OP-915SS Stainless Steel Washdown Bench Scale


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Optima OP-915SS bench scale is an ideal scale for food service and chemical industries. The scale is NTEP approved legal for trade. It features a complete 304 stainless steel structure and a removable stainless steel platter. Great for harsh environments with chemicals, water, salter water, or any other liquid. Our Optima bench scales are built with a 100% overload protection, IP67, and stainless steel hermetically sealed load cells.

The OP-915SS includes our stainless steel NEMA 4X indicator. The indicator is Class III NTEP with 6 digit, 1″ LED or LCD display; 120VAC 60 Hz AC adapter, and optional rechargeable battery. The OP-900 indicator features a hinged bracket at the top of column allowing users to tilt up or down for optimum viewing. The scale also features four adjustable feet, leveling bubble, and comes calibrated for accuracy.


  • Stainless Steel scale and indicator made to be easily sprayed down for washing
  • Welded sturdy construction
  • Ideal weighing solution for applications such as portion control, food processing, straight weighing or over/under weighing
  • High accuracy single point strain gauge aluminum load cell
  • Designed for speed and accuracy with an extremely heavy duty platform and rugged stainless steel enclosure
  • Ideal for busy shipping docks, outdoor markets, manufacturers, food processing and other bulk sales
  • High resolution with overload protection
  • Standard package includes: platform, shroud, indicator (Legal for Trade), load cells, column, level feet, and all necessary hardware
  • Stainless steel base, stainless steel platform
  • Large 0.9” backlit LCD indicator with a rechargeable battery
  • Stainless steel load cell with hardwired cable to indicator for maximum water protection
  • Detachable column and tilt stand for table, wall or under counter mounting
  • Overload stops on scale base
  • Measurement units: lb, kg, g, oz, lb:oz
  • Lower/upper limit alarm
  • Counting feature (Not Legal for Trade)
  • Accumulation feature
  • Check-weighing feature for quick portioning
  • Level bubble
  • NTEP class III, 5000 divisions
  • US Legal For Trade CC #: 11-016
  • Canada Legal For Trade CC#: AM-5817
  • Factory Calibrated
  • Overload Protection
  • 2 year Warranty Electronics
  • 5 Year Warrnaty on Frame

Indicator Features:

  • OP-900 NTEP indicator with LED or LCD display
  • 1″ Tall backlit display
  • Optional Rechargeable battery (up to 100 hrs)
  • Stainless steel washdown NEMA 4X casing
  • AC adapter included
  • Weighing units: (LED:kg/lb) ( LCD:lb/kg/g/oz/lb:oz)
  • Gross/Tare/Pre-Set Tare/Zero
  • Multiple Hold functions
  • Count weighing
  • Accumulation weighing
  • Overload / Underload alarm
  • Splash proof  keyboard and display
  • Connects to a remote display and printer
  • NTEP approved for 5,000 divisions
  • Displays up to 50,000 graduations
  • Full Duplex RS-232 Serial Port


  • Pan/Frame Material: Stainless Steel / Mild Steel
  • Accuracy Class (OP-900): 5000 e
  • Resolution: Display 30,000; ADC 2,000,000
  • Zero Stability Error: TK0 < 0.1 µV//K
  • Span Stability Error: TKspn < ±6 ppm//K
  • Sensitivity (Internal): 0.3 µV/d
  • Input Voltage: -30 ~ 30mV DC
  • Excitation Circuit: 5 VDC, 4 wire connection (+Exec, -Exec, +Sig, -Sig); Maximum 6 x 350Ω load cells
  • Power: AC100~250V; Rechargeable battery optional
  • Temperature/Humidity: -10℃ ~ +40℃; ≤90%RH
  • Storage Temperature: -40℃ ~ +70℃;

OP-915 Brochure

Prime 900 Indicator

Prime 900 Manual

Model Size and Capacity
OP-915SS-HP-6 10”x10”, Cap: 6lb x 0.0002lb (3kg x 0.1g)
OP-915SS-HP-15 10”x10”, Cap: 15lb x 0.0005lb (7.5kg x 0.2g)
OP-915SS-HP-30 10”x10”, Cap: 30lb x 0.001lb (15kg x 0.5g)
OP-915SS-HP-60 10”x10”, Cap: 60lb x 0.002lb (30kg x 1g)
OP-915SS-1212-100  12”x12”, Cap: 100lb x 0.02lb
OP-915SS-1214-100  12”x14”, Cap: 150lb x 0.02lb
OP-915SS-1616-300  16”x16”, Cap: 300lb x 0.05lb
OP-915SS-1620-400  16”x20”, Cap: 400lb x 0.05lb
OP-915SS-1818-400  18”x18”, Cap: 400lb x 0.05lb
OP-915SS-2020-500  20”x20”, Cap: 500lb x 0.1lb
OP-915SS-1824-500  18”x24”, Cap: 500lb x 0.1lb
OP-915SS-2424-500  24”x24”, Cap: 500lb x 0.1lb
OP-915SS-2424-1000  24”x24”, Cap: 1000lb x 0.2lb


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