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Chino IR-M22 SERIES Instructions Manual

Infrared moisture meter designed as a fiber optic
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INST No INE -403-0P0
Always keep these instruction with the unit.
IR-M2□□□
INFRARED MOISTURE METER
DESIGNED AS A FIBER OPTIC
(Model : IR-M21□ □ ,IR-M22□ □ )
Please be sure to deliver these instructions
with the unit to the end user.
Series

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  • Page 1 INST No INE -403-0P0 IR-M2□□□ Series INFRARED MOISTURE METER DESIGNED AS A FIBER OPTIC (Model : IR-M21□ □ ,IR-M22□ □ ) Always keep these instruction with the unit. Please be sure to deliver these instructions with the unit to the end user.
  • Page 2 However, if any question arises or if any error, an omission, or other deficiencies were found, please inform your nearest CHINO’s sales agent of them. ou are requested to understand that CHINO is not responsible for any operation results. ■FOR SAFE USE For the purpose of using this unit safely, observe the following cautions for safety during the operation, maintenance, and repair of this unit without fail.
  • Page 3 INST No INE -403-0P0 ■ CAUTIONS FOR SAFETY ● Power supply Make sure that the power voltage of this unit meets the feed power voltage without fail before feeding power to this unit. ● Protective grounding Perform the protective grounding without fail before turning on the power supply of this unit for the purpose of preventing an electric shock accident.

  • Page 4: Table Of Contents

    INST No INE -403-0P0 CONTENTS ････････････････････････････ ･････････････････････････ ！ 1. General 4. Connections ！ ･･･････････････････････････ ･･････････････････････････ 1.1 Summary 4.1 Connections ････････････････････････ ･･･････････････ 1.2 Configuration 4.2 Layout of connection cable ･･･････････････ 4.3 Multi-detector connections ･････････････････ 2 . Models and accessories ･････････････ 4.3.1 Connections through relay box ･････････････････････････････...
  • Page 5 INST No INE -403- CONTENTS ！ ････････････････ ･･････････････････････････････ 9.4.1 List of maintenance parts 7.1.3 Liquid ！ ･･･････････ ･･････････････････ 9.4.2 Replacement of light source lamp 7.2 Sample measuremernt ･･･････････････････ ！ ････････････････････ 9.4.3 Replacement of motor 7.2.1 Powder or granular ････････････ 9.4.4 Replacement of lithium batterty ･･････････････････...

  • Page 6: General

    INST No. INE-403-0P0 1. General 1.1 Summary The infrared moisture meter IR-M2 series is designed as a fiber optic moisture meter for on- line moisture meter utilizing infrared absorption of moisture, and it consists of a detector unit, a fiber optics, a setting display unit and accessories. The detector unit is provided with 99 built- in calibration curves to output linear analog signals according to the moisture.

  • Page 7: Models And Accessories

    INST No. INE-403-0P0 2. Models and accessories 2.1 Models 2.1.1 Detector unit IR-M2 Measurement object 1 : Universal type 2 : High moisture type Fiber optics combined 0 : Reflective type *1:Combination of “5” 5 : Transparent type or “8” of optional External input/output external I/O and 0 : Moisture output 4 to 20mA (Standard)

  • Page 8: Setting

    INST No. INE-403-0P0 ！ 3. Setting 3.1 Setting of dipswitches Set the internal dipswitches before installation of the detector unit. 1) Open a door, remove 4 screws for fixing a setting display part and then remove the setting display part. 2) The setting display part is connected to the interior through cables.
  • Page 9 INST No. INE-403-0P0 3. Setting 3.1 Setting of dipswitches Dipswitch Function Defaults Measurement/ Measurement Calibration OFF (Don’t change.) Calibration mode mode mode Mathematical Logarithm Ratio operation ON (Don’t change.) operation format operation No.2 calibration Disable Enable enable/disable Connection Setting display OFF : IR-M2 destination unit...

  • Page 10: Installation Of Reflective Type Fiver Optics

    INST No. INE-403-0P0 ！ 3. Setting 3.2 Installation of reflective type fiber optics There are two types of reflective type fiber optics. One is “Without lens (IR-WCRN)” and the other is “With lens (IR-WCRE)”. W a rn i n g Place the tip of fiber optics with the following measurement distance from ・Reflective type fiber optics 15 to 50mm an object.

  • Page 11: Air Purge(Only Ir-Wcrn)

    INST No. INE-403-0P0 ！ 3. Setting 3.2.2 Air purge (Only IR-WCRN) When air purging is required, supply dry air not P u rge a ir containing oil, dust, etc. from a purge air inlet. in le t Connect a nylon tube of φ6mm in outer diameter and φ4mm in inner diameter to the purge air inlet.

