SP 400-EB 3 Digit Backlit LCD Voltmeter Module PRODUCT DESCRIPTION The SP 400-EB features an enhanced black LCD and 200mV d.c. measurement range with auto-zero and auto-polarity. Decimal points are user selectable. The SP 400-EB features a negative rail generator which enables the meter to measure a signal referenced to its own power supply GND. Enhanced contrast negative mode LCD with LED backlighting ensures excellent readability under all light conditions. The module is easily d into the panel, using the g clip provided. The module s low cost means it will suit high and low volume applications. The design of the panel meter s housing ensures splash g using the supplied seal. FEATURES 9.75mm (0.38 ) Digit Height 200mV d.c. Full Scale Reading 5V Operation Auto-zero and Auto-polarity Programmable Decimal Points Enhanced black LCD with LED Backlighting Low Battery Warning Splash Proof ORDERING INFORMATION Stock Number TYPICAL APPLICATIONS Blue backlighting SP 400-EB-B Precision Instrumentation Systems Green backlighting SP 400-EB-G Power Supply Monitoring Magenta backlighting SP 400-EB-M Orange backlighting SP 400-EB-O Test Boxes Purple backlighting SP 400-EB-P Panel-Mount Indication Red backlighting SP 400-EB-R Low Power Voltage Measurement White backlighting SP 400-EB-W Yellow backlighting SP 400-EB-Y ELECTRICAL SPECIFICATIONS Specification Min. Typ. Max. Unit Accuracy (overall error) * 0.1 % ( 1 count) Linearity 1 count Sample rate 2.5 samples/sec O perating temperature range 0 50 C Temperature stability 100 ppm/C Supply voltage 4.75 5 7.5** V d.c. Supply current at 5V d.c. Display on 40 80*** mA Display disabled 350 A Input leakage current (Vin = 0V) 1 10 pA * To ensure maximum accuracy, re-calibrate periodically. ** Operation of the meter beyond the maximum supply voltage rating may cause permanent damage to the meter. *** An external series resistor is required above 5V, see Applications. **** This n linearly derates to 50mA 50C. Unless otherwise noted, s apply at T =25C, V =5Vd.c. (f =48kHz) and are tested with the module d for single ended input mode. SAFETY To comply with the Low Voltage Directive (LVD 93/68/EEC), input voltages to the modules pins must not exceed 60Vdc. The user must ensure that the incorporation of the panel meter into the users equipment conforms to the relevant sections of BS EN 61010 (Safety Requirements for Electrical Equipment for Measuring, Control and Laboratory Use). LASCAR ELECTRONICS (HK) LTD. LASCAR ELECTRONICS LTD. LASCAR ELECTRONICS INC. 8th FLOOR, CHINA AEROSPACE CENTRE, 4258 WEST 12th STREET, MODULE HOUSE, 143 HOI BUN ROAD, WHITEPARISH, ERIE, KWUN TONG, KOWLOON, WILTSHIRE SP5 2SJ, PA 16505, HONG KONG UK USA TEL: +852 2389 6502 TEL: +44 (1794) 884567 TEL: +1 (814) 835 0621 FAX: +852 2389 6535 FAX: +44 (1794) 884616 FAX: +1 (814) 838 8141 E- mail: saleshk lascar.com.hk E-mail: sales lascar.co.uk E-mail: us-sales lascarelectronics.com No: 695 - Page 1 of 4 www.lascarelectronics.com35.1 (1.38) 34 (1.34) SP 400-EB 3 Digit Backlit LCD Voltmeter Module DIMENSIONS a. 0.75 (0.03) All dimensions in mm (inches) b. 10.00 (0.39) c. 6.00 (0.24) a b c 2.54 (0.1) pitch 7.56 (0.3) 5.02 (0.2) 33.0 (1.30) Panel thickness: 1.0 - 3.0 (0.04 - 0.12) PANELFITTING Panel Module Seal Fixing Clip 1 2 3 4 PIN CONFIGURATION (rear view) FUNCTIONAL BLOCK DIAGRAM V+ Vref CAL BL- LBAT LCOM CAL 1 9 INH + A/D 1 8 INL V- GND DP3 2 1 Page2 of 4 No: 695 - Page 2 of 4 www.lascarelectronics.com 22.4 (0.88) 21.3 (0.84) 20.5 (0.81) V+ GND BL- INH INL DP1 DP2 5.1 (0.2) DP3 V- 0.64 (0.03)