680HE Synergy Series Hostile Environment Digital Weight Indicator
The 680HE Synergy Series is a rugged weight indicator built for hostile industrial environments, offering dependable performance with simple, fast operation.
Key Features:
- Bright LED display
- Full numeric keypad for quick entry and navigation
- Battery-backed time & date
- Multiple communication ports for easy integration
- Eight setpoints with 22 configurable types
- Numeric keyed entry for tare and setpoints
- Formattable tickets for flexible printing/output
- Four configurable digital I/O points (TTL logic)
- Local/remote operation support
Available Options:
- Ethernet bulkhead connector
- 16-bit analog output: 0–10 VDC, 0–20 mA, 4–20 mA
Power
- AC Line Voltages: 100–240 VAC
- Frequency: 50/60 Hz
- Power Consumption: 12 W (AC) with one 350Ω load cell (30 W max)
Load Cell / Excitation
- Excitation Voltage: 10 VDC (±5 VDC)
- Load Cell Capacity: 8 × 350Ω or 16 × 700Ω load cells
Analog Performance
- Analog Signal Input Range: -0.5 mV/V to +7 mV/V
- Analog Signal Sensitivity: 1 μV/graduation recommended
- A/D Sample Rate: 6.25 to 120 Hz, software selectable
- Resolution:
- Internal: 8,000,000 counts
- Display: 100,000
- System Linearity: Within 0.01% full scale
Digital I/O
- Onboard Digital I/O: Four configurable I/O points, 5 V logic
Communication Ports
- Serial: Two full-duplex RS-232
- RS-485/422: Five-wire
- USB: Micro USB (device)
- Ethernet: TCP/IP (10/100)
Display & Operator Interface
- Annunciators: Eight LED annunciators
- Display: Six 2.5-inch tall, seven-segment digits
- Keys/Buttons: Flat membrane panel with tactile feel (18 buttons)
Physical
- Dimensions (L × W × H): 12.50 × 6.30 × 10.50 in (318 × 160 × 267 mm)
- Weight: 7.9 lb (3.5 kg)
Environmental
- Certified Temperature Range: 14°F to 104°F (-10°C to 40°C)
- Operating Temperature Range: 14°F to 122°F (-10°C to 50°C)
Enclosure / Rating / Material
- Ingress Rating: IP66
- Material: FRP
Warranty
- Warranty: Two-year limited
Compliance
- EMC Immunity: 10 V/m
Approvals
- NTEP: 19-021, Class III/IIIL, 10,000d
- Measurement Canada: AM-6121C
- Certifications: CE Marked, UKCA, cULus Listed, IEC
Rice Lake’s 680HE Hostile Environment Weight Indicator is engineered to handle the harsh realities of corrosive industrial settings. Ideal for agriculture, fertilizer production and transfer, and other applications with high concentrations of corrosive substances—such as chlorine—the 680HE features a durable FRP enclosure and an IP66 rating to help protect against moisture, dust, and chemical exposure.
A bright 2.5-inch, six-digit display provides clear visibility from a distance in virtually any lighting condition. With its large display and local/remote capability, the 680HE can also serve as a convenient secondary display. For added visibility, the display color can be configured as red or green to best match the application environment.
The 680HE supports multiple communication options for connecting to peripherals like printers and PCs, while a full numeric keypad simplifies tare and data entry. With four digital I/O points, it can also provide basic weight-based control for interfaced equipment—making it a reliable choice for tough environments that demand both durability and functionality.