Omega M3185/1098 Weather Radio User Manual
Contents
1. Cover Screws 4 3 Key Operation Names of keys Contents ON OFF The power supply is turned on by pressing this key once and turned off by pressing this key again A confirmation chime sounds after turning on the power supply and the power supply turns off automatically after about 3 minutes For canceling the auto off function press ON OFF key together with CLEAR key A confirmation chime sounds three times For turning off the power supply press ON OFF key CLEAR By pressing this key a confirmation chime sounds the display setting functions hold humidity operation selection are canceled and the unit returns to the initial condition When the memory function is provided 1 data collection is stopped by press ing this key halfway during data collection 2 data readout is stopped by press ing this key halfway during data readout and also 3 the unit is reset to the last settting by pressing this key halfway during the time setting HOLD The measured values of temperature and humidity are held by press ing this key and the unit is set to the measuring condition the hold condition is canceled by pressing this key once more During the hold of measured values C F flickers eSEL The indicating value is switched in the order of relative humidity gt dew point wet bulb temperature Relative humidity RH Dew point C F Wet bulb temperature C F flickering READ Press this key for advanci2. SECTION SECTION SECTION 3 1 3 2 3 3 4 1 4 2 4 3 TABLE OF CONTENTS RH31 Humidity Temperature Meter INTRODUCTION 2L ccc ie bie ieee dew eee RR kes 1 UNPACKING eprmy ey ee tied sie c e Vc D efc 3 ASSEMBLY i 2n k hx 3 auae ed NE des san deus 5 Battery Installation 2 23 254 eter RR RE D RR 5 RH31 Indicator Assembly 000 c eee 5 How to Switch From Fto C wo eee 5 OPERATING INSTRUCTIONS eene 6 Display Codes s oed tip RU EE ee DETUR aise diace s 6 RS232 Communications eee 8 Key Operations 22 2266 visu ace teehee eases ERE XE 10 HUMIDITY CALIBRATION 0 cece cee eens 12 SPECIFICATIONS ss 2er bava nae wie waves dew 13 SECTION 1 INTRODUCTION The OMEGA RH31 Handheld Temperature Humidity Indicator has broad applications in air conditioning services food management process engineering and many uses in experimental and research facilities The built in digital display is accurate to 0 6 F 0 3 C and 3 RH and reads out in either degrees F C Three probe types are available for use with the RH31 and all are interchangeable through a connector located on the RH31 Indicator RH31 1 General Purpose Probe for Laboratory and Warehouses RH31 2 Thin Type Probe for Tanks and Narrow Gaps RH31 3 Remote Mounted Probe with Cable The ultra sensitive composite sensor element in the probes is composed of a temperature and humidity sensor formed into a singl
3. 1 P Air Sol amp Water M ir Soil ater Monitors h id LF Industrial Water amp Wastewater Treatment H a nd e Tem pera tu re man a a m A pH Conductivity amp Dissolved Oxygen Instruments KESIBE ase IH u m i d ity n d i ca to r omega com EOM EGA OMEGAnet On Line Service http www omega com Internet e mail info omega com USA ISO 9001 Certified Canada Servicing North America One Omega Drive Box 4047 Stamford CT 06907 0047 Tel 203 359 1660 e mail info omega com 976 Bergar Laval Quebec H7L 5A1 Tel 514 856 6928 e mail canada omega com FAX 203 359 7700 FAX 514 856 6886 For immediate technical or application assistance USA and Canada Mexico and Latin America Benelux Czech Republic France Germany Austria United Kingdom ISO 9002 Certified It is the policy of OMEGA to comply with all worldwide safety and EMC EMI regulations that Sales Service 1 800 826 6342 1 800 TC OMEGA Customer Service 1 800 622 2378 1 800 622 BEST Engineering Service 1 800 872 9436 1 800 USA WHEN TELEX 996404 EASYLINK 62968934 CABLE OMEGA Tel 95 800 TC OMEGA En Espa ol 203 359 7803 Servicing Europe Postbus 8034 1180 LA Amstelveen The Netherlands Tel 31 20 6418405 FAX 31 20 6434643 Toll Free in Benelux 06 0993344 e mail nl omega com ul Rude armady 1868 733 01 Karvina Hranice Czech Republic Tel 420 69 63
4. being careful not to touch it with your fingers After rinsing the sensors should air dry for at least 24 hours prefereably over an air flow register DISPLAY CODES OVER Measured values are displayed on the 3 2 digit LCD For temperatures over 212 F 100 C and humidity over 99 9 the message OVER is displayed BATT When the battery is low the message BATT appears on the display and the batttery must be replaced HUMIDITY CALIBRATION The RH31 Indicator and probes are calibrated at the factory and do not usually need to be recalibrated The warranty is void if the unit is tampered with while still under warranty Contact OMEGA Engineering for service information The following procedures are necessary only if the unit is operating out of speci fication and is no longer under warranty These procedures should be performed by a qualified technician Only the RH31 1 general purpose probe amp RH31 2 can be field calibrated 12 Figure 1 RH31 Indicator 11 epi ro Hl i F P Mons S amp Ihi m 11 21 Wks This TA Aq Y tH mo E 1 emn rera prem Tops qe V EE IF El MIN li 1L Dot n j rma yer pH os 2a TM zi Figure 2 Probe Assemblies for the RH31 SECTION 3 ASSEMBLY 3 1 Battery Installation BATTERY EXCHANGE METHOD 1 How to open the case The case can be opened by removing two screws on the rear panel of the c
