Checkline MK-720 - Manual (Page 31)

（hapter 5 ８pe“ifi“ation
◆ 5.1. Har”ware ８pe“ifi“ations
Imputting part
Sensor type Piezoele“tri“ type
Sensing “enter frequen“y 40k－z
）ete“tion sensitivity
-63③3”B @30“m As sensor
）ire“tivity ③8
Laser pointer
Semi“on”u“tor laser ”io”e
1Mw (（lass 2 JIS （ 6802 an” IE（ 6825-1 Wavelength 650nm
Measuring part
Sampling frequen“y 1280－z
Number of sample ”ata 256 points
＋requen“y range 500－z
Resolution By 5－z
A/） “onversion 16bit
）ynami“ range 65”B an” over
Win”ow Re“tangular
Outputting part
）isplay STN liqui” “rystal ”isplay 128×64 ”ots
（ontents
）is“harge “omponent rate
（onverte” value in a“ousti“ pressure
Output
Buzzer (for alarming),
Earphone ja“k (Signal output terminal, 3.5mm O） mini ja“k
USB port for ”ata output USB mini B port
）ata storage
）is“harge “omponent rate, （onverte” value in a“ousti“ pressure (Maximum 500 re“or”s),
10 sets of waveform of envelope” ultrasoun”, ＋＋T spe“trums, an” top 10 ”ata
Other
spe“ifi“ations
Power sour“e
AA Alkaline ”ry battery X 4
・Automati“ power off after no operation for 5 minutes an” low battery
(un”er 4.2V)
Power “onsumption 1.2W
Battery life （ontinuous 8 hours at 0℃ to 50℃
Operating temperature /
humi”ity
0 - 40℃ 10 - 85% No “on”ensation
Storage temperature /
humi”ity
-10 - 50℃ 10 - 85% No “on”ensation
）imensions W 174 Ч － 268 Ч ） 98 (mm)
Mass
Approx. 400g
batteries are NOT in“lu”e”
◆ 5.2. ４utsi”e view
Trigger
Button 1,2
Buzzer
USB port Earphone ja“k