技术细节
| 频带 |
0.4 - 400000 kHz |
| 温度测量范围 |
-200 - 1300 °C |
| 直流电压范围 |
0.04 - 1000 V |
| 交流电流范围 |
0.04 - 10 A |
| 连续性检查 |
Y |
| 数据保持 |
Y |
| 基本准确度（频率） |
±(0.01%+1d) |
| 直流电流范围 |
0.04 - 10 A |
| 分辨率（直流电流） |
0.1 µA |
| 交流电压范围 |
0.4 - 750 V |
| 背光 |
Y |
| 阻值范围 |
400 - 400000000 Ω |
| 分辨率（频率） |
0.01 Hz |
| 分辨率（温度） |
0.1 °C |
| 基本准确度（直流电压） |
±(0.06%+8d), ±(0.06%+2d) |
| 基本准确度（交流电压） |
±(0.70%+5d) |
| 基本准确度（交流电流） |
±(0.80%+8d) |
| 基本准确度（直流电流） |
±(0.20%+4d) |
| 基本精度（电阻） |
±(0.30%+2d), ±(0.60%+2d) |
| 基本精度（电容） |
±(0.90%+2d) |
| 分辨率（直流电压） |
0.1 mV |
| 容量范围 |
4 - 10000000 nF |
| 分辨率（交流电压） |
0.1 mV |
| 电阻分辨率 |
0.01 Ω |
| 分辨率（交流电流） |
0.1 µA |
APPA 305, 40mV - 1000V, 40mA - 10A, 4nF - 10mF
Beep Guard
This system warns the user by means of a powerful whistle when he tries to perform a measurement that is not allowed e.g. a voltage measurement while the meter is set to a current measuring range.
- 80-segments analogue bargraph display with zoom and centre zero function
- auto calibaration
- auto hold
- auto fuse detector
- Beep Guard™
- continuity check/beeper
- diode test
- hazard warning
- HI/LO limits
- low voltage ohms
- memory store and recall
- true RMS (AC, AC/DC)
- water and dust resistant
- zero reference
- 600V high-energy fuse
- holster and stand
- EL backlight
- peak hold circuit (0.5ms)
- RS232 phototronic serial port
- RS232 cable
- DC voltage: 40mV ~ 1000V
basic accuracy: 40mV ±(0.06%+8d) / 400mV, 4V, 40V 400V 1000V ±(0.06%+2d)
resolution: 0.1µV (40mV range)
- AC voltage: 400mV ~ 750V
- basic accuracy: ±(0.70%+5d) @ 4V range with 40Hz~100Hz
- resolution: 0.1µV (40mV range)
- frequency range: 40Hz~100kHz
- DC current: 40mA ~ 10A
- basic accuracy: ±(0.20%+4d)
- resolution: 0.1µA (40mA range)
- AC current: 40mA ~ 10A
- basic accuracy: ±(0.80%+8d)
- resolution: 0.1µA (40mA range)
- resistance: 400Ω ~ 40MΩ
- basic accuracy: ±(0.30%+2d) @ 400Ω ~ 400KΩ / ±(0.60%+2d) @ 4KΩ ~ 400KΩ low voltage
- resolution: 0.01Ω (400Ω range)
- capacitance: 4nF ~ 10mF
- accuracy: ±(0.90%+2d) @ 4nF~4µF
- resolution: 1pF (4nF range)
- frequency: 400Hz ~ 400MHz
- basis accuracy: ±(0.01%+1d) @ 40Hz~1MHz
- resolution: 0.01Hz (400Hz range)
- temperature: -200°C ~ +1300°C
- basic accuracy: ±(1°C+2d) @ -50°C ~ +1200°C
- resolution: 0.1°C
- overrange: "OL"
- continuity buzzer
- diode test: 1.1mA
- low-battery indication
- ranging mode: manual or automatic
- data hold
- backlight
- dimensions: 90 x200 x 42mm
- weight (with battery): ± 650g (incl. holster)
- power supply: 1 x E-block 9V battery (incl.)
- accessories: protective holster with stand / test leads / test clips / 9V alkaline battery (installed) / manual / temperature adapter / K-type bead sensor / RS232 cable / APPA WinDMM 300 software
- auto power-off: 30 min (configurable)
