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B.7

INSTALLATION OF SENSING HEADS

The installation process for the GP Regular Head (GPR), GP Laser Sighting
Head (GPS) and GP Miniature Head (GPM) consists of the following:

• Preparation
• Mechanical Installation
• Electrical Installation

The most important part in the installation process is preparation. Please
read Section B.7.1, Preparation, thoroughly before proceeding with the
mechanical and electrical installation sections. Note that the Mechanical and
Electrical Installation sections for the GPR and GPM are divided as follows:

• Section B.7.2 covers the GPR/GPS Mechanical Installation
• Section B.7.3 covers the GPR/GPS Electrical Installation
• Section B.7.4 covers the GPM Mechanical Installation
• Section B.7.5 covers the GPM Electrical Installation

Aiming the sensing head is covered in Section B.7.6.

B.7.1

Preparation

Sensor location and configuration depends on the application. Before decid-
ing on a location, be aware of the ambient temperature of the location, the
atmospheric quality of the location, and the possible electromagnetic interfer-
ence in that location. If you plan to use air purging, you need to have an air
connection available. Also, wiring and conduit runs must be considered. The
following subsections cover topics to consider before you install the sensor.

B.7.1.1

Ambient Temperature

The GPR/GPS optical heads operate in ambient temperatures of 0 to 65°C (32
to 150°F). (Laser operates from 0 to 50°C (32 to 122°F.) In ambient conditions
above 65°C (150°F), an optional air/water-cooled housing is available, which
extends the ambient operating range to 120°C (250°F) with air cooling or
177°C (350°F) with water cooling.

The GPM optical head is designed to operate in ambient temperatures of 0 to
85°C (32 to 185°F). With the air cooling accessory, it can operate in ambient
temperatures up to 200°C (392°F).

Thermalert GP Series Operator’s Manual

57

www.

.com

[email protected]

1.800.561.8187

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Содержание Thermalert GP series

Страница 1: ...Thermalert GP Series Operator s Manual Raytek Infrared Temperature Measurement 58823 9 Rev C 11 2002 www com information itm com 1 800 561 8187...

Страница 2: ...ytek Japan Inc Phone 81 6 4390 5015 FAX 81 6 4390 5016 European Headquarters Raytek GmbH Berlin Germany Phone 49 030 47 80 08 0 FAX 49 030 47 10 25 1 Raytek UK Ltd Phone 441 908 630800 FAX 441 908 630...

Страница 3: ...isfaction that the product was defective The warrantor may at its option replace the product in lieu of repair With regard to any instrument returned within two years of the original purchase said rep...

Страница 4: ...www com information itm com 1 800 561 8187...

Страница 5: ...f f f f f f f f f f f 8 2 3 5 Relay Accessory f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f 8 2 4 OPERATION f f f f f f f f f f f f f f f f f f f f f f f f f f f f f...

Страница 6: ...f f f f f f f f f f f f f f f f f f f f f f f f f f f 37 B 5 3 Adjustable Mounting Bracket Accessory f f f f f f f f f f f f f f f f 39 B 5 4 GPR GPS Head with Air Water cooled Housing f f f f f f f f...

Страница 7: ...f f 56 B 6 8 Options f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f f 56 B 7 INSTALLATION OF SENSING HEADS f f f f f f f f f f f f f f f f f f f f f f 57 B 7...

Страница 8: ...f f f f 65 C 2 TYPICAL EMISSIVITY VALUES FOR METALS f f f f f f f f f f f f f f f f f f 66 C 3 TYPICAL EMISSIVITY VALUES FOR NON METALS f f f f f f f f f f f f 68 APPENDIX D MOUNTING BRACKET ACCESSORY...

Страница 9: ...used as a panel meter for many applications Other settings allow the GP to act as a temperature monitor for Raytek fixed infrared sensors refer to Appendix B and for other temperature gathering device...

Страница 10: ...ut 0 5 or 4 C whichever is greater Response Time GPR GPS system 300ms GPM system 400ms All other inputs 200ms Display 4 digit LED Emissivity 0 10 to 1 09 adjustable in 0 01 increments H001 and H002 on...

