26
INTAB Interface-Teknik AB
6
TECHNICAL SPECIFICATIONS
6.1
ANALOG CIRCUITS
Measuring method :
Successive approximation
11 bits + sign
Measurement interval : Off-line :
Min 1 ms per channel.
Max 1000ms
On-line :
Min NA
Max 1000ms
Inputs :
8 differential inputs
Impedance:
Max overvoltage :
Max overcurrent :
(20mA range)
min 400k
Ω
betw. + and -
min 5M
Ω
betw. + and GND
and betw. - and GND
Current inputs are shunted by
51
Ω
30V
80mA
Ranges :
(Factory set or
programmable)
Voltages :
Current :
+/- 50mV
+/- 100mV
+/- 1000mV
+/- 10V
+/- 20mA
Dynamic range :
(No of divisions)
Min. +/- 1800 divs. on all ranges
Resultant resolution :
50mV range
100mV range
1000mV range
10V range
20mA range
+/-30
µ
V
+/-55
µ
V
+/-0.55mV
+/-5.5mV
+/-11
µ
A
Uncertainty : @ 25°C
(all ranges)
0.25% of FSR
Tempco : offset drift
