Norac M2000, Техническое руководство

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5
M2000 Instrument Specifications
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Power requirements: 12VDC 1A.
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Temperature range: 14°F to 104°:F (-10°C to +40°C).
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Full scale input signal: 4 ranges: 0-9mV, 0-19mV, 0-39mV and 0-79mV.
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Excitation voltage: 7.5VDC, 16x350 Ohm and 32x700 Ohm for all 3 channels combined.
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Sense amplifier: Differential amplifier with 4 and 6 wire.
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A/D internal resolution: 520,000 counts in both positive and negative direction.
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A/D Sampling rate: 100 times a second on each channel.
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Span stability: 2ppm/°C.
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Zero stability: 5nV/°C.
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Linearity correction: 10 span entries.
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Calibration method: Calibration through software stored to flash memory.
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Calibration sealing: Physical seal or class 1 audit trail system, password protected.
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RFI protection: Filtered signal, excitation and sense lines.
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Analog output: Optional 4-20mA board via SMART WIRE.
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Serial communications: 2 full-duplex RS232/RS422 ports.
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I/O interface: Peripheral expansion through SMART WIRE multi drop RS485 port.
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External I/O: Up to 6 channel set point board via SMART WIRE.
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Set points: 6 programmable set points.
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Digital filtering: Adjustable filter parameters with FAST STEP quick response algorithm.
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Display modes: Weight can be displayed from CH1, CH2, CH3 and as TOTAL of all
channels.
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Tare: Keyboard and scale tare, multiple tare IDs can also be stored in memory.
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Time/Date: Y2K compliant time/date clock, internal battery back up.
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Truck database: Capable of storing 15-0 truck IDs with associated tare weights.
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Truck in/out loop: program for weigh-in and weigh-out applications.
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Units conversion: lb/kg.
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Zero tracking: 1-99% of 1d, 1d, 2d or 3d.
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Ticket editor: Create custom tickets for any serial printer, indicator can store and recall
different tickets.
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Enclosure dimensions: SL=9"x4"x1", DT=9.75"x6"x2.5", NSS=10"x7.5"x3".
Approvals: NTEP Class III/IIIL 10000, Measurement Canada Class III 10000 and IIIHD 20000