5. text format are as shown below Specify the delimiters of data by comma and use the table calculation soft ware EXCEL Lotus123 etc for example Measured values are described on the cell numerically a Collection interval b number c Temperature d Humidity e Measurement start year month day and hour RH Relative humidity C F Dew point C F Wet bulb temperature
6. volt Battery Transparent vinyl case for Indicator Operator s Manual RH31 PROBES refer to Figure 2 RH30 1 2 3 Humidity Temperature Probe Plastic Bag to hold probe assembly Operator s Manual SECTION 5 HUMIDITY CALIBRATION PRECAUTIONS Due to its design and ease of access the humidity sensor must be handled with care AVOID ANY CONTACT with fingers atmosphere or products which could be harmful to the sensor The sensor must not come in contact with dirt or other foreign material Incorrect readings can be caused by build up of material which can increase or decrease the RH reading During measurements the following precautions should be taken 1 When the temperature at the location being measured changes drastically allow at least 10 minutes for the measurement to stabilize 2 The sensor response will vary greatly depending on the air flow in the vicinity being measured the heat capacity of materials surrounding the probe and the thermal conductivity Alllowing for the response time of 30 seconds or so keep the probe at a distance from the body when the probe is held in ones hand to eliminate the effects of body heat 3 Always turn the unit OFF after measurements are completed When the meter is not in use for extended periods of time remove and store the battery HUMIDITY SENSOR CLEANING Use no solvents stronger than DISTILLED WATER to clean the sensors If necessary rinse the sensors with distilled water
7. 11627 FAX 420 69 6311114 e mail czech omega com FAX 95 203 359 7807 e mail espanol omega com 9 rue Denis Papin 78190 Trappes Tel 33 130 621 400 Toll Free in France 0800 4 06342 e mail france omega com FAX 33 130 699 120 Daimlerstrasse 26 D 75392 Deckenpfronn Germany Tel 49 07056 3017 FAX 49 07056 8540 Toll Free in Germany 0130 11 21 66 e mail germany omega com 25 Swannington Road Broughton Astley Leicestershire LE9 6TU England P O Box 7 Omega Drive Irlam Manchester M44 5EX England Tel 44 1455 285520 Tel 44 161 777 6611 FAX 44 1455 283912 FAX 44 161 777 6622 Toll Free in England 0800 488 488 e mail uk omega com apply OMEGA is constantly pursuing certification of its products to the European New Approach Directives OMEGA will add the CE mark to every appropriate device upon certification The information contained in this document is believed to be correct but OMEGA Engineering Inc accepts no liability for any errors it contains and reserves the right to alter specifications without notice WARNING These products are not designed for use in and should not be used for patient connected applications WARRANTY DISCLAIMER OMEGA ENGINEERING INC warrants this unit to be free of defects in materials and workmanship for a period of 25 months from date of purchase OMEGA Warranty adds an additional one 1 month grace period to the normal two 2 year product warranty to
8. HORIZED RETURN AR NUMBER FROM OMEGA S CUSTOMER SERVICE DEPARTMENT IN ORDER TO AVOID PROCESSING DELAYS The assigned AR number should then be marked on the outside of the return package and on any correspondence The purchaser is responsible for shipping charges freight insurance and proper packaging to prevent breakage in transit FOR WARRANTY RETURNS please have FOR NON WARRANTY REPAIRS consult the following information available BEFORE OMEGA for current repair charges Have the contacting OM EGA following information available BEFORE 1 P O number under which the product was contacting OMEGA PURCHASED 1 P O number to cover the COST 2 Model and serial number of the product of the repair under warranty and 2 Model and serial number of product and 3 Repair instructions and or specific 3 Repair instructions and or specific problems problems relative to the product relative to the product OMEGA s policy is to make running changes not model changes whenever an improvement is possible This affords our customers the latest in technology and engineering OMEGA is a registered trademark of OMEGA ENGINEERING INC Copyright 1996 OMEGA ENGINEERING INC All rights reserved This document may not be copied photocopied reproduced translated or reduced to any electronic medium or machine readable form in whole or in part without prior written consent of OMEGA ENGINEERING INC NOTES 15 SECTION SECTION SECTION
