| 测量范围 | 10Hz～2.5GHz（Hz） |
|
FC2500A 手持式频率计 | |||
|
顯示器 |
13mm(0.5")LCD，8位數液晶顯示器 | ||
|
測量功能 |
頻率、讀值鎖定，比較值，記憶(值、小值、平均值)週期 | ||
|
測量範圍 |
2500MHz |
50MHz～2500MHz(typical max. 2600MHz) | |
|
500MHz |
10MHz～500MHz. | ||
|
10MHz |
10Hz～10 MHz | ||
|
Period |
10Hz～10 MHz | ||
|
靈敏度(rms) |
2500MHz (range) |
50MHz～75MHz |
≦100mV |
|
76MHz～2500MHz |
≦50mV | ||
|
500MHz (range) |
10MHz～35MHz |
≦120mV | |
|
36MHz～350MHz |
≦50mV | ||
|
351MHz～450MHz |
≦120mV | ||
|
10MHz |
≦50mV | ||
|
Period |
≦50mV | ||
|
精確度 |
±(4PPM+1d)- 23±5℃,after calibration. | ||
|
時基線路 |
4.194 MHz quartz crystal. | ||
|
時基溫度係數 |
0.1PPM/per℃(typical,23±5℃). | ||
|
過載輸入 |
2500MHz & 500MHz range |
Max.5 V peak to peak. | |
|
10MHz & Period range |
Max.250 V peak to peak | ||
|
輸入接頭 |
BNC,female. BNC母座 | ||
|
外殼 |
堅固的ABS塑膠外殼 | ||
|
工作溫度 |
0℃～50℃(32℃～122℃). | ||
|
工作濕度 |
Max. 90% RH (0℃～35℃). | ||
|
電源供應 |
4×1.5 V AA(UM-3)battery. | ||
|
消耗電流 |
2500MHz & 500MHz range |
Approx. DC 105mA. | |
|
10MHz & Period range |
Approx. DC 45mA. | ||
|
交流電壓轉換器 |
Optional, 9V DC,300 to 500 mA rating, central positive for socket. | ||
|
自動關機 |
自動關機及手動關機功能. | ||
|
尺寸 |
173×80×35 mm (6.8×3.1×1.4inch). | ||
|
重量 |
340 g/0.75 LB (including battery). | ||
|
標準附件 |
Instruction Manual.......1PC. | ||
|
選購附件 |
AT-20......Telescoping RF pick-up antenna with BNC connector. | ||
|
PB-21......Direct probe with BNC connector & alligator clip pairs. | |||
|
CA-03皮套 | |||
|
Table for Resolution & Sample Time | |||
|
測量範圍 |
時間選擇 |
解析度 |
取樣時間 |
|
2500MHz |
FAST快速 |
1000Hz |
0.5 SEC |
|
SLOW慢速 |
100Hz |
2.75 SEC | |
|
SLOW(select 1) |
200Hz |
1.5 SEC | |
|
SLOW(select 2) |
500Hz |
0.75 SEC | |
|
500MHz |
FAST |
100Hz |
0.75 SEC |
|
SLOW |
10Hz |
6 SEC | |
|
SLOW(select 1)慢速(選擇1) |
20Hz |
5 SEC | |
|
SLOW(select 2)慢速(選擇2) |
50Hz |
1.5 SEC | |
|
10MHz |
FAST |
10Hz |
0.5 SEC |
|
SLOW |
1Hz |
1.25 SEC | |
|
SLOW(select 1) |
0.2Hz |
6 SEC | |
|
SLOW(select 2) |
0.1Hz |
11 SEC | |
