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B and B Scales Inc.

IQ Plus 590 Digital Weight Indicator


IQ Plus 590 Digital Weight Indicator

6.50 LBS
Calculated at checkout

Product Description

The IQ plus ® 590-DC… Easy Operation Anywhere, Anytime

Take full advantage of your weighing system with the IQ plus 590-DC. Featuring C-cell battery power and a full numeric keypad, this handy unit makes setup and operation a snap! From tare entry to counting, the IQ plus 590-DC allows numeric entry directly from the keypad, saving time by eliminating the need to scroll and toggle.

The IQ plus 590-DC has a superior battery life of over 300 hours, meaning weeks or months of worry-free operation! And with a stainless steel NEMA 4X/IP66 enclosure, you can rely on top performance in any environment. It’s the perfect solution for outdoor weighing systems, portable warehouse scales, and material handling applications.

The IQ plus 590-DC’s prominent LCD display shows up to six numerals in large one-inch digits for easy character recognition. When left idle, the unit prolongs battery life by using a configurable standby mode. This unique indicator even serves as a portable counting scale in piece count mode with sample size or average piece weight entry. Plus, an AC adapter is provided to prolong battery life when power is available.

In environments where vibration is a concern, the IQ plus 590-DC includes RATTLETRAP ® three-stage digital filtering and selectable measurement rates, ensuring accurate weighments anywhere, anytime.

Standard Features

  • Full numeric keypad
  • Keypad entry of piece weight, tare weight, calibration, and sample size
  • Display tare button
  • Portability with 6 C-cell alkaline batteries
  • Three 300-character print ticket formats
  • Power for four 350Ω load cells or eight 700Ω load cells
  • Supports 4- and 6-wire load cell connections
  • EDP port for full duplex, RS-232 communications
  • NEMA 4X/IP66-rated stainless steel enclosure
  • Large 1" (24.5mm), six-digit LCD display
  • AC adapter for 115 or 230 VAC power
  • Configurable standby mode to prolong battery life
  • RATTLETRAP ® three-stage digital filtering
  • Configurable units multiplier
  • Configurable analog to digital measurement rate
  • Self-resetting thermal fuse



9 VDC with 6 C-cell alkaline   batteries or AC adapter

Power Consumption:



1" (24.5mm) 6-digit LCD   display


Units (lb/kg), piece count mode   (PC), gross, net, standstill, center of zero, tare, low battery


19-key flat membrane panel

Full Scale Input Signal:

Up to 17mV

Excitation Voltage:

5 ± 0.25 VDC, 4 x 350Ω or 8 x   700Ω load cells

Analog Signal Sensitivity:

0.3 μV/grad min 1.5 μV/grad   recommended

Display Resolution:

100,000 dd

Counting Capacity:

100,000 pieces

Measurement Rate:

30, 15, 71⁄2,   33⁄4   per   second

System Linearity:

Within 0.01% of full scale

Calibration Method

Front panel or software,   constants stored in EEPROM

Common Mode Voltage:

2.5 ± .25 VDC

Input Overload:

± 12 V continuous, static   discharge protected

Circuit Protection:

RFI, EMI, ESD protection on   inputs and interfaces

Digital Filter:

Rattletrap®   software   filtering

Serial Communications:

EDP/Printer Port, Full duplex   RS-232

Operating Temperature:

-10° to 40°C/14° to 104°F   (legal) , -10° to 50°C/14° to 122°F (industrial)


9.0" x 6.5" x   3.0" (229mm x 166mm x 76mm [includes battery compartment cover, does not   include stand or knobs])

Shipping Weight:

6.5 lb (2.95 kg)


NEMA 4X/IP66, stainless steel


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