9. O OTHER WARRANTIES OR REPRESENTATIONS OF ANY KIND WHATSOEVER EXPRESSED OR IMPLIED EXCEPT THAT OF TITLE AND ALL IMPLIED WARRANTIES INCLUDING ANY WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED LIMITATION OF LIABILITY The remedies of purchaser set forth herein are exclusive and the total liability of OMEGA with respect to this order whether based on contract warranty negligence indemnification strict liability or otherwise shall not exceed the purchase price of the component upon which liability is based In no event shall OMEGA be liable for consequential incidental or special damages CONDITIONS Equipment sold by OMEGA is not intended to be used nor shall it be used 1 as a Basic Component under 10 CFR 21 NRC used in or with any nuclear installation or activity or 2 in medical applications or used on humans Should any Product s be used in or with any nuclear installation or activity medical application used on humans or misused in any way OMEGA assumes no responsibility as set forth in our basic WARRANTY DISCLAIMER language and additionally purchaser will indemnify OMEGA and hold OMEGA harmless from any liability or damage whatsoever arising out of the use of the Product s in such a manner RETURN REQUESTS INQUIRIES Direct all warranty and repair requests inquiries to the OMEGA Customer Service Department BEFORE RETURNING ANY PRODUCT S TO OMEGA PURCHASER MUST OBTAIN AN AUT
10. Where Do I Find Everything I Need for Process Measurement and Control OMEGA Of Course TEMPERATURE 4 Thermocouple RTD amp Thermistor Probes Connectors Panels amp Assemblies 4 Wire Thermocouple RTD amp Thermistor A Calibrators amp Ice Point References A Recorders Controllers amp Process Monitors LY Infrared Pyrometers PRESSURE STRAIN AND FORCE A Transducers amp Strain Gauges 4 Load Cells amp Pressure Gauges lA Displacement Transducers LY Instrumentation amp Accessories FLOW LEVEL 4 Rotameters Gas Mass Flowmeters amp Flow Computers PE OMEGA An OMEGA Technologies Company http www omega com A Air Velocity Indicators mon lA Turbine Paddlewheel Systems e mail infoQ omega com A Totalizers amp Batch Controllers pH CONDUCTIVITY LY pH Electrodes Testers amp Accessories 4 Benchtop Laboratory Meters Controllers Calibrators Simulators amp Pumps 4 Industrial pH amp Conductivity Equipment DATA ACQUISITION 4 Data Acquisition amp Engineering Software 4 Communications Based Acquisition Systems A Plug in Cards for Apple IBM amp Compatibles A Datalogging Systems A Recorders Printers amp Plotters HEATERS Pp s 4 Heating Cable 4 Cartridge amp Strip Heaters 4 Immersion amp Band Heaters WY Flexible Heaters 4 Laboratory Heaters ENVIRONMENTAL MONITORING AND CONTROL 4 Metering amp Control Instrumentation A Refractometers RH 3
11. ase In this case the case can be opened easily be pulling the hand strap in the open direction while pressing the upper case 2 How to remove the battery Insert a screwdriver to the bottom of the battery connector while holding the battery connector by fingers and disconnect the connector by pushing it upward 3 Battery exchange Connect the battery connector to the connector on the PC Board In this case a confirmation chime sounds to show the end of the exchange Never disassemble short charge throw into a fire or heat the used battery nor directly solder it to the battery body otherwise a rupture accident or an electrolyte leak failure may occur 4 How to close the case Insert the battery cord to the guide of the upper case without protruding it out of the case Mount the hand strap Fit the upper and lower cases to each other and fasten two screws 3 2 RH31 Indicator Assembly Slide the RH31 indicator into the vinyl case provided in order to protect the case during use Plug in the probe that is best suited for your application see Figure 2 above for probe selection The temperature humidity probes are plugged into the socket located on the top of the indicator Be sure to line up the keys on each connector before plugging in the probe 3 3 How To Switch From F C 1 Remove 2 back cover screws 2 Jumper pins 1 amp 2 for C pins 2 amp 3 for F 3 Put back lower case and tighten screws