  • Page 12: Optical Path

    INST No. INE-403-0P0 3. Setting 3.2.4 Optical path Select a place where water drops, dust particles, smoke, water steam, etc. will not enter between the tip of fiber optics and an object. If these substances cannot be prevented and their influences are negligible, purge them with air, or other remedial measure is necessary. If direct current (DC) light like the natural light, which does not change its intensity momentarily, comes to an object, it does not cause any disturbance in measurement, but alternate current (AC) light like as electric bulb, flame, etc., causes disturbance.

  • Page 13: Installation Of Transparent Type Fiver Optics

    INST No. INE-403-0P0 ！ 3. Setting 3. Installation of transparent type fiber optics 3.3.1 Installation of cell for liquids Install a measuring cell to flow a sample liquid from down to up. Connect with the fiber optics between the detector unit and the measur ing cell. Make sure to connect the light projecting side and the light receiving side of the fiber optics to the correct sides of the detector unit and the measuring cell.

  • Page 14: Connections With Detector Unit

    INST No. INE-403-0P0 3. Setting 3.3.2 Connection with detector unit Connect the fiber optics, as shown in the following figure, through the rubber bush attached to the detector unit. Connector for fiber Connector for fiber Dent departm ent [Light receiving side] [Light projec ting s ide ] Protrusion departm ent Rubber bush...

  • Page 15: Installation Of Detector Unit ･･･････････････10

    INST No. INE-403-0P0 ！ 3. Setting 3.4 Installation of detector unit The detector unit is a wall- mounting type with 4 mounting holes. Fix the detector unit to wall surface, etc. with 4 pieces of M8 screw. The outside and mounting dimensions are shown in the figure.

  • Page 16: Connections

    INST No. INE-403-0P0 ！ 4. Connections 4.1 Connections The terminal board is accessible by opening the door of the detector unit. Lead in cables through a small sized cable inlet at the lower part and connect them to terminals. Lead in the exclusive cable IR-WERT through the large cable inlet.

  • Page 17: Multi-Detector Connections

    INST No. INE-403-0P0 4. Connection 4.3 Multi-detector connections By using the setting display unit, you can connect the detector unit up to 9 sets. Two wiring methods are available. One is wiring through a relay box (IR-WEE ) and the other is without the relay box (IR-WEE ).

  • Page 18: Connections Without Relay Box

    INST No. INE-403-0P0 4. Connection 4.3.2 Connections without relay box Detector IR -WERT* Connect the P+(Red), P - (Blue), Taping and G(external shield wire) of IR -WERT to power supply. 2 -conductor twisted And connect the SA(Black), cable (with shield) SB(White)and SG(internal shield brown) of signal wire to the 2 -conductor twistcable(with shield)

  • Page 19: Names And Functions Of Component Parts

    INST No. INE-403-0P0 5. Names and functions of component parts ！ Names and functions of detector unit (2) Data display (1) Detector mounting (3) Door window screw hole- 2 (6) Manufacturing D A TA nameplate (5) Connection cable inlet (small) (11) Lamp (9) Setting display (14) Terminal board...

  • Page 20: Names And Functions Of Setting Display Part

    INST No. INE-403-0P0 5. Names and functions of component parts 5.2 Names and functions of setting display part (1) CH Display (2) Data Display D A TA (3) Setting EN T CH/･ keys S e tting d is play pa rt (1) CH display: Displays a calibration curve number in measurement mode and a parameter item in setting mode.

  • Page 21: Operation

    INST No INE -403-0P0 6. Operation 6.1 Confirmation before operation Check the following two points before turning on the power supply. 1) Have the dipswitches been set? (Refer to [3.1 Setting of dipswitches]) 2) Is wiring correct? (Refer to [4.1 Wiring]). 6.2 Setting of detector unit number Detector unit numbers are for identifying each detector unit when multiple detector units are connected to the setting display unit.

  • Page 22: Setting Data

    INST No INE -403-0P0 6. Operation 6.3.1 Setting data The followings are the setting data of calibration curve. Data name Disp Setting Defaul Remarks range t value (1) Calibration curve No. CH 1 to 99 (2) Polynomial coefficient a A0 0 to ±99999 0.0000 Effective numeric: 5 digits (2) Polynomial coefficient a...

  • Page 23: Setting Of Calibration Curve Data

    INST No INE -403-0P0 6. Operation 6.3.2 Setting of calibration curve data 1) Press SEL key for 2 seconds to enter into the calibration curve data setting mode. DATA 2) By pressing key, a numeric blinks for entering a calibration curve number. 3) Change the numeric by key, key or...

