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Optisure Remote User’s Manual

Kahn Instruments

APPENDIX A

Measurement Units

psia, bara, KPa or MPag

Pressure Transducer Thread

⅛" NPT

Monitor

Resolution

User-selectable to 0.001 dependant on parameter

Measurement Units

°F and °C for dew point and temperature

%RH, g/m

, g/kg, ppm

, ppm

(SF

), for calculated humidities

Outputs

Analog:

Digital:

Alarm:

3 channels, user selectable 4-20 mA, 0-20 mA or 0 to 1 V

Modbus RTU over USB and optionally Modbus RTU over

RS232 or RS485, or Modbus TCP over ethernet.

Two volt free changeover contacts, one process alarm, one fault

alarm; 1 A @ 30 V DC

HMI

5.7” LCD with touchscreen

Data Logging

SD Card (512Mb supplied) and USB interface

SD Card (FAT-16) - 2Gb max. that allows 24 million logs or 560 days,

logging at 2 second intervals

Environmental Conditions

-4 to +122°F (-20 to +50°C)

Power Supply

85 to 264 V AC, 47/63 Hz

Power Consumption

100 VA

Mechanical Specifications

Dimensions (Instrument)

7.36 x 10.12 x 8.4" (186.9 x 257 x 215mm) h x w x d

Dimensions (Sensor)

ø1.77" x 5.04" (ø45 x 128mm) with M36 x 1.5-6g mounting thread

Weight

9.26lbs (4.2kg)

Cable Lengths

9.8, 16.4 or 32.8ft (3, 5 or 10m)

General

Storage Temperature

-40 to +140°F (-40 to +60°C)

Detection System

Single optics detection system with auto adjustment

Calibration

4-point traceable in-house calibration as standard

UKAS accredited calibrations optional - please consult Kahn

Instruments

Содержание Optisure Remote

Страница 1: ...Optisure Remote Chilled Mirror Hygrometer User s Manual March 2018...

Страница 2: ...Optisure Remote...

Страница 3: ...2 5 8 RS232 485 Port Optional 12 2 5 9 Remote Pressure Transducer Optional 13 3 USER INTERFACE 14 3 1 Main Display 14 3 1 1 Main Screen 14 4 1 Operating Cycle 22 4 2 Operating Guide 23 4 2 1 Descript...

Страница 4: ...m Output Connectors 9 Figure 6 Dew Point Sensor Connection 10 Figure 8 USB Port Connection 11 Figure 9 Ethernet Port 11 Figure 10 Remote Pressure Transducer Connection 13 Figure 11 Main Screen 14 Figu...

Страница 5: ...t The input power supply voltage limits are 85 to 264 V AC 47 63 Hz Refer to Appendix A Technical Specifications Pressure Safety DO NOT permit pressures greater than the safe working pressure to be ap...

Страница 6: ...liters per minute lb pound mA milliampere max maximum min minute s mV millivolt s N C normally closed N O normally open No number ppmV parts per million by volume ppmW parts per million by weight PRT...

Страница 7: ...Optisure Remote User s Manual Kahn Instruments vii NOTES...

Страница 8: ...n dew point pressure and temperature of the sample gas can also be displayed Two pressure options are available low pressure allowing measurements at a maximum of 290psig 20barg and high pressure allo...

Страница 9: ...Save all the packing materials for the purpose of returning the instrument for re calibration or any warranty claims The accessories box should contain the following items Traceable calibration certi...

Страница 10: ...eratures the cooling ability of the sensor may be slightly reduced 2 3 2 Electrical Requirements The Optisure Remote requires the following electrical supply 85 to 264 V AC 47 63 Hz 100 VA max Alarm o...

Страница 11: ...enables the user to control the operation of the instrument See section 3 for information about the touch screen and menu system 2 SD Slot Takes an SD card used to store logged data See section 3 2 2...

Страница 12: ...ptional Used for connection to a computer system or DCS to access measured parameters and control the instrument remotely 7 Alarms Socket for Process and Fault alarm outputs Each alarm has one set of...