12. cover handling and shipping time This ensures that OMEGA s customers receive maximum coverage on each product If the unit should malfunction it must be returned to the factory for evaluation OMEGA s Customer Service Department will issue an Authorized Return AR number immediately upon phone or written request Upon examination by OMEGA if the unit is found to be defective it will be repaired or replaced at no charge OMEGA s WARRANTY does not apply to defects resulting from any action of the purchaser including but not limited to mishandling improper interfacing operation outside of design limits improper repair or unauthorized modification This WARRANTY is VOID if the unit shows evidence of having been tampered with or shows evidence of being damaged as a result of excessive corrosion or current heat moisture or vibration improper specification misapplication misuse or other operating conditions outside of OMEGA s control Components which wear are not warranted including but not limited to contact points fuses and triacs OMEGA is pleased to offer suggestions on the use of its various products However OMEGA neither assumes responsibility for any omissions or errors nor assumes liability for any damages that result from the use of its products in accordance with information provided by OMEGA either verbal or written OMEGA warrants only that the parts manufactured by it will be as specified and free of defects OMEGA MAKES N
13. ction Approx 190 g 6 7 oz with memory function Temperature 10 to 60 C 14 to 140 F Relative humidity 0 to 100 RH Temperature 0 15 C at 0 C 0 15 0 002 t C t Measured temperature C Relative humidity 3 RH at 25 C 0 to 90 RH Relative humidity 1 RH Reference 25 C per 10 C Without filter Approx 1 minute 90 response With filter Approx 3 minutes 9076 response Temperature Platinum resistance thermometer JIS Class A Humidity Capacitance type high polymer film Standard 1m 3 Maximum 5m 16 RH31 1 Approx 60 g 2 1 oz RH31 2 Approx 70 g 2 5 oz RH31 3 Approx 100 g 3 5 oz 14 HUMIDITY CALIBRATION KIT The OMEGA RH30 CAL Humidity Calibration Kit is needed to perform the humidity calibration of the RH31 Indicator and RH31 1 RH31 2 Probe assembly The Calibration Kit consists of two salt chambers held in a styrofoam base One chamber contains a saturated salt solution of Lithium Chloride to simulate 11 relative humidity The other chamber contains a saturated salt solution of Sodium Chloride to simulate 75 RH The RH31 3 cannot be field calibrated No adapters are available INSTRUCTIONS TO DISASSEMBLE THE HUMIDITY PROBES The potentiometer pots necessary for the humidity calibration procedures are located in the RH31 1 RH31 2 probes Each probe is slightly different thus disassembly will vary Perform the follow ing procedures while referring to
14. e 5 shows an example of the wet bulb temperature indication This display turns to RH indication when pressing the CLEAR key For finishing the measurement press ON OFF key The power off function is set automatically when turning on the power supply next KEY OPERATION METHOD WHEN THE UNIT IS PROVIDED WITH A MEMORY FUNCTION Data Collection 1 Present time setting Display flickers when pressing WRITE key Year flickers when pressing READ key and it advances stepwise each time READ key is pressed once When a desired Year has been displayed press the WRITE key to define the year For Month Day Hour and Minute press READ key until they reach a desired value respectively and press WRITE key to define them By pressing CLEAR key the setting returns to the last one 2 Setting of the data collection start time Set the data collection start time After setting the present time display flickers Year flickers when pressing READ key and it advances stepwise each time READ key is pressed once When a desired Year has been displayed press the WRITE key to define the year For Month Day Hour and Minute press READ key until they reach a desired value respectively and press WRITE key to define them By pressing CLEAR key the setting returns to the last one Set the reservation time ahead from the present time without fail 3 Collection and stop When the rese
15. e unit The humidity sensor is an electrostatic capacitance type polymer film and the temperature sensor is a platinum resistance RTD A calibration kit part number RH30 CAL is also available for recalibrating the RH31 Indicator and RH31 1 General Purpose Probe Obtain new sensor if temperature humidity sensor has become defective No adjustment is necessary after exchange because the sensor is interchangeable If the response time is delayed in the general type sensor remove the cap from the sensor tip and remove the filter Screw in the cap as before after removing the filter In this case the sensor is apt to be contaminated with dust or the like and its service life may shorten The battery assembled at the delivery time from the factory is used for test so that its life may be shorter than the nominal value Power auto off function A power auto off function is provided and the battery life is longer than 400 hours in continuous use at normal temperature The RH31 RS232 has a memory function and is also able to collect up to 1500 points of data temp humidity The measuring interval is 10 minutes Temperature humidity sensor exchange The temperature humidity sensor is interchangeable and it can easily be replaced if it has been broken or it has deteriorated Handling of temperature humidity sensor Handle this precise unit carefully so as not to drop or strike it otherwise a trouble may occur This unit is not water p
