4
WI-125 SST Indicator Service Manual
Specifications
Dimensions:
8.25" x 6.25" x 4" (210mm x 159mm x 102mm) without mounting bracket
10" x 9" x 5.5" (254mm x 229mm x 140mm) with mounting bracket
Power:
115 volts AC @ 50 mA / 230 volts AC @ 25 mA, 50-60 Hz single phase
Optional - 12 VDC (LCD version only)
Display:
8 digits, 7-segment LCD or LED, 0.6 inch high with annunciators and backlighting (LCD only)
Display Averaging:
1 to 10 display periods
Display Rate:
One, two or five times per second
Agencies:
NIST Handbook 44, Class III, IIIL, 10,000 divisions. LCD & LED - Certificate of Conformance #92-167.A4
Consumer and Corporate Affairs, Canada. LCD & LED Approval #AM4868
UL/CUL
CSA
FCC Class A
Accuracy :
Span: ±5.0 ppm/C
Zero: ±.066 uV/C (-10 to 40°C)
Span: ±10 ppm/C
Zero: ±0.13 uV/C (-30 to 60°C)
Linearity:
±0.005% of capacity, maximum
Repeatability:
±0.005% of capacity, maximum
Hysteresis:
0.005% of capacity, maximum
Weigh bar drive capacity:
Up to eight 350 ohm weigh bars for LCD version. Up to twelve 350 ohm weigh bars for LED version.
Environment:
-10 to 40°C (14 to 104°F) for HB-44 specs
10 to 90% relative humidity
Internal Resolution:
810,000 at 3 mV/V. 1 mV/V = 270,000 counts
A to D conversion rate:
30 times per second (60/second for LED version)
Analog Range:
-0.14 to +3.5 mV/V
Capacity:
0.1 to 999999, programmable to any number between these limits.
Divisions:
.0001 to 20000, programmable to any division size between these limits.
Push Button Zero Range:
0 to ±100% of capacity; programmable independent positive and negative limits; unit will not allow zeroing
beyond capacity.
Tare:
The unit may be configured to have pushbutton tare and numeric tare. Tares may tare only positive gross
weights up to the capacity of the unit.
Motion Detection Window:
Programmable from 0 to 999999 divisions, decimal entries are accepted.
Automatic Zero Tracking:
Window:
Programmable from 0 to 999999 divisions, decimal entries are accepted.
Net Mode
Tracking:
May be enabled or disabled
Rate:
0.1 division per second
Starting Delay:
2 seconds
Linearity Adjustment:
Second order correction provides smooth curve fit through three points--zero, linearity, span.
VIBRATION COMPENSATION
Analog Low Pass Filter:
Two section with .10 second time constant for low power analog and .06 second time constant for standard
analog.
Software Low Pass Filter:
One section with .05 second time constant.
Summary of Contents for WI-125 SST
Page 1: ...WI 125 SST Indicator Service Manual LED version LCD version...
Page 2: ...2 WI 125 SST Indicator Service Manual...
Page 8: ...8 WI 125 SST Indicator Service Manual Figure 2 Configuration Menu...
Page 9: ...9 WI 125 SST Indicator Service Manual...
Page 36: ...36 WI 125 SST Indicator Service Manual...
Page 48: ...48 WI 125SST INDICATOR LED VERSION 115 230VAC SYSTEM BLOCK DIAGRAM...
Page 50: ...50 WI 125SST INDICATOR LED VERSION 115 230VAC KEYPAD OPTIONAL P C BOARDS...
