General information
Rice Lake’s 680HE hostile environment weight indicator is made to withstand the unique demands of corrosive environments. Ideal for the agriculture industry, fertilizer production and transfer, as well as other applications with a high concentration of corrosive substances such as chlorine, the 680HE uses an FRP enclosure and IP66 rating for the highest level of protection.
The bright 2.5-inch, six-digit display makes it easy to view weight from a distance in any lighting condition. The large display size and local/remote capability give the 680HE the option to be used as a secondary display. Configure display color as red or green for enhanced visibility that best suits the application.
The 680HE supports multiple communication options for connecting to multiple devices such as printers and PCs. The full numeric keypad makes tare entry easy, and four digital I/O points are available for basic weightbased control of interfaced equipment.
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Power:
Line voltages: 100 to 240 VAC
Frequency: 50/60 HzPower Consumption:
12W (AC) with one 350 ohm load cell, 30W maxExcitation Voltage:
10 VDC (± 5 VDC)Analog Signal Input Range:
-0.5 mV/V to +7 mV/VAnalog Signal Sensitivity:
1 μV/graduation recommendedA/D Sample Rate:
6.25 to 120 Hz, software selectableResolution:
Internal: 8,000,000 counts
Display: 100,000System Linearity:
Within 0.01% full scaleDigital I/O:
Four configurable I/O-5V logicCommunication Ports:
Two full-duplex RS-232
RS-485/422 (five-wire)
Micro USB (device)
Ethernet TCP/IP (10/100)Annunciators:
Eight LED annunciatorsDisplay:
Six 2.5 in tall, seven-segment digitsKeys/Buttons:
Flat membrane panel, tactile feel
(18 buttons)Dimensions:
(L × W × H)
12.50 × 6.30 × 10.50 in
(318 × 160 × 267 mm)Temperature Range:
Certified: 14 °F to 104 °F (-10 °C to 40 °C)
Operating: 14 °F to 122 °F (-10 °C to 50 °C)Rating/Material:
IP66, FRPWeight:
7.9 lb (3.5 kg)Warranty:
Two-year limitedEMC Immunity:
10 V/mApprovals:
NTEP 19-021, Class III/IIIL, 10,000d
Measurement Canada AM-6121C
CE Marked
cULus Listed -
- LED display
- Battery backed time and date
- Full numeric keypad
- Multiple communication ports
- Eight setpoints, 22 configurable types
- Numeric keyed entry for tare and setpoint entry
- Formattable tickets
- Four onboard configurable digital I/O points, TTL logic
- Local/remote
Options
- Ethernet bulkhead connector
- Analog output: 16-bit resolutions, 0 to 10 VDC, 0 to 20 mA, 4 to 20 mA
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Dimensions A 12.50 in (318 mm) C 6.30 in (160 mm) E 8.00 in (203 mm) B 10.50 in (267 mm) D 13.00 in (330 mm) 
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