■特點(FEATURES)
●精確度0.01%滿刻度 (Accuracy 0.01% F.S.)
●可量測 交流頻率/直流脈波頻率
 (Measuring AC Frequency,Pulse(TTL,CMOS) Frequency)
●最大輸入頻率 50KHz(Accepts input rates up to 50KHz)
●小數點位置可任意規劃(Decimal point can be modified)
●尺寸小,穩定性高(Dimension small and High stability)

2:SPECIFICATION (主要規格)
●  Measuring accuracy          : 0.01% F.S. (23 ±5℃)
  ( 精 確 度 )
●   Sampling time               : 10 cycles/sec. (>10Hz)
  ( 取樣時間 )                        f   cycles/sec. (<10Hz)
●   Input impedance            : >2M ohm or more
  ( 輸入阻抗 )
●   Max. input over                 : 1.5 x rated continuous
  ( 過載能力 )                        2 x rated 30 seconds
●   Over input indication         : " doFL "
  ( 過載顯示 )
●   Readout range                  : 0-99999 digit adjustable
  ( 顯示值範圍 )
●   Parameter setting              : Touch switches
  ( 參數設方式 )
●  Display                           : Red high efficiency LEDs high 14.22mm (.56"
  ( 顯示幕 )
●  Dielectric strength          : 2KVac/1 min. (input/power)
  ( 絕緣耐壓能力 )
●   Surge test                         : ANSI C37.90a/1974, DIN-IEC255-4
  (突波測試 )                        impulse voltage 4KV (1.2 x 50us)
●  Operating condition        : 0-50℃(20 to 90% RH non-condensed)
  ( 使用環境條件 )
● Storage condition           : 0-70℃(20 to 90% RH non-condensed)
  ( 存放環境條件 )
● CE EMC Certification        : EN 55022:1998/A1:2000 Class A
  ( CE認證 )                                          EN :2000
                                                 EN :1995/A1:2001
                                                 EN 55024:1998/A1:2001