Additel 273E Series, Руководство пользователя

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1.2.2 Signal measure specification (environmental temp.: 20±10
℃
, 1 year accuracy
Table 2 Signal measure specification
Specification Range Accuracy Resolution Note
Voltage Measurement
±300mV 0.015%RDG + 0.005%FS 1uV
Impedance: >100MΩ
±30V 0.015%RDG + 0.005%FS 0.1mV
Impedance: >1MΩ
Current Measurement ±30mA 0.015%RDG + 0.005%FS 0.1uA
Impedance: < 40Ω
Frequency
Measurement
0.01~50000Hz (auto range) 0.005% RDG + 2 last digit 6-digit auto-resolution
Min threshold voltage:
2.5V
Units: Hz, kHz, MHz, CPM, CPH, s, ms, us
Switch On-Off
Measurement
Inspection voltage: (3 ~ 30)V
Response speed: < 10ms, supports wet and dry switch
Pulse Count
0 ~ 9999999, optional rising edge and
falling edge Min threshold voltage: 2.5V
Loop Power
20V ± 10%, max output impedance: 320Ω, max load current: 25mA
Note 1
： When the environmental temperature is (-20~-10) °C, the temperature coefficient is:
(1) Measure of voltage, current
：
±5ppmFS/°C.
Note 2
：
Input characteristics:
(1) Voltage range
：
-
300~300mV input impedance >100 MΩ;
(2) Voltage range ：
-
30~30V input impedance >1MΩ;
(3) Current measure
：
input impedance <40Ω;
Note 3
：
Minimum threshold voltage for frequency and pulse measure
：
2.5V;
Note 4
：
The frequency measure supports following units: Hz, kHz, MHz, CPM, CPH,s, ms,
μ
s;
Note 5
：
There are rising edge and falling edge trigger mode available for pulse measure.