quick detection of flame from distance, compact uv sensor with high sensitivity and wide directivity, suitable for flame detectors and fire alarms. flame detectors for gas / oil lighters and matches fire alarms arson watch monitors combustion monitors for burners inspection of ultraviolet leakage detection of discharge ultraviolet switching information furnished by hamamatsu is believed to be reliable. however, no responsibility is assumed for possible inaccuracies or omissions. specifications are subject to change without notice. no patent rights are granted to any of the circuits described herein. ?010 hamamatsu photoni cs k.k. subject to local technical requirements and regulations, availability of products included in this promotional material may var y. please consult with our sales office. applications specifications flame sensor uvtron r9454, r9533 left: r9533 right: r9454 the uvtron r9533 and r9454 are ultraviolet on/off sensors that utilize the photoelectric effect from metal and gas multiplication. these devices are sensitive only to uv light in a spectral range of 185 nm to 260 nm. this makes them easy to use since they do not require optical visible-cut filters. their electrodes are optimized for ruggedness to resist mechanical shocks up to 10 times (10000 m/s 2 ) greater than the conven- tional uvtrons. the r9533 is a head-on type (uv light enters through the top of the bulb) that easily installs into equipment. the r9454 is a side-on type (uv light enters through the side of the bulb) whose outer appearance resembles the conventional flame sensor r2868. both these types utilize a plate cathode and feature high sensitivity and a wide field of view (directivity). general maximum ratings characteristics (at 25 c) 1 this is the maximum momentary current that can be handled if its full width at half maximum is less than 10 s. 2 if the tube is operated near this or higher, the service life is noticeably reduced. use the tube within the recommended curren t values. 3 measured under room illuminations (approximately 500 lux) and recommended operating conditions. note that these values may incr ease if the following environmental factors are present. 1. mercury lamps, sterilization lamps, or halogen lamps are located nearby. 2. direct or reflected sunlight is incident on the tube. 3. electrical sparks such as welding sparks are present. 4. radiation sources are present. 5. high electric field (inc luding static field) generates across the tube. 4 these are representative values for a wavelength of 200 nm and a light input of 10 pw/cm 2 . in actual use, the sensitivity will vary with the wavelength of the ultraviolet radiation and the drive circuitry employed. note: parameter parameter parameter spectral response window material weight supply voltage (dc) peak current 1 average discharge current 2 operating ambient temperature discharge starting voltage (with uv radiation) (dc) recommended operating voltage (dc) background 3 sensitivity 4 max. max. typ. approx. 2.5 185 to 260 uv glass r9533 approx. 1.5 r9454 400 -20 to +125 30 1 r9533 500 -20 to +60 r9454 280 350 25 10000 10 r9533 360 400 25 4000 r9454 unit nm g unit v ma ma c unit v v min -1 min -1
flame sensor uvtron r9454, r9533 figure 1: uv tron s spectral response and various light sources tpt b0009eb figure 2: angular sensitivity (directivity) tpt b0032ea r9533 r9454 tpt b0033ea 90 60 30 60 30 0 90 100 % vertical viewing (left figure) horizontal viewing (right figure) uv emission point 90 60 60 30 30 0 90 100 % 80 60 40 20 80 60 40 20 100 % 90 60 30 60 30 0 90 vertical viewing (left figure) horizontal viewing (right figure) uv emission point anode cathode anode cathode 90 60 60 30 30 0 90 100 % 80 60 40 20 80 60 40 20 200 300 400 500 600 700 800 900 100 wavelength (nm) relative sensitivity, relative intensity (arbitrary unit) 100 50 0 uvtron s spectral response sunlight gas flame tungsten light ultraviolet visible infrared
