Additel 260Ex, User Manual

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10
1.2.2 Signal measure specification (environmental temp.: 20±10 ℃ , 1 year accuracy)
Table 2 Signal measure specification
Specification Range Accuracy Resolution Note
RTD Measurement
Accuracy
0~400Ω
0.01%RDG+0.005%FS[1]
1mΩ Excitation current: 1 mA
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) ℃ , the temperature coefficient is:
(1)Measure of voltage, current and RTD
：
±5ppmFS/ ℃ .
Note 2 ： Input characteristics:
(1) Voltage range
：
-300~300mV input impedance >100 M Ω;