Rinstrum - R300 Series Digital Indicator Quick Start Manual Rev 1.5
Page 5
3. Specifications
Performance
Resolution
Up to 30,000 divisions, minimum of 0.25µV/division, 20
updates/second (Trade 4000 divisions at 0.8µV/division)
Zero Cancellation ±2.0mV/V
Span Adjustment 0.1mV/V to 3.0mV/V full scale
Stability/Drift
Zero: < 0.1µV/°C (+ 8ppm of deadload max)
Span < 8 ppm/°C, Linearity < 20ppm, Noise < 0.2µVp-p
Excitation 5 volts for up to 4 x 350 or 8 x 700 ohm load cells (4-wire or 6-
wire plus shield)
Maximum total load cell resistance: 1,000 ohms
A/D Type 24bit Sigma Delta with 8,388,608 internal counts
A/D Conversion
Rate
20Hz with FIR filtering > 80dB
Operating
Environment
Temperature: –10 to +50°C ambient
Humidity: <90% non-condensing
Storage: –20 to +50°C ambient
R310 and R320: IP55 when panel mounted, R321: IP65
Case Materials R310 and R320: ABS, Silicon Rubber, Nylon, Acrylic (no
halogen used)
Packing Weights Basic Indicator - R310 and R320: 0.34kg, R321: 2.4kg
Digital
Display LED Backlit LCD with six 20mm high digits with units and
annunciators
Setup and
Calibration
Full digital with visual prompting in plain messages
Digital Filter Sliding window average from 0.1 to 4.0 seconds
Zero Range Adjustable from ±2% to ±20% of full capacity
Power Input
Standard Power
Input
12 to 24VDC (2.5 VA max) - ON/OFF key with memory feature
Variants AC AC Plug pack: 110/240VAC 50/60Hz in 12VDC 0.5A out
Battery 4 x AA batteries (Alkaline or rechargeable NiMH, NiCad, etc.)
Features
rin-LINK Data
Coupling
Infra-red Connector for optional rin-LINK PC cable (to RS-232
PC port)
Five point linearity correction
RS-232 automatic transmit, network or printer outputs.
Transmission rate: 2400, 4800 or 9600 baud
Assignable function key: Unit switching, counting, manual hold,
peak hold, live weight and totalising
2 isolated transistor drive outputs (300mA total at 50VDC)
R320 Extra
Features
Battery backed clock calendar (Battery life 10 years minimum)
R321 Features Equivalent to an R320 with IP65 stainless steel housing.
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