the Dust densitometer. When measuring the dust actually, a difference between the indication value on this Dust densitometer and weight concentration of the actual dust is produced by influences of the color, shape, and grain size of the dust.
  • Page 54 4.7.5 Output signal calculation/hold/output adjustment ① Output signal calculation The contents of the following calculations can be set individually on each of two output signal systems. Check and set the following CH No. data of the system data. Output-1 Output-2 Contents of calculation CH060 CH061...
  • Page 55 No hold: Hold is not performed. Hold during maintenance: Hold is performed when the maintenance range, auto/manual purge, bypass operation, manual/semi-auto calibration, auto zero reset, or purge/auto zero recovery is performed. Hold if alarm occurs: Hold is performed if E-01 – E-16, or E-20 occurs. * Regardless of the above settings (0, 1, 2, and 3), if E-04 or E-09 occurs, the value immediately before the error occurs is held.
  • Page 56 ③ Output adjustment The zero and span values can be adjusted individually in two output signal systems in a range of 4 – 20 mA using key operation. Adjust the output using the CH Nos. as shown below. Output-1 Output-2 Output adjustment CH056 CH064...
  • Page 57 5. Maintenance IMPORTANT 5.1 Cautions for maintenance CAUTION (1) To prevent the dew condensation, the transmitter main body is hot. Therefore, always wear heat-resistant gloves before starting the cleaning and maintenance work of the piping in the optical system, trap, and ejector.
  • Page 58 5.2 Maintenance and inspection items Inspection location Recommended Unit name Inspection criteria and method Remarks and inspection item frequency Flow meter of light emission unit 8 liters/min.(8-9 liters/min.) Once/week Flow meter of light receiving unit Perform the span calibration Manual (or Once/week –...
  • Page 59 5.3 Maintenance and inspection ① Checking of flow meters on light emission and light receiving units ･ Check that the center of the float is located at a position close to 8 – 9 liters/min. ･ Gradually adjust the light emission and light receiving units alternately.
  • Page 60 ③ Cleaning of optical system and light trap Preparations for cleaning Close the suction valve. Use the special tool (T-wrench). Adjust the flow meter valve. Adjust the flow meter valve. Fully close the ejector air valve. Fully close the ejector air valve. Close the exhaust valve.
  • Page 61 Disassembly of optical system Both the light emission and light receiving units have the same structure. Disassembly of optical system Turn the knurled part of the connector and pull out Disconnect the connector. the connector upward. Disconnect the nylon tube. Remove the light receiving/light Turn the entire unit counterclockwise to remove it.
  • Page 62 Disassembly of light trap Both the light emission and light receiving units have the same structure. Disassembly of light trap Loosen the hose band screws. Loosen the hose band screws with a Phillips screwdriver.  Fasten the 4 pipe welded to the light trap with Disconnect the nylon tube.
  • Page 63 Disassembly of light receiving unit/light emission unit Both the light emission and light receiving units have the same structure. Disassembly of light receiving/light Before removing the emission unit screws, put marks at the assembly positions between the bracket for the optical system and the Remove the bracket for the optical Remove four M4 small sensor/LED unit.
  • Page 64 Cleaning of optical system, trap, and light receiving/light emission unit Clean both the light emission and light receiving units in the same manner. Cleaning of inside of base metallic pipe: Remove the light guide bracket and wipe off the dirt sticking to the part close to ...
  • Page 65 Cleaning of quartz window: Remove the dirt sticking to both surfaces. Carefully clean the quartz window with soft gauze or cloth rag soaked in alcohol. Cleaning of optical system bracket: Remove the dirt sticking to the inlet and inside. The cleaning work is then completed. Cautions for reassembly after cleaning IMPORTANT ･...
  • Page 66 Starting of analyzer after cleaning and reassembling ･ Start the Dust densitometer while referring to section 4.5, Starting operation. ･ Perform the zero-span calibration while referring to section 4.7.2, Calibration operation. ④ Cleaning of ejector and inside of base metal fitting pipe (exhaust side) Make the preparations for cleaning in the same manner as described in ③, Cleaning of optical system and trap.
  • Page 67 Cleaning of ejector and inside of base metal fitting pipe (exhaust side) Cleaning of ejector Blow the compressed air to the purge air route to remove the blocked materials from the inside of the route. Blow the compressed air to the ejector air route to remove the blocked materials from the inside of the route.
  • Page 68 ⑤ Replacement of O-ring O-rings are used at the following locations. Q’ty Location O-ring part No. Remarks 2 (Light emission and light Made of Biton. Application of FPM-P18 receiving units) the grease is not allowed. Light guide bracket 2 (Light emission and light Made of Biton.
  • Page 69 5.4 Error display If an error occurs, relevant error No. is displayed on the 7-segment LED. (Contact output 6 and power shut-down are turned ON if any of errors, E-01 – E-16, and E-20 occurs.) Error Nos., E-01 – E-20, are provided. The following table shows the error Nos. and error contents.
  • Page 70 Error No. Contents Error occurrence conditions Retention or natural reset Remarks ･ Calibration value deviates more than the value set in CH135 from the previously calibrated value. ･ Calibration does not enter the stable range set in CH155 within the time set in CH157 during semi-auto calibration.
  • Page 71 5.5 Troubleshooting ① E-01～03 Check the circuit board for Contact the Turn ON the faulty part. manufacturer to Turn ON the power power again. Connector is disconnected. replace the circuit again. IC is disconnected. board. If the error is reset Disconnection of the correctly, restart connector is the cause.
