A&D RA3100 Omniace, Instruction Manual

Page: 154 / 176

12.Specifications - 12.3.Module Specifications
154 1WMPD4004444
12.3. Module Specifications
12.3.1. Two Channel Voltage Module (RA30-101)
Item Specifications
Number of input
channels 2 ch
Input connectors Insulated BNC
Input format Unbalanced input (insulation between channels and between channels and
chassis)
Coupling AC/DC/GND
Input impedance 1 MΩ ±1%
Measurement range
(RANGE) 100, 200, 500 mV
1, 2, 5, 10, 20, 50, 100, 200, 500 V (the measurement range is ±RANGE)
Measurement accuracy ±0.3% of RANGE (23°C±5°C, DC coupling, L.P.F. 3 Hz, after zero cancellation)
Temperature coefficient ±(400 ppm of RANGE)/°C (input conversion at 0.1 V RANGE)
Frequency
characteristics
DC coupling
AC coupling DC to 100 kHz (-3 dB to 1 dB) (with L.P.F. and A.A.F.
disabled)
0.3 Hz to 100 kHz (-3 dB to 1 dB) (with L.P.F. and A.A.F.
disabled)
Low-pass filter
(L.P.F.) Cutoff frequency
Characteristics 3 Hz, 30 Hz, 300 Hz, 3 kHz, OFF (-1.6 dB ±1 dB)
Secondary vessel
Anti-aliasing filter
(A.A.F.) Cutoff frequency
Attenuation 20, 40, 80, 200, 400, 800, 2k, 4k, 8k, 20k, 40 kHz, OFF,
-66 dB or less at 1.5 times the cutoff frequency
Input conversion noise 1 mVp-p max (0.1 V range, input short circuit)
A/D conversion
A/D resolution
Sampling rate 16 bits
1 MS/s (max)
Common mode rejection
ratio 80 dB or higher (50/60 Hz)
Maximum allowed input
voltage ±500 V peak
Maximum rated voltage
to ground AC, DC 300 V CAT II (between input terminals and chassis, between channels)
Withstand voltage AC 3 kV, 1 minute (between input terminals and chassis, between channels)
Usage environment Temperature: 0 to +40°C, humidity: 35 to 85 RH% or less (without condensation)
Storage environment Temperature: -20 to +60°C, humidity: 20 to 85 RH% or less (without condensation)
Dimensions Approx. 140 mm (W) x 223 mm (H) x 20 mm (D)
Mass Approx. 300 g
Standards Safety
EMC EN61010-1, EN61010-2-30
Measurement category CAT II, pollution level 2
EN61326-1, class A (when mounted to RA3100 main unit)