Appendix a: specifications, Analog specifications – Salter Brecknell 750 Series User Manual

Page 35

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APPENDIX A: SPECIFICATIONS

ANALOG SPECIFICATIONS

Full Scale Input Signal

30mV, including dead load

Minimum Sensitivity - Non H-44

0.4

µV / grad

Minimum Sensitivity - H-44

1.0

µV / grad

Input Impedance

30M

Ω, typical

Internal Resolution

Approximately 260,000 counts

Display Resolution

50,000 display divisions max

Measurement Rate

10 Meas/sec, nominal

System Linearity

Within 0.02% of FS

Calibration Method

Software Calibration, with long term storage in EEPROM

Excitation Voltage

+10VDC, 8 x 350

Ω load cells

DIGITAL SPECIFICATIONS

Microcomputer

Intel 80C32
Program Memory:

64K x 8, external to

µC

EEPROM:

64 x 16, external to

µC

Digital Filtering

Software selectable

SERIAL COMMUNICATIONS

Serial Port

Full Duplex, 1200, 2400, 4800, 9600 Baud
8 data bits, no parity, 1 stop bit
7 data bits, odd parity, 1 stop bit
7 data bits, even parity, 1 stop bit
7 data bits, no parity, 2 stop bits

OPERATOR INTERFACE

Display - S750/20

1" (25 mm) 7-segment, Led, 6 Digit

Display - S750-8/30

0.8" (19 mm) 7-segment, Liquid Crystal, 6 Digit

Additional Symbols

Net, Gross, Stable, Tare, lb, kg, Pieces, Zero

Keyboard

5-key flat membrane panel

POWER

Standard AC Input

110/220 VAC , 50/60 Hz

Optional AC Adapter

12 VDC, 800mA Female

DC Power Consumption - S750/20

200mA + 30mA/350

Ω Load Cell

DC Power Consumption - S750-8/30

80mA + 30mA/350

Ω Load Cell

ENVIRONMENTAL

Operating Temperature

–10° to +40

° C

Storage Temperature

-25° to +70

° C

MECHANICAL

Overall Dimensions (L x W x H) –
S750/S750-8

12.2” x 3.9" x 8.1" (310mm x 100mm x 205mm)

Overall Dimensions (L x W x H) –
TI-S750S/TI-S750S-8

11.8” x 3.9" x 7.7" (300mm x 100mm x 195mm)

APPROVALS

NTEP

Class III/IIIL COC 99-017

Canadian Legal Branch of
Metrology

Class III Approval No. AM-5305

European CE Mark

Meets test requirements for:
EN55011for Class B ISM
EN50082-1 for Residential, Commercial and Light Industrial

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