16. elivery time from the factor and it is employable as it is However the battery life is not guaranteed due to the use for test If the battery shortage mark is indicated replace the battery For the method of replacing the battery refer to Maintenance 2 Sensor connection Connect the sensor securely to the circular connector at the upper part of the indicator while taking care of the sensor correction direction Measurement Display appears by pressing the ON OFF key after the unit has been ready for measurement The power supply turns off automatically about 3 minutes after the last key operation has been finished For canceling the auto off function press ON OFF key together with the CLEAR key when the power supply is turned off In this case a confirmation chime sounds three times After several seconds the sensor number is displayed as shown in 2 Note The display number may change from 01 to 09 according to the kinds of sensor etc However it does not affect any measurement at all After several seconds a measured temperature value is indicated in the upper column while a measured humidity value is indicated in the lower column as shown in 3 The initial value of the humidity unit shows a relative humidity It changes in the order of RH relative humidity C F dew point gt C F flickering wet bulb temperature gt RH gt 4 shows an example of the dew point indication whil
17. ng the numeric stepwise when setting the present time or data collection time Press this key when transmitting collection data to the personal computer WRITE Press this key for switching the setting items such as year month day hour and minute when setting the present time and data collection time TROUBLESHOOTING Symptoms Check contents No display appears Problem 1 Are the indicator and temperature humidity sensor connected to each other securely Check Has the battery life come to an end Check Is the battery set correctly Check Display remains unchanged Problem 2 Is the HOLD key pressed C F flickers in this case Check Measured values are abnormal Problem 3 Is the unit correct Check Bar display appears in the upper column Problem 4 Over range Bar display appears in the lower column Problem 5 Under range 10 4 Sample program Prepare a data file in advance 1 In case of N88BASIC A hard disc is used 60 232 C CIRCUIT 110 DATA STORAGE 2 In case of N88BASIC a floppy disc is used 80 232 C Circuit 100 FOR A 0 TO 50000 SELECT THE FINAL VALUE TO CONFORM TO PC 200 DATA STORAGE 220IF 120 THEN PRINT COMMUNICATION IS IMPOSSIBLE END Communication Protocol for RH31 RS232C Start Stop System 3 line system Talk only Transmission Speed 1200 bps Start bit 1 bit Data Length 8 bits Stop bit 1 bit Character code ASCII code Data transmi
18. on joint Connect the exclusive temperature humidity sensor to top of unit 2 AM PM indication Note Indicated when the present time or preset data collection time is set 3 Battery shortage indication The battery shortage mark lights when the battery life comes to an end 4 ON OFF key Turns on and off the power supply The power auto off function is reset by CLEAR key ON OFF key 5 HOLD key Press this key when holding a measured value 6 READ key Note Press this key when transmitting data to a personal computer 7 WRITE key Note Press this key when setting the preset time or preset data collection time or when transmitting date to a personal computer 8 Measured temperature value and unit Indicates the measured temperature value and unit C or F 9 Measured humidity value and unit Indicates the measured humidity value and unit RH relative humidity C C F dew point C F flickering wet bulb temperature 10 CLEAR key Press this key when resetting the indication setting hold humidity unit selection 11 Unit indication mark Indicates the displayed humidity measuring unit RH relative humidity C F DP lighting Dew point C F WB flickering Wet bulb temperature 12 SEL key Press this key when changing the measuring unit of humidity OPERATION METHOD Preparation for measurement 1 Assembly of battery The battery is assembled at the d
19. roof Don t dip it into water or moisten it SECTION 6 SPECIFICATIONS RH31 METER Measuring range Accuracy rating Temperature coefficient per 10 C Display Resolution Memory function Communications Interface Working temperature range Working humidity range Power Voltage Battery life Weight RH31 SENSORS Measuring range Accuracy rating Temperature coefficient Response Sensor element Cable length Weight with 1m of cable Temperature 10 to 60 C Relative humidity 0 to 100 RH Temperature 0 1 of measured value 0 2 C Relative humidity 0 1 of measured value 0 2 RH Dew point temperature 1 0 C Wet bulb temperature 40 8 C at temperature 25 C and relative humidity 50 RH Temperature 0 2 of measured value 0 1 C Relative humidity 0 276 of measured value 0 1 RH 3 2 digits LCD Liquid crystal digital display Temperature relative humidity dew point temperature wet bulb temperature unit battery shortage mark Temperature 0 1 C 0 1 F Relative humidity 0 1 RH Data 1500 data each of temperature and humidity Content Temperature humidity Measurement Time Interval 10 minute RS 232C with communication cable 0 to 50 C 32 to 122 F 0 to 85 RH no dew condensation is allowed Exclusive lithium battery 1 piece 7 2 Vdc Approx 400 hours at normal temperature and humidity Approx 180 g 6 3 oz without memory fun
