e e a a s s y y t t o o c c l l a a m m p p ! ! n n o o n n - - f f u u s s e e t t y y p p e e ! ! m m u u l l t t i i f f u u n n c c t t i i o o n n ! ! = peak value/ rms value = 18.99 a/6.35 a = 2.99 current waveform of the inverter (primary side) a peak auto b 3 2 1 0 hold aps peak value crest factor c.f. auto adj b 3 2 1 0 hold mon aps crest factor mean value method 3261 true rms method 3281/3282 a normal a rms auto 3 2 1 0 hold mon aps the mean value is 40% lower than the true rms true rms peak value peak value b b b b e e e e a a a a t t t t s s s s d d d d i i i i s s s s t t t t o o o o r r r r t t t t e e e e d d d d w w w w a a a a v v v v e e e e f f f f o o o o r r r r m m m m field measuring instruments digital clamp on hitester 3282 (1000a ac, 46mm max.) 3281 (600 a ac, 33mm max.) hioki company overview, new products, environmental considerations and other information are available on our website. http://www.hioki.co.jp/ cat iv 600v actual-size 3281 cat iv 600v
specifications option 9462 thermister temperature probe measurable conductor diameter: 3282 ; ?6mm max. 3281 ; ?3mm max. operatable locations: up to 2000 m above sea level operatable temperature and humidity range: 0?c to 40?c, 80%rh or lower auxiliary functions: recording (for v, a, hz measurements displays maximum value (max), minimum value (min), and average value (ave)), data hold (holds display), auto power off (approx. 10 minutes, buzzer sounds just before power is turned off, can be extended or cancelled) display refresh rate: digital display fast; approx. 4 times/second, normal; approx. 2 times/second , slow; 1 time/ 3 seconds, bar graph display approx. 4 times/second frequency characteristic: 40hz to 1khz effect of conductor position: at any position based on the center of the core 3281 ; within 4.0%, 3282 ; within 1.0% effect of external magnetic field: in an external magnetic field of 400 a ac/m 3281 ; 1.5a max. 3282 ; 0.2a max. circuit dynamic: when performing full-scale input to the range 2.5 or less (600 a [ 3282 is 1000 a ] , 600 v range is 1.7 or less) maximum useable circuit voltage: 600 v rms (insulated conductor) standards applying: safety en61010-1:2001 pollution degree 2 over voltage category iv (predicted transitory excess voltage 8000 v), en61010-2-031:2002, en61010-2-032:1995 emc en61326:1997 +a1:1998+a2:2001 voltage resistance: case-input terminal, between clamp cores 6.68 kv ac for 15 seconds power supply: layered magnesium battery (6f22) ? 1, 45 hours or less (continuous use) dimensions /mass: 3281 ; approx 62w ? 218h ? 39dmm,350g 3282 ; approx. 62w ? 230h ? 39dmm, 400 g 9462 thermister temperature probe (optional) measuring range: -50 to 150?c/-58 to 302?f measuring accuracy: -50 to 50 ?c 3?c/50 to 100?c 4?c/100 to 150?c 5?c note: the temperature accuracy given above is only the accuracy for the temperature probe. 2%rdg. 2?c(?f) is added for the actual accuracy of the 3281/3282 themselves. cord length approx 1.2 m the hand strap not only prevents the device from being dropped when working, but also effectively imparts strength when parting crowded wiring to clamp. designed for ease of use on the site ! 3281 digital clamp on hitester 3282 digital clamp on hitester (all include 9207-10 test lead, 9399 carrying case and hand strap ) danger 1. in order to prevent short-circuits and injury, use the clamp product on electrical circuits with a voltage less than the maximum operation circuit voltage. 2. in order to prevent short-circuits and injury when the clamp core tip is open, do not use bare conductors. ! inspect the unit and check that it is operating correctly before use. when carrying out measurement on live lines, wear proper protective gear, insulating rubber gloves, insulating rubber boots and safety helmet, and use extreme caution to avoid electric shock accidents. warning the hand strap fits the device neatly to the hand ! function mode range accuracy maximum permissible input ac current a rms effective value 30.00 1.0%rdg. 0.7%f.s. (40 to 1 khz) 600a rms continuous 1700a max. 300.0 1.0%rdg. 5dgt. *1 (45 to 66 hz) 1000 [600] 1.0%rdg. 5dgt. *1 (45 to 66 hz) [ 1.0%rdg. 5dgt. *1 (45 to 66 hz) ] 1000a rms 5 minutes [ 600a rms continuous 1000a max. ] peak peak value 30.0 5.0%rdg. 5dgt. 600a rms continuous 1700a max. 300 3.0%rdg. 5dgt. 1000 [600] 3.0%rdg. 5dgt. [ 3.0%rdg. 5dgt.] 1000a rms 5 minutes [ 600a rms continuous 1000a max. ] ac voltage v rms 300.0/600 1.0%rdg. 3dgt. *2 (45 to 66 hz) 600v rms continuous 1000v max. peak 300/600 3.0%rdg. 5dgt. crest factor 1.00 to 5.00 10.0%rdg. 5dgt. effective in the voltage and current functions frequency hz 100.0 1000 0.3%rdg. 1dgt. (30 to 99.9 hz) 1.0%rdg. 1dgt. (95 to 1000 hz) resistance ? 1k/10.00k 1.5%rdg. 5dgt. overload protection : 600v rms open terminal voltage : 3.0v dc max . (resistance,continuity functions) temperature probe sold separately ? c -50 to 150?c 2.0%rdg. 2dgt. add the accuracy of the 9462 ? f -58 to 302?f continuity 1k ? buzzer sounds at 30 ? 5 ? or less *1. 40 to 45hz , 66 to 1khz 1.5%rdg. 5dgt. *2. 40 to 45hz , 66 to 1khz 1.5%rdg. 3dgt. measurement accuracy applies to input of at least 10% of the current, voltage and resistance range. display lcd, digital (3000 counts, 999 counts (peak) ), bar graph (35 segments) even if voltage is mistakenly applied to the resistance range, the internal excessive voltage protection element ( ptc thermister ) protects the circuits for up to 600 v ac. not fuse needed non-fuse type protects up to 600v ac auto-power off to conserve battery life prevents careless mistakes [ ] in the specification : 3281 23?c 5?c, 80% or less. the photograph is 3281 . 9207 -10 test lead lead length approx. 70 cm accessories 9399 carrying case cat iv 600v 3281e5-4zm-02u printed in japan all information correct as of dec.17, 2004. all specifications are subject to change without notice. head office : 81 koizumi, ueda, nagano, 386-1192, japan tel +81-268-28-0562 / fax +81-268-28-0568 e-mail: os-com@ hioki.co.jp hioki usa corporation : 6 corporate drive, cranbury, nj 08512 usa tel +1-609-409-9109 / fax +1-609-409-9108 e-mail: hioki@ hiokiusa.com distributed by shanghai representative office : 1704 shanghai times square office 93 huaihai zhong road shanghai, 200021, p.r.china tel +86-21-6391-0090, 0092 fax +86-21-6391-0360 e-mail: info@hioki.cn
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