r9533 r9454 tpt a0036ec figure 3: dimensional outline (unit: mm) figure 4: recommended operating circuit tpt c0016ea 4.15 max. 6.4 1.0 10 2 14 max. 20 2 13.5 1.0 p.c.d. 7.9 0.1 14-25.71 cathode anode 8- 0.7 uv glass bulb anode cathode top view side view bottom view side view 9.0 0.5 8 1 24 1 8 1 20 max. 44 max. 4 1 cathode lead uv glass bulb anode anode cathode anode lead 12 max. lead: 0.65 0.05 cathode 5 10 32 min. a a' top view a a' cathode anode 1000 pf + supply voltage 220 pf 500 v 10 m ? 4.7 k ? * anode cathode pulse output 10 k ? * this 4.7 k ? resistor must be connected within 2.5 cm from the tip of the uvtron anode lead. i tacca0289ea e678-8f (sold separately) tpt a0035ea 24 18 2- 2.2 13 11 2.8 3.4 10
tpt 1019e05 jun. 2010 ip flame sensor uvtron r9454, r9533 hamamatsu photonics k.k., electron tube division 314-5, shimokanzo, iwata city, shizuoka pref., 438-0193, japan, telephone: (81)539/62-5248, fax: (81)539/62-2205 u.s.a.: hamamatsu corporation: 360 foothill road, p. o. box 6910, bridgewater. n.j. 08807-0910, u.s.a., telephone: (1)908-231-0960, fa x: (1)908-231-1218 e-mail: usa@hamamatsu.com germany: hamamatsu photonics deutschland gmbh: arzbergerstr. 10, d-82211 herrsching am ammersee, germany, telephone: (49)8152-375-0, f ax: (49)8152-2658 e-mail: info@hamamatsu.de france: hamamatsu photonics france s.a.r.l.: 19, rue du saule trapu, parc du moulin de massy, 91882 massy cedex, france, telephone: (3 3)1 69 53 71 00, fax: (33)1 69 53 71 10 e-mail: infos@hamamatsu.fr united kingdom: hamamatsu photonics uk limited: 2 howard court, 10 tewin road welwyn garden city hertfordshire al7 1bw, united kingdom, teleph one: 44-(0)1707-294888, fax: 44(0)1707-325777 e-mail: info@hamamatsu.co.uk north europe: hamamatsu photonics norden ab: smidesv ? gen 12, se-171-41 solna, sweden, telephone: (46)8-509-031-00, fax: (46)8-509-031-01 e-mail: info@hamamatsu.se italy: hamamatsu photonics italia: s.r.l.: strada della moia, 1/e, 20020 arese, (milano), italy, telephone: (39)02-935 81 733, fax: (39)02-935 81 741 e-mail: info@hamamatsu.it web site www.hamamatsu.com precautions for use ultraviolet radiation the uvtron itself emits ultraviolet radiation in operation. when using two or more uvtrons at the same time in close position, care should be taken so that they do not optically interfere with each other. vibration and shock these uvtrons passed iec 60068-2-6 (vibration test 3.0 mm peak to peak, 200 m/s 2 , 10 hz to 2000 hz) and iec 60068-2-27 (impact test 10000 m/s 2 , 1 ms). however, if subjected to strong mechanical shocks such as drop impacts in excess of the guaranteed values, the bulb may crack or internal electrodes may deform resulting in poor electrical characteristics. so use extreme care when handling the uvtron. polarity connect the uvtron at the correct polarity. reverse polarity connection will cause malfunction or breakdown. warranty the uvtron is covered by a warranty for a period of one year after delivery. the warranty is limited to replacement of any defective tube due to defects traceable to the manufacturer. uvtron driving circuit c10423, c10807 (sold separately) related products c10807 the c10423, c10807 are compact drive circuits. since the high-voltage power supply and signal process- ing circuit are mounted on the same printed circuit board, the c10423 operates as a flame sensor by just supplying a dc voltage (12 v to 24 v) and connecting an uv- tron . please use c10423 with r9454, c10807 with r9533. please note that the r9533 lead pins cannot be soldered directly to the c10807. a dedicated socket (e678-8f) must be used to make the connection. for more details, refer to the driving circuit catalog.
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