Measurement Computing Personal Daq/3000 Series - Manual (Page 77)

Note : Specifications are subject to change without notice. 937492 Specifications 7-11
PDQ30 Specifications
General
Operating Temperature:
-30° to +70°C
Storage Temperature:
-40° to +80°C
Power:
Supplied by DaqBoard/3000 Series or Personal Daq/3000 Series; 400 mW (max)
Relative Humidity:
0 to 95%, non-condensing
Vibration:
MIL STD 810E, category 1 and 10
Communications Connector:
25 pin DSUB
Signal I/O Connector:
Six removable screw-terminal blocks (12 connections each)
Dimensions
: 269mm W x 92mm D x 45 mm H: (10.6” x 3.6” x 1.6”)
Weight
: 400g (0.88 lbs)
Analog Inputs
Channels
: 48 single-ended inputs; or 24 channels differential inputs
Voltage Measurement Speed
: 1µs per channel
Ranges
: ±10V, ±5V, ±2V, ±1V, ±500mV, ±200mV, ±100mV, universal thermocouple.
Software or sequencer selectable on a per-channel basis
Total Harmonic Distortion
: -80dB typical for ±10V range, 1 kHz fundamental
Signal to Noise and Distortion
: 72dB typical for ±10V range, 1 kHz fundamental
Input Impedance
: 10M Ohm (single-ended); 20M Ohm (differential)
Bias Current
: 40 pA typical (0 to 35°C)
Over-Voltage Protection
: ±30V
Crosstalk
: -75 dB DC to 60 Hz; -65 dB @ 10 kHz, typical
Voltage
Range*
Accuracy
±(% Reading + % Range)
23ºC ± 10°C, 1 year
Temperature Coefficient
± (ppm of Reading + ppm Range)/ºC
-30ºC to 13°C and 33ºC to 70ºC
Noise**
(cts RMS)
-10V to 10V 0.031% + 0.008% 14 + 8 2.0
-5V to 5V 0.031% + 0.009% 14 + 9 3.0
-2V to 2V 0.031% + 0.010% 14 + 10 2.0
-1V to 1V 0.031% + 0.02% 14 + 12 3.5
-500 mV to 500 mV 0.031% + 0.04% 14 + 18 5.5
-200 mV to 200 mV 0.036% + 0.05% 14 + 12 8.0
-100 mV to 100 mV 0.042% + 0.10% 14 + 18 14.0
* Specifications assume differential input single channel scan, 1-MHz scan rate, unfiltered, CMV=0.0V,
30 minute warm-up; exclusive of noise, range -FS to +FS.
** Noise reflects 10,000 samples at 1-MHz, typical, differential short
TC Types and Accuracy 1
TC Temp Range (°C) Accuracy (±°C) Noise (±°C)
J -200 to +760 1.7 0.2
K -200 to +1200 1.8 0.2
T -200 to +400 1.8 0.2
E -270 to +650 1.7 0.2
R -50 to +1768 4.8 1.5
S -50 to +1768 4.7 1.5
N -270 to +1300 2.7 0.3
B +300 to +1400 3.0 1.0
1 Assumes 16384 oversampling applied, CMV = 0.0V, 60 minute warm-up, still environment, and 25°C
ambient temperature; excludes thermocouple error; TC
IN
= 0°C for all types except B (1000°C), TR-2 for
External Power.