  • Page 24: Knee Point Line Setting Data

    INST No INE -403-0P0 6. Operation 6.4.2 Knee point line setting data The following data is necessary for the creation of the calibration curve by knee point line approximation. Data name Display Setting Default Remarks range value (1) Calibration curve 1 to 99 number (2) Data count...

  • Page 25: Setting Of Calibration Curbe Data For Knee Point Line Approximation

    INST No INE -403-0P0 6. Operation 6.4.3 Setting of calibration curve data for knee point line approximation (1) Setting of calibration curve number 1) Press SEL key and CH/. key simultaneously for DATA 2 seconds to enter into the sample data setting mode. 2) By pressing key, a numeric blinks for entering a calibration curve number.

  • Page 26: Setting Of Operating Conditions

    INST No INE -403-0P0 6. Operation 6.5 Setting of operating conditions Set the operating conditions including time constant and decimal place in the display. 6.5.1 Setting data Set the following data in operating conditions. However, the number of displayed setting data varies depending on the setting of dipswitches. Data name Display Setting range Default value...
  • Page 27 INST No INE -403-0P0 6. Operation (1) Time constant: If a measured value fluctuates noticeably, the signal can be set to be dull by delaying the response of this moisture meter. Set the smoothing time (equivalent to the time constant of analog instrument) in 0.1-second increment for less than 10 seconds and in 1-second increment for more than 10 seconds.

  • Page 28: Setting

    INST No INE -403-0P0 6. Operation 6.5.2 Setting 1) Press SEL key and ENT key simultaneously for 2 seconds to enter into the operation condition setting DATA mode. 2) By pressing key, a numeric blinks for entering a data. 3) Change the numeric by key, key or key.

  • Page 29: Setting Of Calibration Curve Number

    INST No INE -403-0P0 6. Operation 6.7 Setting of calibration curve number Set the calibration curve number according to the measuring object. 1) By pressing CH/. key, a numeric blinks for entering a DATA 10.0 calibration curve number. 2) Change the numeric by key, key or key.

  • Page 30: Preparation Of Calibration Curve

    INST No INE -403-0P0 7. Preparation of calibration curves 7. Preparation of calibration curves The output characteristics of the moisture meter depend upon the measuring objects. Also, the output characteristics may also change according to the process conditions and moisture measurement conditions of samples for certain measuring objects.

  • Page 31: Paper(Sheet Substance)

    INST No INE -403-0P0 7. Preparation of calibration curves 7.1.2 Paper (sheet substance) (1) Cut a sample to have a size of about 100 x 100mm by using a cutter or the like. (Number of samples: 9 sheets) (2) Divide nine sheets of the sample into 3 groups with 3 sheets in each group. Adjust the moisture of each group under the following conditions.

  • Page 32: Sample Measuremernt

    INST No INE -403-0P0 7. Preparation of calibration curves 7.2 Sample measurement Be careful with the following cautions during measurement. (1) Before measurement, warming- up of this moisture meter more than 1 hour is required. (2) Place a sample at the same position as in actual measurement, set the calibration curve number to 0, and read the display (absorbance "x").

  • Page 33: Paper(Sheet Substance)

    INST No INE -403-0P0 7. Preparation of calibration curves 7.2.2 Paper (Sheet substance) (I) Weigh the weight w of a sample before measurement. (2) Hold the sample by a paper holder, put it by tilting at 15º to the measuring position, set the calibration curve number to 0, and read its display (absorbance "x").

  • Page 34: Preparation Of Calibration Curves

    INST No INE -403-0P0 7. Preparation of calibration curves 7.3 Preparation of calibration curves Create a calibration curve by plotting data obtained by [7.2 Sample measurement] on a graph. Plot the absorbance "x" of this moisture meter on the X-axis (% H and also plot the moisture value (%H O) on the Y-axis.

  • Page 35: Confirmation Of Regression Expression

    INST No INE -403-0P0 7. Preparation of calibration curves (3) Setting of data number, sample data x and sample data y 1) Press key to enter into the data number setting DATA mode. 2) Change a numeric by the procedure mentioned in the above “(1) Setting of calibration curve number 2) and 3)”...

  • Page 36: Summary

    INST No INE -403-0P0 8. Correction function by sample temperature from external input 8.1 Summary Calibration curve of When a calibration curve changes at the sample sample temperature "T3" temperature Ts, this function enables to change the Calibration curve of sam ple temperature "T2"...

  • Page 37: Setting Of Correction Enabled/Disabled By Sample Temperature

    INST No INE -403-0P0 8. Correction function by sample temperature from external input 8.5 Setting of correction enabled/disabled by sample temperature Execute this setting to either the detector unit or the setting display unit. When the correction is disabled, the operation is normal which means the calibration curve is not changed according to the sample temperature.