Страница 13: ...1 Power Supply Input The AC power supply is a push fit into the power input socket as shown in Figure 3 Figure 3 Power Supply Input The method of connection is as follows 1 Insure that both ends of t...

Страница 14: ...held at the level that they were at immediately prior to the start of DCC When the dew point measurement is stable or if the maximum hold period has expired they are released and will track the select...

Страница 15: ...FAULT alarm The PROCESS alarm can be configured to represent any one of the measured or calculated parameters and set up to operate when a pre set parameter threshold level is exceeded By default the...

Страница 16: ...ck the wire for the N O e g green connection to the N O connector way for the FAULT alarm contact set exposing approximately 0 25 6mm wire and clamp into the screw block N O terminal way Do not overti...

Страница 17: ...probe connector until it locates in the socket labeled REMOTE TEMPERATURE See Figure 7 2 Push the connector into the socket until it locks NOTE Do not attempt to force it into the socket If it will n...

Страница 18: ...t by holding the connector body Do not attempt to remove it from the socket by pulling on the cable Figure 8 USB Port Connection 2 5 7 Ethernet Port Optional The instrument features an optional RJ45 p...

Страница 19: ...ector and gently push it into the socket labelled RS232 or RS485 and tighten the retaining screws 2 Loosen the retaining screws and pull the connector out of the socket by holding the connector body R...

Страница 20: ...il it locks NOTE Do not attempt to force it into the socket If it will not fit in rotate it until the key locks and it pushes in easily 3 To remove the connector slide the connector s body collar back...

Страница 21: ...pplication Software The Optisure offers 4 possible interfaces to connect to a PC or network USB Ethernet Optional RS232 Optional RS485 Optional 3 1 Main Display The Optisure features a 5 7 color touch...

Страница 22: ...parameters 6 Max Cool On Off Initiates or cancels a Max Cool See section 4 5 2 for an explanation of the Max Cool function 7 Standby Operate Toggles between Measure and Standby modes When switching to...

Страница 23: ...HOLD OUTPUT HOLD RESET OPTICS INTERVAL PERIOD SETPOINT STATUS FILENAME INTERVAL MAXIMUM MINIUMUM PARAMETER OUTPUT TYPE OUTPUT SELECT SETPOINT PARAMETER BRIGHTNESS STABILITY LANGUAGE PRESSURE UNIT PRI...

Страница 24: ...n section 4 8 Sensor Indicates whether the sensor has established a condensate formation or if the system is in a transient condition Heating Cooling Control Logging When shown the Optisure is current...

Страница 25: ...asured dew point Available input 10 to 40 Period Duration of a DCC Available input 0 01 to 0 59 Interval Time between automatic DCC cycles Available input 1 to 99 hours Set 0 to disable automatic DCCs...

Страница 26: ...ailable input 0 05 to 10 00 SD Status Indicator Indicates status of inserted SD card No SD card inserted Ready to log Initialising card Error occurred SD card is write protected Logging Start Stop Beg...

Страница 27: ...g kg g m3 T DP Minimum The minimum output range for the selected parameter Available input Dependant on parameter Maximum The maximum output range for the selected parameter Available input Dependant...

Страница 28: ...nglish Deutsch Espa ol Francais Italiano Portugu s USA Russian Chinese Japanese Stability Time scale in minutes for the Stability Graph on the Main Screen Input format hh mm Available Input 00 01 to 1...

Страница 29: ...ed to the outputs from receiving a false reading After the DCC period has finished the measurement period commences during which the control system decreases the mirror temperature until it reaches th...

Страница 30: ...be completely evaporated from the mirror In these scenarios the system will search for the dew point again by cooling resulting in cooing past the dew point as described above A similar situation occ...

Страница 31: ...point A point B or point C Point C provides the most representative sampling point given that it won t be disturbed by the vent or the door A B C 1 2 3 4 1 Door 2 HVAC Duct air into room 3 4 Ceiling...

Страница 32: ...re into the Optisure Remote via the Application Software or connect a pressure sensor directly to the point of measurement see section 2 5 9 Extractive If the sensor will be mounted into a sample cond...