  • Page 72 ⑤ E-07 Check if the heater thermocouple (terminal block) is short-circuited or opened. If the error is reset Turn ON the power correctly, restart again or press the CLR and ENT keys. operation continually. If the error is not reset correctly, turn OFF the power and measure the measuring voltage of the thermocouple (between terminals (+) and (-) of the terminal block TC).
  • Page 73 ⑦ E-10 Using the alphabetic indicator, check In case of LD, see the which unit, HT, PD, or LD, does not description of E-15 and 16. complete the temperature rise. In case of HT, In case of PD, see the see the description of description of...
  • Page 74 ⑨ E-17 Adjust the purge main Is the dust shut-off Dust is not Is the purge main pressure and perform by the purge air pressure correct? shut-off. the auto zero reset during auto zero again. reset? Dust is shut-off by the purge air Is the auto zero Since the time is short, the Set the time again and...
  • Page 75 ⑪ Indication value is high (higher than the initial indication value). The main cause is that dust is sticking to the light trap and inside of the base metal fitting pipe, and the zero level drifts toward the positive side. This symptom may often occur immediately after starting the measurement of the initial sample or several weeks after cleaning the piping around the optical system.
  • Page 76 ⑫ Indication value is low (lower than the initial indication value). The main cause of low indication value is that the optical system (particularly, light guide bracket, quartz bracket, and optical system bracket) is contaminated and the light emission intensity from the light source to the sensor is lowered and the sensitivity is lowered.
  • Page 77  ⑬ Drift of indication value is large ( 5% FS or more/day). Drift of indication value is large. Close the suction and exhaust valves. Check the drift in the zero state. Drift is large. Do the flow meters of Adjust the flow rate to 8 the light receiving and liters/min.
  • Page 78 5.6 Replacement parts ① Spare parts and consumable parts Recommended Part name Part No. Shape Remarks replacement frequency For circuit board power Glass tube fuse JIS-MF-51NR2A Spare part supply, 2A Glass tube fuse JIS-MF-51NR7A Spare part For heater, 7A Membrane filter KS 288424 One month For membrane filter...
  • Page 79 Part name Part No. Replacement criteria Remarks ・If it is difficult to clean the sticking foreign Light guide bracket KV-610261 matter. ・If corrosion or damage is large. ・If it is difficult to clean the sticking foreign Light trap KV-610275 matter. ・If corrosion or damage is large.
  • Page 80 5.7 Replacement of parts 1. The heater, thermocouple, and base metal fitting cannot be replaced at the customer’s site. It is necessary to send the defective unit to the manufacturer for repair. Two kinds of scaling (sensitivity adjustment) are needed after the light receiving unit (optical sensor), light emission unit (LED), or CPU board Assy has been replaced.
  • Page 81 Part name Replacement procedure Optical system bracket, optical system bracket cover, packing for heat See section 5.3-③, Cleaning of optical system and trap. insulation plate, and quartz window 5.8 About this product Because ISOWOOL BSSR BULK is used for the gas contact part of this product , the Safety Data Sheet of ISOWOOL BSSR BULK is attached to the product.
  • Page 82 6. References 6.1 Outside view and dimensional drawing 1) Dust densitometer KV-610014-J Terminal stand T2 Terminal stand for purge solenoid valve T3 Power terminal stand T1 Main body flange JIS10K100A Mating flange for mounting JIS10K100A...
  • Page 83 2) Suction and exhaust nozzles KV-620212 Specifications Material: SUS316 Weight: Approximately 2.3 kg/1000 mm...
  • Page 84 3) Purge unit KV-634036-D （E） Purge unit Specifications Paint color: Munsell 5Y7/1 (semi-glossy) Structure: Dust-proof, drip-proof, special stand or wall hanging Weight: Approximately 25 kg Plate thickness: 1.6 (t)
  • Page 85 6.2 Standard specifications Model: ISS-101  Measuring principle: Forward 70 light scattering method  Power supply: 100V AC 10%, 50/60 Hz, 700 VA Measuring range: 0-10/0-25/0-100 mg/m N or equivalent   4 – 20 mA DC, (RL Output signal: insulation) x 2 systems 0.2 –...
  • Page 86 □ Purge unit Power supply: None (Solenoid valve drive signals are connected from the Dust densitometer.) Wiring port: 2-φ30 Gas inlet: Instrument air inlet RC1/4 Gas outlet: Clean air outlet, ejector air outlet, purge air outlet, RC 1/4 Purge time setting: By setting the data on the Dust densitometer. Weight: Approximately 25 kg Paint color:...
  • Page 87 Adjustment of the speed controller ・ This dust densitometer gains the speed controller to do the flow quantity adjustment of the ejector. ・The position of the speed controller, please refer to the chart below. Ejector air valbe Speed controller Lock nut Needle valve From the front part of dust densitometer ・When no use ejector air, no need the adjustment.
  • Page 89 Repairs request slip for measuring apparatus ENERGY’s entry column Please Notice for customers following contents through facsimile or telephone. Measuring instrument repair request sheet (product send-back sheet) If the contents of the repair request are insufficient when sending your product back to ENERGY for repair, it takes a long time to perform the acceptance inspection, causing inconvenience in delivery.
  • Page 90 ENERGY SUPPORT CORPORATION Private description Industrial system Division : 0568-67-1842 ※ To customer Tel. : 0568-67-2743 ※ In terms of contents mentioned Address : 1,Aza Kamikobari,Inuyama, below please get in touch with us by means of FAX or Telephone. Aichi 484-8505...
  • Page 92 Description in this operation manual is subject to changes without prior notice. For advice or detail of our products and services, contact the Technical Service Team. Industrial System Division...