KB Series Specifications OPERATOR INTERFACE Display: LED: .56î High; Bright Green; 7-Segment Digits; Full 6 Digit Numeric Display LCD: .8î High; 7-Segment Digits; 6 Digit Numeric Display plus sign Status: Annunciators: 7 (LED) - 8 (LCD); Indicate “Gross”, “Net”, “Tare” “Motion”, “Zero”, “lb” & “kg” Keypad: 5-Key; Tactile Feedback Display Resolution: KB3: 50,000 dd (max.); KB3-C & KB2: 199,999 Display Increments: 1, 2, or 5; Selectable Decimal Point: Up To 6 Settings; Selectable Auto Zero Tracking: 0 To 5 Graduations; Minimum 0.5 Graduations Motion Detection: 1, 3, 5 or 10 Graduations Digital Filter: Keypad Programmable; Dynamic Response Conditioning Calibration Method: Digital; Keypad; System Zero and Span Values Stored in Battery-Backed Memory FUNCTION Linearity: Better Than Or Equal To 0.02% Full Scale (FS) Internal Resolution: KB3: 18-Bit, 260,000 Grads; KB3-C 130,000 Grads; KB2 150,000 Grads Measurement Rate: KB3: 25 Updates Per Second; KB3-C & KB2: 8 Updates Per Second Signal Sensitivity: .4 mV Per Graduation (maximum) Span Range @ Full Scale: 30 mV (maximum) Excitation Voltage: KB3: 10 VDC (Nominal); KB3-C & KB2: 5 VDC (Nominal) Current Rating: KB3: 200 mA (Nominal); 1-4 Summed 350 Ω Bridges KB3-C & KB2: 80 mA (Nominal); 1-4 Summed 350 Ω Bridges (add 30 mA/350 Ω Bridge) Power: KB3: 115 VAC ±10% @ 50/60Hz (Incl. external 12 VDC/500 mA/15 Watts supply power) KB3-C & KB2: 6-Volt Rechargeable Lead Acid Battery; 20 hr Operation; 16 hr Recharge Weight: 3 pounds (1.3 kg) Warranty: 1 Year; Limited COMMUNICATIONS INTERFACE Serial Ports: Port 1: RS-232; 1200 To 9600 Baud; Full Duplex Data Format: 8 Bits; No Parity; 1 Stop Bit (PC Compatible): 7 Bits; Odd Parity; 1 Stop Bit 7 Bits; Even Parity; 1 Stop Bit 7 Bits; No Parity; 2 Stop Bits Compensated Temperature Range: -10° To +40° C / 14° To 104° F ENVIRONMENTAL Operating Temperature Range: -18° To +50° C / 0 To 122°F Storage Temperature Range: -25° To +70° C / -13° To 158° F Humidity Range: KB3: ABS Enclosure: 0 To 90% RH; Non-condensing KB2: Stainless Steel Enclosure: 0 To 100% RH; Washdown-Ready RFI Protection: Multi-Layer PCB Surge Voltage Protection: Excitation And Signal Lines; AC Power Line Enclosure Construction: KB3 & KB3-C: ABS; High Impact Plastic; Universal Mounting Stand KB2: 304 Stainless Steel; Universal Mounting Stand; NEMA 4/4X Enclosure Dimensions: KB3: ABS: 3.2î tall X 6.75î wide X 2.38î deep (81 mm X 171 mm X 60 mm) KB3-C: ABS: 5.9î tall X 10.1î wide X 3.94î deep (150 mm X 257 mm X 100 mm) KB2: Stainless Steel: 5.51î tall X 8.86î wide X 2.83î deep (140 mm X 225 mm X 72 mm) 86