Страница 33: ...the atmospheric water vapor will naturally push through the porous medium causing water to migrate into the pressurised air line This effect is called transpiration Adsorption and Desorption Adsorptio...

Страница 34: ...y be in a sample stream For protection against liquids a coalescing filter should be used The membrane filter is a more expensive but highly effective alternative to a coalescing filter It provides pr...

Страница 35: ...to changes in moisture content An excessively high flow rate can Introduce back pressure causing slower response times and unpredictable effects on equipment such as humidity generators Result in a r...

Страница 36: ...he mirror is assumed to be clean therefore the instrument will only run a DCC for 2 minutes to quickly establish a clean mirror reference point By default every subsequent DCC is 4 minutes in duration...

Страница 37: ...e mirror surface The instrument then continues operation as normal Note that Data Hold is active whenever FAST is active For further information see section 4 5 3 4 5 4 STANDBY Mode In STANDBY mode dr...

Страница 38: ...t temperature The following chart assumes operation in a climatic chamber where air speed is sufficient to remove any excess heat generated by the sensor The minimum measurable dew point also varies d...

Страница 39: ...other than that described in this section must only be carried out by trained personnel and the instrument should be returned to the manufacturer for this purpose DANGER Electric Shock Risk 5 2 Fuse...

Страница 40: ...er or their service agent DO NOT ATTEMPT ANY FURTHER SERVICING PROCEDURES 5 3 Sensor Mirror Cleaning Throughout the life of the instrument periodic cleaning of the mirror surface and optics window may...

Страница 41: ...aboratory against Test Equipment traceable to the NATIONAL PHYSICAL LABORATORY Middlesex United Kingdom and to the NATIONAL INSTITUTE OF STANDARDS TECHNOLOGY Gaithersburg Maryland USA Approved Signato...

Страница 42: ...Optisure Remote User s Manual Kahn Instruments 35 APPENDIX A Appendix A Technical Specifications...

Страница 43: ...F 40 to 120 C 40 to 248 F 40 to 120 C RH Range 0 5 to 100 0 5 to 100 10 to 100 Min measured dew point 20 C 40 F C 40 F C 14 F 10 C Mirror Material Options Gold plated copper standard gold stud Platin...

Страница 44: ...5 7 LCD with touchscreen Data Logging SD Card 512Mb supplied and USB interface SD Card FAT 16 2Gb max that allows 24 million logs or 560 days logging at 2 second intervals Environmental Conditions 4 t...

Страница 45: ...OR DISCLOSED TO A THIRD PARTY WITHOUT THE CONSENT OF MICHELL INSTRUMENTS PROJECT FINISH DRAWING TITLE DRAWING No DESCRIPTION APPROVED N A S8K REMOTE II ASSEMBLY 90809 SEE BoM H XXXXX 26 09 17 BPC ROTA...

Страница 46: ...Optisure Remote User s Manual Kahn Instruments 39 APPENDIX B Appendix B...

Страница 47: ...sware downloads htm 1 Installation 1 Extract the contents of the supplied zip file to a suitable location 2 Close all currently running Windows programs 3 Launch the installer and follow the on screen...

Страница 48: ...s Device Manager Screen will list the following driver see Figure 28 Kahn Instruments USB to UART Bridge Controller 3 Launch the application software and choose one of the following types of connectio...

Страница 49: ...Optisure Remote User s Manual 42 March 2018 3 Data Acquisition or Edit Variables Mode Once communication has been established the Options Screen is displayed Options Screen...

Страница 50: ...elected to enable data logging Pause Pause data acquisition Stop Stop data acquisition Plot and log interval Time in seconds between graph and log file updates Log filename Path and filename of the lo...

Страница 51: ...ease the scale size Drag down to decrease the scale size Zoom Box Zooms in on both axes in the user selected area Show time Y Select a parameter from the legend on the right hand side of the graph Dra...

Страница 52: ...f options a drop down arrow will appear in the right hand column Choose a new value from the drop down list provided If the variable does not have a fixed list of options type the new value into the r...

Страница 53: ...Optisure Remote User s Manual 46 March 2018 Optisure Series Variables Editor Screen...

Страница 54: ...http www kahn com...

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