Страница 11: ...o 700 C 40 to 1292 F N type 40 to 1300 C 40 to 2372 F R type 0 to 1750 C 32 to 3182 F S type 0 to 1750 C 32 to 3182 F T type 100 to 350 C 148 to 662 F Max loop impedance 350 2 setpoints output CMOS Le...

Страница 12: ...sible from potential sources of electro magnetic interference Complete the following steps to mount the GP monitor to a panel 1 Cut a hole 45 mm high by 92 mm wide 1 8 in by 3 63 in in the panel 2 Sli...

Страница 13: ...cure the rear cover to the back of the monitor Do not operate with rear cover removed because of electrical shock hazard 2 3 ELECTRICAL INSTALLATION 2 3 1 Terminal Block Layout The terminal block layo...

Страница 14: ...8 Signal Signal Shield TERMINAL NUMBER FUNCTION 0 5V 6 8 10 GND Shield 4 20mA Input TERMINAL NUMBER FUNCTION 4 20 mA TERMINAL NUMBER FUNCTION 15 16 Reset Ground External Reset Input TERMINAL NUMBER FU...

Страница 15: ...mage the monitor and void the warranty Make sure to unplug the unit before wiring devices or power 2 The unit be used in a closed cabinet to prevent electrical shock Refer to Section 2 4 2 for informa...

Страница 16: ...Digital Ground To Alarm or Controlling Device Two relays are necessary to take advantage of both setpoints Table 4 Output Connections TERMINAL NUMBER FUNCTION 11 12 13 14 Digital ground Setpoint 1 Di...

Страница 17: ...tes if the temperature measurement is in degrees F Fahrenheit For 0 5 volt and 4 20 mA devices that do not measure tempera tures C and F can both be turned off Thermalert GP Series Operator s Manual 9...

Страница 18: ...etpoints SP1 SP2 Peak Hold Valley Hold Averaging Ambient Temperature Compensation t amb Offset 0 10 1 09 in 0 01 increments H001 H006 0 4 According to sensing head device type 0 998 seconds 999 infini...

Страница 19: ...ress then release them both A display similar to Figure 6 appears The H will be followed by numbers designating the device type See Step 2 2 Press the and buttons to change the number on the display t...

Страница 20: ...05 If H004 or H005 are displayed press the button once to turn the deci mal Off or to set the location of the decimal on the display Use the follow ing as a guide d 0 Decimal turned Off d 1 Decimal lo...

Страница 21: ...8 Press the button again to be able to select the thermocouple input type Use the fol lowing as a guide TC1 J type thermocouple input TC2 K type thermocouple input TC3 E type thermocouple input TC4 N...

Страница 22: ...e not available through the GP monitor for these device types and thermocouples For H001 and H002 complete the following procedure to set emissivity 1 In temperature mode display press the button unti...

Страница 23: ...nge state when the target temperature or value exceeds the alarm value If a number 0 displays the Normally Low setpoint will change state when the target temperature or value is lower than the setpoin...

Страница 24: ...lower than the setpoint alarm value Note that the O and L indicators on the monitor are controlled by SP1 and SP2 The L lights when the input signal has fallen below either the SP1 or SP2 value and wh...

Страница 25: ...Display b 1 Trigger Signal High Output Normally Low SP1 DB Signal SP1 90 DB 5 GP Monitor Display b 2 Trigger Signal Low Output Normally High SP1 DB Signal SP1 90 DB 5 GP Monitor Display b 3 Trigger Si...

Страница 26: ...etpoint 1 parameters pressing the button will take you to Setpoint 2 When finished with Setpoint 2 if used pressing again takes you to the 4 20mA output setup indicator display To return to the temper...

Страница 27: ...output display Figure 12 displays 2 Press the button again and the current 4mA temperature displays 3 Press the and buttons to adjust the temperature value 4 Pressing the button again brings up the 20...

Страница 28: ...shows in the display Figure 14 2 Pressing the and buttons activates or deactivates C as a temper ature measurement unit If you select number 1 C is active if you select number 0 it is inactive See Ta...