  • Page 38: Setting Of Sample Temperature Scaling (Only 4 To 20Ma Dc)

    INST No INE -403-0P0 8. Correction function by sample temperature from external input 8.6 Setting of sample temperature scaling (Only 4 to 20mA DC) In case of using radio thermometer or thermoelectric converter, it is necessary to match the temperature range of their 4 to 20mA DC output and the temperature range of 4~20mA DC input of this instrument.

  • Page 39: Setting Of Calibration Curve Data

    INST No INE -403-0P0 8. Correction function by sample temperature from external input 8.8 Setting of calibration curve data (1) Specify a group for calibration curve number to be used. The groups are from 1 to 10 and each one corresponds to the following calibration curve numbers respectively.

  • Page 40: Measurement

    INST No INE -403-0P0 8. Correction function by sample temperature from external input 8.9 Measurement (1) When the correction by sample temperature ON (enable) is selected and one calibration curve number in a group is set, the calibration curve number changes automatically corresponding to sample temperature.

  • Page 41: Self-Diagnosis Function

    Check output by checker overflow. plate. Er07 Element temperature Element temperature is Need to return detector abnormal abnormal. unit to CHINO. Er10 Calibration curve Calibration curve data is Reset calibration curve data error not appropriate. data. Er11 Knee point line...

  • Page 42: Measures Against Troubles Not Included In Self-Diagnosis

    (for transparent type fiber optics) (10) If the display fluctuates in (8) or (9), clear RAM. If the trouble is not recovered yet, send back it to CHINO for repair. (11) Make sure that the fiber optics is not disconnected.

  • Page 43: Maintenance Parts

    INST No INE -403-0P0 9. Inspection and maintenance ！ 9.4 Maintenance parts 9.4.1 List of maintenance parts The replacing intervals are reference values. They vary according to the working condition. Article name Quantity Replacing Remarks interval Light source lamp (With 5 years connector) Motor (with connector)

  • Page 44: Replacement Of Motor

    INST No INE -403-0P0 9. Inspection and maintenance 9.4.3 Replacement of motor (1) Turn off the power source to the detector unit. Connector for display (2) Open the door of detector unit and take setting display part removing four screws. (3) The setting display part is connected with the interior by a cable.

  • Page 45: Replacement Of Lithium Batterty

    INST No INE -403-0P0 9. Inspection and maintenance ！ 9.4.4 Replacement of lithium battery The detector unit has a built- in lithium battery for memory backup. The setting data are kept, even if electricity is not supplied for 3 years or longer. When the battery has been consumed after 3 years or longer without supplying electricity, replace it with a new battery by the following procedure.

  • Page 46: Replacement Of Power Supply Unit

    INST No INE -403-0P0 9. Inspection and maintenance 9.4.5 Replacement of power supply unit (1) Turn off the power source to the Output board fix ing sc rews detector unit. (2- M 3 pan head screws ) (2) Open the door of detector unit. (3) Disconnect the connection cable and take out the connection cable from the cable inlet.

  • Page 47: Specifications

    INST No INE -403-0P0 10. Specifications 10.1 Detector unit IR-M Measur ing system : Infrared reflection type 3-wavelength system : Within detector unit output “x” ±0.003 with output checker plate Reproducibility （Under same ambient temperature and humidity） The above reproducibility is specified with the output checker plate and it is different from the reproducibility in actual measurement.

  • Page 48: Fiver Optics

    INST No INE -403-0P0 10. Specifications 10.2 Fiber optics The tip of reflec tion Pu rg e a ir in let 1 :M a x 6 0 ºC 10.2.1 Reflective type fiber type fiber optic s Ø (Ou te r dia m e te rof a p plic ab le 6 ny lon tu be etc.) optics IR-WCRN...

  • Page 49: Measuring Cell For Liquid Ir-Wcc1

    INST No INE -403-0P0 10. Specifications Liquid outlet(R1/4) 2- M5 Mounting s crew hole 10.2.5 Measuring cell for liquid dipth 5 (both s ides) IR-WCC1 Pipe diameter : PT1 /4 Material : SUS316 Temperature of measuring liquid : 0 to100ºC Pressure measuring liquid...
  • Page 50 32-8, KUMANO-CHO, ITABASHI-KU, TOKYO 173-8632 Telephone: +81-3-3956-2171 Facsimile: +81-3-3956-0915 E-mail: inter@chino.co.jp Web site http://www.chino.co.jp/ INE -403--0P0 Sep -' 0 1 IR-M2□□□Series INFRARED MOISTURE METER DESIGNED AS A FIBER OPTIC（IR-M21□□, IR-M22□□）Printed in Japan ( Kuki )

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