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:
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| Rice Lake IQ plus 590DC Indicator | |
|---|---|
| Display | 1" (24.5mm) 6-digit LCD display |
| Annunciators | Units (lb/kg), piece count mode (PC), gross, net, standstill, center of zero, tare, low battery |
| Power | 9 VDC with 6 C-cell alkaline batteries or AC adapter |
| Keyboard | 19-key flat membrane panel |
| Full Scale Input Signal | Up to 17mV |
| 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 |
| Input Overload | ± 12 V continuous, static discharge protected |
| Common Mode Voltage | 2.5 ± .25 VDC |
| Excitation Voltage | 5 ± 0.25 VDC, 4 x 350Ω or 8 x 700Ω load cells |
| 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) |
| Dimensions | 9.0" x 6.5" x 3.0" (229mm x 166mm x 76mm [includes battery compartment cover, does not include stand or knobs]) |
| Finish | NEMA 4X/IP66, stainless steel |
| Shipping Weight | 6.5 lb (2.95 kg) |