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Hi, I am Businessman I found this sample from https://www.indotrade.co and think it might be useful to you. ------------------------------------------------------- HIOKI 3639-20 PULSE LOGGER Pulse Totalizer for Hygrometers, Flowmeters and Powermeters : * Accumulates up to 9, 999 counts * Noise filtering to minimize the possibility of miscounts * Alarm output provided ( with selectable threshold) * Up to 32, 000 measurements data can be collected with the optional 3911-20 for processing by PC * Special software bundled with the 3911-20 enables storing of the recording time, interval, start, end, method and comments in the instrument’ s memory * Non-volatile memory preserves collected data even when the battery is depleted Basic specifications : Measurement items : Pulse input * No-voltage input connection ( e.g., switch or relay) counts when contact across terminals changes from short to open * Voltage input: + 1.5 to 45 V high, 0 to 0.2 V low ( logic state is undetermined between 0.2 and 1.5 V) A count occurs when voltage level becomes high Input channels : 1 channel Measurement range : Display: 9, 999 counts/ interval, " OF" is displayed for 10, 000+ counts ( internal data is also " OF" ) Accuracy : ± 1 dgt. or better Data memory : 32000 data × 1ch ( 1-minute interval, total 22 days) Recording interval : 1 to 30 seconds, 1 to 60 minutes, 1 day, 16 settings Power supply : 4 x 1.5 V, LR03 ( AAA) alkaline dry cell batteries, lifetime approx. 3 months ( recording interval 10 minutes) Dimensions, mass : 57.5 mm( 2.26 in) W × 86.5 mm( 3.41 in) H × 30 mm( 1.18 in) D, 130 g ( 4.6 oz) Accessories : LR03 alkaline dry cell batteries ( 4) , CONNECTION CABLE 9629 ( for measurement input, 1) , CONNECTION CABLE 9632 ( for alarm output, 1) For detailed information, please go to http://www.indotrade.co/karuniamakmur/2525383
0.0078 194.163.150.105