20. rvation time has been set the confirmation chime sounds After about 3 minutes the display appears and the data collection is started from the reservation time For stopping the data collection press ON OFF key to display the measured value and then press the CLEAR key When the data collection start time has already been set data collection is executed at the preset time even if the power supply is turned off 4 Memory Data can be collected by temperature humidity x 1500 Data collection is stopped when the memory capacity is fully filled with data The measuring interval is fixed to 10 minutes If data collection was interrupted halfway past data are valid but subsequent old data become invalid Preset 1000 data are valid but the 500 data collected last become invalid 4 2 RS232 Communications DATA READ 1 Connection to personal computer Prepare an NEC PC98 series personal computer Connect RH31 to the personal computer by using the attached cable Attached RS 232C cable Personal computer 2 Setting of personal computer Set RS 232C of the personal computer as follows Transfer speed 1200 bps Character length 7 bits Parity None Stop bit 2 bits X parameter None 3 Data read and stop Data are transmitted to the personal computer by pressing the READ key In this case data are transmitted in the units of humidity selected by SEL key Data read is stopped by pressing CLEAR key Read data
21. ssion Procedure Non procedure RH31 RS232C does not have any communication formats because this output measuring data at a stroke 5 Maintenance For cleaning it wipe it off with a dry soft cloth without fail Never use benzene thinner or the like otherwise a color change deformation deterioration of sensor or other troubles may occur Storage of temperature humidity sensor For storing the sensor for a long time seal it into a clean vinyl bag together with a desiccant like silica gel and store it at a cool dark palce Filter exchange The general type temperature humidity sensor RH31 1 filter can be replaced if it has become dirty Remove the cap from the sensor tip by turning it counter clockwise and draw out the filter carefully to as not to damage the sensor Insert new filter with due care so as not to damage the sensor and screw in the cap Measurement in a very wet atmosphere and moistening In a very wet atmosphere of higher than 90 RH dew may be formed due to a slight drop of the ambient temperature Even if dew is formed on the humidity sensor no characteristic change occurs However it may cause an abnormal measured value If dew has been formed on the sensor dry it at 60 to 70 C for about one hour in a thermostatic oven or the like Don t dry it up abruptly It takes longer than 12 hours to dry up the sensor at room temperature 9 SECTION 4 OPERATING INSTRUCTIONS 4 1 Display Codes 1 Connecti
22. the corresponding steps pictured in the Figure for your particular probe type RH31 HUMIDITY TEMPERATURE ADJUSTMENT 1 Please have RH30 Kit which OMEGA Engineering provide 30 RH 2 Potential meter for adjustment is located about middle of handle portion of probe Only 1 potential meter 3 As on Fig 3 and 4 remove label covering potential meter Remove VR Label i Fig 3 RH31 1 Probe Remove Label VR Fig 4 RH31 2 Probe 4 Enter probe to calibration kit 5 Turn potential meter to meet calibration kit reading Once display is same or close to calibration kit adjustment is done 6 No calibration for temperature 13 Figure 1 RH31 and RH31 1 RH31 2 RH31 2 Probes SECTION 2 UNPACKING Remove the packing list and verify that all equipment has been received If there are any questions about the shipment please call the OMEGA Customer Service Department at 1 800 622 2378 Upon receipt of shipment inspect the container and equipment for any signs of damage Take particular note of any evidence of rough handling in transit Immediately report any damage to the shipping agent NOTE The carrier will not honor any claims unless all shipping material is saved for their examination After examining and removing contents save packing material and carton in the event reshipment is necessary Please note that the following items are in the box RH31 INDICATOR RH31 Temperature Humidity Indicator 9
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