NOVUS LOGBOX - Manual (Page 3)

3
7. SPECIFICATIONS
Signal input Universal input that allows direct sensor measuring: thermocouples J, K, T, N, E, R, S and B, Pt100 RTDs,
besides adjustable indication range 0-50mV voltage and 4-20mA current.
Resolution 12 bits (4096 levels)
Accuracy
• Thermocouples J, K, T e N: 0,25% of full scale ± 1 o C
• Thermocouples E, R, S e B: 0,25% of full scale ± 3 o C
• Pt100: 0,15% of full scale
• Linear current or voltage: 0,15% of full scale
Pt100 excitation current
250 µA
Input impedance
• 100Ω for 4-20mA inputs
• 10MΩ for thermocouples and milivolts.
Storage capacity
• Usual : 8.111 readings
• Optional: 16.303 readings
Data offloading time 8 seconds for 8.000 bytes
Computer interface Infrared wand
Interval between readings 0,5s to 30 days
Loggings start
• Immediately
• In a user programmed time (start can be delayed up to 30 days)
Recording mode
• Instant value
• Average of up to 250 readings for each recording
• Minimum or maximum value of up to 250 readings for each recording
Loggings end
• At full memory
• After a preset record number
• Never stops: overwrite oldest records
Software platform
• LOGCHART, Windows 95, Windows 98 and Windows NT compatible
• It configures, reads and displays data on screen in many ways (list, graph, text files to be exported to
other softwares)
• It accepts plots overlay
Power
• 3,6V lithium battery (1/2 AA)
• Optional external 4 to 5V
CC
source (when external source is connected, internal battery is
automatically cut off)
Estimated autonomy
(based on nominal charge values of a
950mAh battery)
• 1245 days (interval between readings: 30s)
• 1110 days (interval: 20s)
• 840 days (interval: 10s)
• 700 days (interval: 7s)
• 560 days (interval: 5s)
• 390 days (interval: 3s)
• 280 days (interval: 2s)
• 150 days (interval: 1s)
• 80 days (interval: 0,5s)
Battery usage indication Battery working life estimation info (0-100%)
Working temperature From -40°C to 70°C (thermocouple cold junction compensation is made between 0°C and 70°C)
Dimensions 58x64x35mm
NOVUS ELECTRONICS LTD.
Rua Ramiro Barcelos, 157
CEP 90035-004 - Porto Alegre - RS – BRAZIL
Tel:
55-51-284-3600
Fax: 55-51225-7306
E-mail: [email protected]