Страница 29: ...be active at a time To set and activate complete the following steps 1 Press and hold the button and press the button and release them both The Peak Hold display appears Figure 15 2 Press the button...

Страница 30: ...button once more and the display shows the current Valley Hold value in seconds 6 Set the display by using the and buttons Note that 000 turns off Valley Hold 7 Press the button again and the Averagin...

Страница 31: ...t will reflect a certain portion of the surrounding energy and cause an erro neous temperature reading To avoid this error set in the average surround ing temperature and the microprocessor will autom...

Страница 32: ...ess the button until the temperature value mode displays 2 4 9 Display and Analog Output Offset To adjust and set the Display and Analog Output Offset applies to displayed temperature and all analog o...

Страница 33: ...re 20 Thermocouple Output 3 Press the and buttons to change the number on the display to the appropriate thermocouple output type Use the following as a guide 4 Press the button until the temperature...

Страница 34: ...g that Lockout has been activated To deactivate Lockout complete the following steps 1 Press the button once to get the emissivity adjustment display 2 Press the button the button 3 times then release...

Страница 35: ...OLUTION Thermalert GP Series Operator s Manual 27 3 0 MAINTENANCE Our customer service representatives are always at your disposal for ques tions regarding application assistance calibration repair an...

Страница 36: ...hest preset level as shown in the Table 8 Table 8 Fail safe Error Codes 20mA 4mA 4mA 4mA 4mA E111 E000 E444 E555 E666 Over instrument input range Under instrument input range Head disconnect Head ambi...

Страница 37: ...in Section 2 3 2 and the appropriate Power Connections wiring chart in Section 2 3 3 before continuing Figure A 1 shows you how to set up the Thermalert GP monitor for your particular sensing head or...

Страница 38: ...30 Thermalert GP Series Operator s Manual Figure A 1 Head and Input Setup www com information itm com 1 800 561 8187...

Страница 39: ...t GP Series Operator s Manual 31 Emissivity Not Adjustable for H003 H004 H005 H006 4 20mA outputs disabled if Thermocouple output enabled Figure A 2 Normal Functions www com information itm com 1 800...

Страница 40: ...32 Thermalert GP Series Operator s Manual Figure A 3 Advanced Functions www com information itm com 1 800 561 8187...

Страница 41: ...lert GP sensor models If you need to connect other Thermalert heads such as the Thermalert CI3 and TX use the wiring layout in Table B 4 For information on selecting head device types refer to Section...

Страница 42: ...d GPM Sensing Heads B 2 CONNECTING SENSOR HEADS AND INPUT DEVICES Table B 2 shows wiring connections for the GPR GPS and GPM sensing heads to the monitor For wiring connections for sensing heads or ot...

Страница 43: ...o the CI3 and TX when connected as described in Table B 3 and external power con nections are unnecessary Maximum power 24VDC 50mA Please note that sensing heads other than those listed above may need...

Страница 44: ...e fol lowing measurements when determining space requirements for installation The sensor is supplied with a fixed bracket and mounting nut It can also be mounted using a customer supplied bracket or...

Страница 45: ...being measured To determine spot size refer to the optical charts in Section B 5 10 Figure B 4 is a wiring diagram for the laser switching box The laser is Class 2 with an output power less than 1 mW...

Страница 46: ...630 670 nm CLASS II LASER PRODUCT AVOID EXPOSURE LASER RADIATION IS EMITTED FROM THIS APERATURE COMPLIES WITH CFR 1040 10 Figure B 3 Laser Sighting Head and Switching Box 4 6 1 2 4 3 5 7 1 Cap 2 Plas...

Страница 47: ...5 Fixed Mounting Bracket 48 119 4 75 94 3 75 56 REF 2 25 37 5 1 5 R 31 1 25 120 4 8 100 4 102 4 063 48 77 3 063 93 3 69 7 28 102 4 063 6 25 mm inches Figure B 6 Adjustable Mounting Bracket B 5 3 Adjus...

