Specifications:
The SBI-521 Digital Indicator is NTEP approved for 10,000 divisions, class III, with a display resolution ranging from 100 to 100,000d for primary units and 100 to 125,000d for secondary units. It features a backlit LCD or LED display and is powered by a 6-volt 4 AH rechargeable internal lead acid battery, with an option for external 12 VDC power. The device supports functions such as hold, counting, totalizing, check weighing, percentage, and peak.

Features:
The indicator includes standard time and date, an audit trail with a physical seal, and can drive up to 8 load cells at 350Ω. It is housed in a heavy-duty stainless steel IP65 enclosure with a swivel stand. It offers two full duplex RS-232 serial ports for communication, with options for demand or continuous data output. The device supports full front panel configuration for digital calibration and multi-point calibration up to four points. It is approved by NTEP, Measurement Canada, and CE.

Additional Capabilities:
The SBI-521 includes programmable auto-power off time, backlight working mode (for LCD), adjustable LED brightness (for LED), and various weighing modes. It displays battery voltage and charging status, and offers programmable serial output and four-point calibration. The device includes a hardware low pass filter and two programmable digital low pass filters, along with fine-tune weight adjustment capabilities.

Communication and Power:
The indicator supports full-duplex RS-232 and half-duplex RS-485 communication, with selectable baud rates from 1200 to 57600 bps. It features a built-in nonvolatile real-time clock and date, with an approximate battery life of 48 hours for LCD and 30 hours for LED, depending on usage conditions. The operating temperature range is -10°C to 40°C (14°F to 104°F).

Physical Dimensions:
The indicator measures 89 mm (L) x 267 mm (W) x 216 mm (H) and weighs approximately 3.7 kg (8 lb). It is available in different versions for the US, UK, and EU markets.

Certifications and Packaging:
The product is certified under NTEP CC# 11-119 and Measurement Canada AM-5923. Packaging includes the indicator and a manual.

Contact Information:
Brecknell, a division of Avery Weigh-Tronix, provides contact details for both US and UK offices for further inquiries.