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Chapter 4 Specifications
85
Pulse counter (input 1 only)
Zero crossing detector
Opto coupler interface
Range
0 to 65,000 counts
Resolution
1 count
Frequency range
0 to 25 Hz
Input signal
0
–
5 V
Input impedance
470
Ω
Frequency (input 1 only)
Zero crossing detector
Opto coupler interface
Range
20 to 4,000 Hz
Time resolution
6.5
μ
s
Input signal
0 to 5 V
Input impedance
470
Ω
Internal Temperature
NTC
–
10K
Ω
resistor
Range
-25 to 70
º
C
Resolution
0.1
º
C (1
μ
V)
Accuracy
±
0.3 °C
General A to D specifications
Noise
30
µ
V rms
Internal linearity error
±
0.08 % of FSR
Offset error
0.1 %
Alarm output (output 8)
Open collector
Close position resistance
50
Ω
Max. Load
50 mA, 5 VDC
Overload protection
50 mA re-settable fuse
Communication
•
USB 1.1 compliant
Sampling
•
Capacity: 512 KB
•
Analog sampling rate:
Variable, 1 sample per hour
to 4,000 samples per
second, 1 channel
•
Analog sampling resolution:
16 bits
•
Channel separation 80dB
Man Machine Interface
•
Full keyboard operation -
enables manual
programming of the Logger
•
Graphic LCD 64 x 128 pixels
Power Supply
•
Internal rechargeable 7.2 V
Ni-MH battery
•
Built in battery charger
•
External 9 V to 12 VDC input
•
Battery life: ~25 hours
between charges
Operating Temperature Range
•
0 to 50
º
C
Casing
•
Plastic ABS box
•
Dimensions:
182
×
100
×
28 mm
•
Weight: 450 g
Standards Compliance
•
CE,
FCC
*
Maximum sampling rate varies with
number of used channels (see page 24)
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Ph 02 9481 7420
Fax 02 9481 7267