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 μs
Input signal 0 to 5 V
Input impedance 470 Ω
Internal Temperature
NTC – 10KΩ resistor
Range -25 to 70 ºC
Resolution 0.1 ºC (1 μV)
Accuracy ±0.3 °C
General A to D specifications
Noise 30 µV 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 ºC
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)
www.esis.com.au
Ph 02 9481 7420
Fax 02 9481 7267
esis.enq@esis.com.au
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