DAVIS UV Sensor Скачать руководство пользователя страница 16 | Manualshive

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DAVIS UV Sensor Скачать руководство пользователя страница 16

Product Numbers: 7841, 7843, 6490

Davis Instruments Part Number: 7395.095
UV Sensor, Standard, Industrial, & Vantage Pro versions
Rev. C Manual (1/12/01)

This product complies with the essential protection requirements of the EC EMC
Directive 89/336/EC.

Copyright ©2000 Davis Instruments Corp. All rights reserved.

T

ECHNICAL

S

UPPORT

Before calling Technical Support (510) 732-7814 regarding a problem with your
sensor, carefully check all cable connections from the sensor to the console.
Cable connections account for a large portion of the potential problems. Con-
nections should be firmly seated in the jacks and plugged in straight. If you
think a connection may be faulty, try jiggling the cable while looking at the dis-
play. If a reading appears intermittently on the display as you jiggle the cable,
the connection is faulty.

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Содержание UV Sensor

Страница 1: ...y UV Exposure to UV should be minimized The sensor is made up of the following components Shield The outer shell shields the sensor body from thermal radiation and pro vides a path for convection cooling of the body minimizing heating of the sensor interior It provides a cutoff ring for cosine response a level indicator and fins to aid in aligning the sensor with the sun s rays Body housing the fo...

Страница 2: ... screw retainers Three wood screws One 8 32 x 3 4 19 mm machine screw One 8 32 hex nut One 8 flat washer One 3 16 5 mm cable clamp TOOLS AND MATERIALS NEEDED You may need some of the following tools and materials in order to complete your installation Please be sure you have everything you need before beginning Medium Phillips screwdriver Center punch or nail if mounting on wood surface Drill with...

Страница 3: ... getting a UV reading Consult the Health EnviroMonitor manual for instructions on displaying UV 3 Shade the sensor and make sure the reading drops Standard and Industrial Versions Installation 3 Testing the Sensor 3 Installing the Sensor 4 Typical Standard Installation 4 Typical Industrial Installation 5 Mounting on the Sensor Mounting Arm 6 Mounting on the Sensor Tilting Bracket 7 Mounting on a W...

Страница 4: ...e immediate effect on human health is of interest we recommend that you mount the sensor such that its axis is aligned with the sun s rays at solar noon This maximizes the mid day readings and provides what is probably a more accurate measure of the UV that people are exposed to The Sensor Tilting Bracket 7706 is designed for this purpose Typical Standard Installation The illustration below shows ...

Страница 5: ...ions Installation Page 5 Typical Industrial Installation The illustration below shows typical industrial UV installation The sensor cable attaches to connector S3 on the sensor interface module SIM TYPICAL INDUSTRIAL INSTALLATION ...

Страница 6: ...rm if desired 2 Place the shield onto the body as shown below PLACING SHIELD ONTO BODY 3 Place a flat washer over the end of each screw and insert it into the body 4 Place a spring over the end of each screw and hold the springs in place using a 6 screw retainer 5 Secure the sensor to the mounting arm by driving the screws into the appropriate holes as shown below MOUNTING THE UV SENSOR ON THE SMA...

Страница 7: ...using the 3 16 cable clamp 8 32 x 3 4 screw 8 hex nut and 8 flat washer as shown below SECURING SENSOR CABLE Mounting on the Sensor Tilting Bracket Follow the instructions below to mount the sensor on the Sensor Tilting Bracket Do not install the bracket onto the mounting arm until instructed to do so below 1 Route the sensor cable through the large hole in the bracket if desired 2 Place the shiel...

Страница 8: ...NSOR ON THE SENSOR TILTING BRACKET 6 Position the Sensor Mounting Arm so it is pointed in the direction of the sun at solar noon Solar noon occurs halfway between sunrise and sunset consult your local paper or the WeatherLink software for sunrise and sunset times To correctly align the arm screw a mounting screw part way into any of the sensor s screw posi tions on the mounting arm and rotate the ...

Страница 9: ...e levelling screws When pointed directly at the sun the shadows from the alignment fins should appear as shown in the illustration below FINAL SENSOR POSITIONING 9 Secure the sensor cable to the underside of the mounting arm using the 3 16 cable clamp 8 32 x 3 4 screw 8 hex nut and 8 flat washer as shown below SECURING SENSOR CABLE ...

Страница 10: ...face using a 7 8 22 mm drill bit so the bottom of the sensor can sit inside of it and the sensor cable can run to the other side 3 Route the sensor cable through the hole in the wood if desired 4 Place the shield onto the body as shown below PLACING SHIELD ONTO BODY 5 Place a flat washer over the end of each screw and insert it into the body 6 Place a spring over the end of each screw and hold the...

Страница 11: ...g Sensor Cable To prevent fraying or cutting of the cable where it is exposed to weather secure it so it doesn t whip about in the wind Use cable clips or weather resistant cable ties to secure the cable Place clips or ties approxi mately every 3 to 5 feet 1 to 1 6 m Do NOT use metal staples or a staple gun to secure cables Metal staples especially when installed with a sta ple gun have a tendency...

Страница 12: ...d It consists of several white plastic plates Accessing the SIM 1 Remove the wing nuts lock washers and flat washers 2 Remove the first three plates of the radiation shield You should now be able to see the SIM 3 Plug the UV sensor cable into the receptacle labeled UV on the SIM Hold the sensor body with white diffuser pointed upward Do NOT touch the diffuser If you do clean it after mounting See ...

Страница 13: ...les in the mounting shelf 4 Place a flat washer over the end of each screw and insert it into the body 5 Place a spring over the end of each screw and hold the springs in place using a 6 screw retainer 6 Secure the sensor to the mounting shelf by driving the screws into the appropriate holes as shown 7 Using the bubble level on the sensor as a guide adjust the sensor until it is level by tight eni...

Страница 14: ...ector base The cable needs to be wedged down into the notch so it will come up inside the rain collector cone when the cone is put back on 3 Route the cable down and out through the hole in the base Plug the cable into the receptacle labeled UV in the SIM to see how much slack will be left in the cable as you secure it inside the rain collector 4 In the rain collector base loop up the slack in the...

Страница 15: ...ld Consult the illustration on page 12 1 Slide the two open plates over the threaded studs 2 Slide the single closed plate over the threaded studs 3 Place a flat washer lock washer and wing nut over one of the studs Tip temporarily place a wing nut on one of the studs to hold the plates as you place washers and a wing nut on another stud 4 Finger tighten the wing nut 5 Repeat 3 and 4 until all thr...

Страница 16: ...NICAL SUPPORT Before calling Technical Support 510 732 7814 regarding a problem with your sensor carefully check all cable connections from the sensor to the console Cable connections account for a large portion of the potential problems Con nections should be firmly seated in the jacks and plugged in straight If you think a connection may be faulty try jiggling the cable while looking at the dis ...

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