Cooper Instruments & Systems DFI 250X Digital Weight Indicator - Manual (Page 3)

CF 146 1 V- Rev. 1.0 - 003R-620-100
1.0 INTRODUCTION
This manual contains information on the installation, calibration and setup of the instrument.
1.1 Approvals (for trade versions only)
•
NSC approval (4000 divisions at 0.8µV/division).
•
NMI approval (4000 divisions at 0.8µV/division).
•
C-tick approved and CE approved.
1.2 Manuals
For more information on this instrument refer to the Reference Manual or Quick Start Manual.
2.0 SHIPPING CONTENTS
The following table identifies the items shipped with the indicator. Please check that your packing box contains the
specified items.
Shipped Items Other Items (Optional)
• Indicator
• Operator Manual
• Quick Start Manual
• Trade Label (plastic)
• Panel Mount Template
• Function Key Overlay Stickers • GSE-LINK Cable
• Power Supply
• Desk Mount with Battery Compartment
• U Bracket
3.0 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: 14 to 122°F ambient
Humidity: <90% non-condensing
Storage: –4 to +122°F ambient
IP55 when panel mounted
Case Materials ABS, Silicon Rubber, Nylon, Acrylic (no halogen used)
Packing Weights Basic Indicator: 0.75lb
Digital
Display
LED Backlit LCD with six 0.8in 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
AC Wall Transformer: 110/240VAC 50/60Hz in 12VDC 0.5A out Variants
Battery 4 x AA batteries (Alkaline or rechargeable NiMH, NiCad, etc.)
Features
GSE-LINK Data Coupling
Infra-red Connector for optional GSE-LINK PC cable (to RS-232 PC port)
Correction Five point linearity correction
Outputs 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 totalizing