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Features

BenchMark Series

Extremely Accurate Medium to High Capacity Weighing BenchMark heavy-duty construction provides ultimate durability, sensitivity and long life for a variety of demanding weighing environments.

Five standard platform sizes offer a wide variety of capacities:
• 12 x 12 inches
• 12 x 18 inches
• 18 x 18 inches
• 18 x 24 inches
• 24 x 24 inches

• 304 stainless steel frame and cover
• Base design isolates load cell from overloads and shock loads for added durability
• Specially designed adjustable support feet provide exceptional traction and will not scratch surfaces

320IS Intrinsically-Safe Digital Weight Indicator

Designed with the level of safety your location requires, the 320IS digital weight indicator meets hazardous environment requirements without hesitation. With Factory Mutual (FM) entity approval, it is the ideal solution for dangerous and highly explosive environments. Even in dimly-lit areas, the 320IS maintains brilliant visibility for user-friendly operation.

The intrinsically-safe, auto-ranging power supply is designed to meet 320IS entity parameters and safely mount in hazardous areas. With this option, wiring is simplified to a single AC conduit line and seal from the safe area—barrier strips are no longer necessary. When required, an entity approved battery power supply is also available.

For applications that require increased functionality, choose the 320IS Plus. It combines the same great features of the 320IS, but includes a full numeric keypad and keyboard tare. The 320IS Plus is also equipped with standard count mode.

Expand the flexibility of the 320IS and the 320IS Plus with the optional safe area I/O Module, featuring two serial ports, two analog outputs, four digital inputs and four elay contact outputs, allowing communication with printers, computers and other peripherals. Both models are equipped with a duplex fiber optic port for electricallyisolated communication with the I/O Module.

For IS entity approval, Rice Lake offers hundreds of FM-approved load cells that interface with the 320IS and 320IS Plus indicators in accordance with the official FM control drawings.

Standard Features
• Bright LED display
• Power ON/OFF, battery save mode
• Stainless steel NEMA 4X/IP66 enclosure
• Front-panel digital calibration
• Excitation for 4 x 350Ù or 8 x 700Ù load cells
• Gross/Tare/Net computation
• Tilt stand
• Duplex fiber optic interface
• Factory Mutual (FM) entity approved
• Class I Division I Groups A, B, C, D and Class II Division 1 Groups E, F, G and Class III; T-Rating: T4
• NTEP Certified

Options/Accessories
• 115/230 VAC auto ranging power supply
• 6V battery and charger
• I/O Module, 2 serial ports configurable as RS-485, RS-422, RS-232 or 20mA, 2 analog outputs, 4 digital inputs and 4 relay contact outputs (AC powered)
• IS cable: hazardous environment load cell cable
• Fiber optic cable
• Timer relay for latching (320IS)

Specifications

Rice Lake BenchMark - 320IS Explosion Proof Scales - 18 x 24 in
Model	320IS-18607	320IS-18609	320IS-18611	320IS-18613	320IS-18615	320IS-18617	320IS-18619	320IS-18621
Platform Capacity	50 x 0.01 lb	100 x 0.02 lb	150 x 0.03 lb	200 x 0.04 lb	250 x 0.05 lb	300 x 0.06 lb	500 x 0.1 lb	1000 x 0.2 lb
Pan Size	18 x 24 in
Legal For Trade	Base: NTEP CC 95-072, Class III 5,000 d Base: Measurement Canada AM-5082, Class III 5,000 d Indicator: NTEP CC 03-078 Class III/IIIL 10,000d Indicator: Measurement Canada AM-5560
Indicator	320IS with Battery pack, Charger & Tilt Stand Part No 91233
	FM Approved
Load Cell	IP67 Aluminum and environmentally sealed
Output Impedance	350
Maximum Overload	150-200% depending on capacity
Overload Protection	Shock-absorbing spider
Cable Length	10 ft (3 m)
Compensated Temperature Range	14° F to 104° F (-10° C to 40° C)
Dimensions	18 x 24 x 5.25 in