Страница 48: ...wo 1 8 NPT brass fittings Air flow should be 25 C 77 F at 2 8 liters sec 6 cfm with a pressure drop across the housing of 0 63 Kg cm2 9 PSID Water flow should be approximately 2 liters 0 5 gallons per...

Страница 49: ...unting bracket It must be screwed in fully Air flows into the 1 8 NPT brass fitting and out the front aperture Air flow should be a maximum of 0 5 1 5 l s 1 3 cfm Clean or instrument air is recommende...

Страница 50: ...or Accessory B 5 6 GPR GPS Right Angle Mirror The Right Angle Mirror accessory is used to obtain a perpendicular view of the object It is often used when space is limited or when you need to avoid exc...

Страница 51: ...ficult It can be used both with and without the Air Purge Collar but not with the Right Angle Mirror For best results first secure the sensor to the bracket using the mounting nut or Air Purge Collar...

Страница 52: ...optical thermal and physical specifications for the GPR and GPS B 5 8 1 Optical The optical charts indicate the nominal target spot diameter at any given dis tance from the sensing head Information in...

Страница 53: ...01 0 1 3 2 5mm 76mm GPR CLOSE FOCUS 30 1 Figure B 13 GPR Close Focus Optical Chart SPOT DIA in SPOT DIA mm 30 60 90 120 3000 2500 1520 2000 1000 0 0 DISTANCE SENSOR TO OBJECT mm DISTANCE SENSOR TO OBJ...

Страница 54: ...5 GPS Close Focus Optical Chart B 5 8 2 Thermal Temperature range 18 to 538 C 0 to 1000 F Spectral Response 8 to 14 microns Accuracy 1 of reading or 1 C 2 F whichever is with GP monitor greater 23 C 5...

Страница 55: ...d 0 to 65 C 32 to 150 F Temperature Range GPS head 0 to 65 C 32 to 150 F with air cooling 0 to 120 C 32 to 250 F with water cooling 0 to 177 C 32 to 350 F Note GPS head laser functions only up to 50 C...

Страница 56: ...with the unit Mounting nut supplied with the unit Cable 4m 13ft 8m 26ft high temperature cable 15m 49ft high temperature cable DC activated isolated Solid State Relay for DC voltages with minimum 0 1...

Страница 57: ...nted using the fixed or adjustable mounting bracket accessory or with a customer supplied bracket or pipe adapter Other acces sories and options are listed at the end of this section 17 67 28 1 1 M 12...

Страница 58: ...ir cooling hose to be installed without interupting the connections to the electronics The air cooling jacket may be combined with the air purging jacket Section B 6 4 or with the right angle mirror S...

Страница 59: ...of hose exposed to high ambient temperature and not the overall length of the hose 2 1 cubic feet per minute cfm Air Flow 60 L per minute 1 8 cfm Air Flow 40 L per minute 1 4 cfm Air Flow 20 L per min...

Страница 60: ...all the air purge jacket refer to Figure B 22 remove the sensor 1 and cable by disconnecting the cable from the electronics box Then open the Air Purge Jacket 3 4 and screw the white plastic fitting 2...

Страница 61: ...the Air Purge Collar if used and screwed in fully In dusty or contami nated environments air purging is required to keep the first surface mirror clean IMPORTANT When using the Right Angle Mirror adju...

Страница 62: ...d Information in the top half of each diagram is in inches or feet the bottom half is in metric units All optical diagrams within this manual assume 90 energy Figure B 24 is an optical chart for the 2...

Страница 63: ...15 C per C 0 15 F per F Response Time 400ms to 4 20mA output Thermal Shock 3 5 C at T 25 C 20 minutes B 6 6 3 Physical Dimensions Refer to Figure B 13 Weight 50 g 2 oz with 3 ft cable length Material...

Страница 64: ...de the following Fixed Bracket Adjustable Bracket Air Purge Jacket Right Angle Mirror T fitting Hose and Air Cooling Jacket B 6 8 Options A full range of options for various applications and industria...

