一、技術指標
★測量範圍:1.2∼225mm(steel)
★測量範圍:1.2∼225mm(鋼)
★測量誤差:±(1%H+0.1)mm
★管材測量下限:Φ20*3mm(steel)
★管材測量下限:Φ20*3mm(鋼)
★聲速調節範圍:1000∼9999m/s
★工作頻率:5MHZ
★工作溫度範圍:0∼45℃
★自動校準零點功能:√
★數據存儲功能:√
★自動關機功能:√
★低電指示:3V±0.2V
★電源:3*AAA NI-Cd or NI-Hm Battery
One, technical indicators
★measuring range: 1.2∼ 225mm ( steel )
★measuring range: 1.2 ~ 225mm ( steel )
★measurement error:±( 1%H+0.1 ) mm
★pipe measuring lower limit:Φ 20*3mm ( steel )
★pipe measuring lower limit:Φ 20*3mm ( steel )
★velocity adjustment range: 1000∼ 9999m/s
★operating frequency: 5MHZ
★working temperature range: 0 ~ 45 ℃
Automatic calibration function: zero.
★data storage function:.
Automatic shutdown function:.
★low power indication: 3V ±0.2V
Source: 3*AAA NI-Cd or NI-Hm of Battery