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Rice Lake 680 Synergy Series


Introducing the Rice Lake 680 Synergy Series indicator, the newest model in customizable indicators designed for easy use in factories. Made for a range of tasks, the 680 can handle weighing jobs, automate processes, and work in different situations.

The 680 has good communication abilities, giving users eight setpoints and four digital I/O for basic tasks like batching and filling. It also has a batch engine that’s easy to set up and use for multi-step jobs. Users can also change how tickets look, including information like gross weight, net weight, and setpoints. Plus, it can connect to printers and computers in different ways, which saves money and time.

Built from tough 304 stainless steel, the 680 can handle tough environments and keep processes running smoothly. It’s even rated IP69K, meaning it can handle strong washdowns common in food factories. Overall, the 680 is a great choice for reliable and sturdy industrial weighing.

Key Features:

  • LED display
  • Battery-backed time and date
  • Full numeric keypad
  • Multiple communication ports
  • Eight setpoints, 22 types you can change
  • Numeric keypad for entering tare and setpoints
  • Tickets you can change the look of
  • Four digital I/O points you can set up, using TTL logic
  • Local/remote Options:
  • Analog output: 16-bit resolution, 0-10 VDC, 0-20 mA, 4-20 mA
  • RJ45 Ethernet connector
Line voltages: 100 to 240 VAC
Frequency: 50 to 60 HzPower Consumption:
2W (AC) 1 × 350 ohm load cell, 15W maxExcitation Voltage:
10 VDC (± 5 VDC), 8 × 350 ohm or 16 × 700 ohm load cellsAnalog Signal Input Range: 
-5 mV to +70 mVAnalog Signal Sensitivity: 
1 μV/graduation recommendedA/D Sample Rate: 
6.25 to 120 Hz, software selectable

Internal: 8,000,000 counts
Display: 1,000,000

System Linearity:
Within 0.01% full scale

Digital I/O:
Four configurable I/O – 5V logic(Optional) Analog Output:
16-bit resolution, voltage output 0-10 VDC, current output 0-20 mA / 4-20 mACommunication Ports:
Two full-duplex RS-232
RS-485/422 (five-wire)
Micro USB (device)
Ethernet TCP/IP (10/100)Annunciators:
Eight LED annunciatorsDisplay:
Seven 0.8 in tall, seven-segment digitsKeys/Buttons:
Flat membrane panel, tactile feel (18 buttons plus ON/OFF)

(L × W × H)
11.58 × 4.05 × 8.57 in
(294 × 103 × 218 mm)


Temperature Range:
Certified: 14 °F to 104 °F (-10 °C to 40 °C)
Industrial: 14 °F to 122 °F (-10 °C to 50 °C)Rating/Material:
IP69K (IP66 with RJ45)
AISI 304 stainless SteelWeight:
6.25 lb (3 kg)Warranty:
Two-year limitedEMC Immunity:
10 V/mApprovals:
NTEP 19-021, Class III/IIIL, 10,000d
Measurement Canada AM-6121C
OIML R76/2006-A-NL1-19.56
EU Test Certificate TC11562
CE Marked
cULus Listed


A10.02 in (255 mm)E3.40 in (86 mm)
B11.58 in (294 mm)F4.05 in (103 mm)
C6.00 in (152 mm)G3.80 in (97 mm)
D8.57 in (218 mm)H4.74 in (120 mm)

Additional information

Weight12 lbs
Dimensions12 × 9 × 9 in


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