Страница 65: ...ation depends on the application Before decid ing on a location be aware of the ambient temperature of the location the atmospheric quality of the location and the possible electromagnetic interfer en...

Страница 66: ...on the target will determine the mini mum and maximum working distance and the appropriate focus model The target must contain the entire sensor field of view The sensor must be posi tioned so the fie...

Страница 67: ...anges With a regular sensing head use solid or flexible conduit between the head and electronics box Check continuity to ensure a good connec tion of the conduit between the sensor head and electronic...

Страница 68: ...n the wire to the monitor s connec tors The GPS head uses a 7 pin DIN connector Be sure to allow space for mounting the GPS laser switch box If you are using a conduit adapter and conduit for the wiri...

Страница 69: ...d bare wires on the other end Once you have the sensor mounted run the cable to the monitor s terminals B 7 5 GPM Electrical Installation For proper operation this cable must be free of splices and co...

Страница 70: ...s all connections must be secure and power applied to the monitor If a temperature does not display press the but ton until it does Refer to Section 2 4 for operating instruction To aim the sensor com...

Страница 71: ...dampened in distilled water Do not scratch the surface For finger prints or other grease use any of the following Denatured alcohol Ethanol Kodak lens cleaner Apply one of the above to the lens Wipe g...

Страница 72: ...64 Thermalert GP Series Operator s Manual www com information itm com 1 800 561 8187...

Страница 73: ...ture can be established using a contact tem perature probe you may adjust the emissivity gain setting until the IR temperature reading agrees with the contact device reading 2 Cover a portion of the t...

Страница 74: ...hened 0 1 0 3 Brass Burnished 0 3 Oxidized 0 5 Copper Polished 0 03 Roughened 0 05 0 1 Oxidized 0 4 0 8 Haynes Alloy 0 3 0 8 Inconel Oxidized 0 7 0 95 Sandblasted 0 3 0 6 Iron Oxidized 0 5 0 9 Unoxidi...

Страница 75: ...l Emissivity Nickel Oxidized 0 2 0 5 Electrolytic 0 05 0 15 Platinum Black 0 9 Steel Cold Rolled 0 7 0 9 Ground Sheet 0 4 0 6 Polished Sheet 0 1 Oxidized 0 7 0 9 Stainless 0 1 0 8 Titanium Oxidized 0...

Страница 76: ...ized 0 8 0 9 Graphite 0 7 0 8 Carborundum 0 9 Ceramic 0 95 Clay 0 95 Concrete 0 95 Cloth 0 95 Glass Plate 0 85 Gravel 0 95 Gypsum 0 8 0 95 Ice 0 98 Limestone 0 98 Paint non al 0 9 0 95 Paper any color...

Страница 77: ...gh the bracket s opening so the bottom of the monitor rests on the bracket surface Make sure the gasket is in place See Figure D 1 Gasket Fixing Clamps 2 Tab Mounting Bracket Screws Hole Figure D 1 Mo...

Страница 78: ...d attach rear cover Figure D 2 Completing the Installation 4 You will need to attach wires to the monitor s terminals and attach the rear cover before mounting the bracket onto a surface Refer to the...

Страница 79: ...e inside edges Refer to Figure E 1 Once you cut the panel you can use this template as a frame to hide scratches or small voids on the panel that might have been created during the cutting process To...

Страница 80: ...72 Thermalert GP Series Operator s Manual www com information itm com 1 800 561 8187...

Страница 81: ...u ment Contact the manufacturer not NIST to order this option National Institute of Standards and Technology NIST NIST Certified Calibration Lab calibration in accordance with MIL STD 45662 and agains...

Страница 82: ...74 Thermalert GP Series Operator s Manual www com information itm com 1 800 561 8187...

Страница 83: ...perator s Manual 75 APPENDIX G CE CONFORMITY FOR THE EUROPEAN COMMUNITY This instrument conforms to the following standards EN50081 1 Emission Standard EN50082 1 Immunity Standard www com information...

Страница 84: ...76 Thermalert GP Series Operator s Manual www com information itm com 1 800 561 8187...

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