Transducer Techniques SSI User Manual

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16. SPECIFICATIONS
Display
Type ........................................................ Reflective LCD, 2.56” x 1.73” (65 x 44 mm) window
Main numeric display ........................................ 6 seven-segment digits, 0.57” (14.5 mm) high
Other displayed items ............................. 5-digit recall number, choice of 18 units of measure,
battery life indicator, operating mode indicator
Overload indication ............................................................ Display flashes at 120% of HiRead
Response Rates
Normal data sampling rate .......... 15,360 samples/second (setting for 60 Hz noise rejection)
12,800 samples/second (setting for 50 Hz noise rejection)
Normal conversion rate ............................................................................. Every 256 samples
60/second (setting for 60 Hz noise rejection)
50/second (setting for 50 Hz noise rejection)
Fast conversion rates .............................................. Every 2 to 128 samples (programmable)
Relay response rate ............................................................ Same as Normal conversion rate
Display update rate ............................................................................... Every 16 conversions
3.750/second (setting for 60 Hz noise rejection)
3.125/second (setting for 50 Hz noise rejection)
Peak & valley capture rate (selectable) ............ Every 2, 4, 8, 16, 32, 64, 128 or 256 samples
Peak & valley display update rate ................. 3.750/second (setting for 60 Hz noise rejection)
...................................................................... 3.125/second (setting for 50 Hz noise rejection)
Analog-to-Digital Conversion
Recommended load ................................................................................ 120-10K ohm bridge
Bridge excitation voltage .................................................................................................. 3.0V
Provision for variations in bridge excitation ............................................ Ratiometric operation
Signal span, max ........................................................................................................... 15 mV
Transducer sensitivity range ................................................................................... 1-5 mV / V
A-to-D converter resolution ................................................................. 16 bits (65,536 counts)
Signal resolution .................................................................................................. 0.5 µV/count
Accuracy at 25°C ......................................................................................................... ±1.5 µV
Span Tempco ....................................................................................... 0.0015% of reading/°C
Zero Tempco ............................................................................................................ 0.2 µV/°C
NMR with no filtering ...................................................................................................... 90 dB
Signal filtering (selectable) .................................. 1) No filtering: 50 or 60 conversions/second
2) Batch average of 16 conversions
3) Moving average of conversions
Power Requirements
Internal battery ................................................................................. Rechargeable lithium ion
Battery capacity (nominal) .............................................................................. 2400 mAh, 3.7V
RUN time on single battery charge .................................. Up to 65 hours with 350 ohm bridge
Battery charger .................................................................................. Wall plug AC power unit
Battery charger input ................................................................ 100-240V ac, 50/60 Hz, 0.15A
Battery charger output ........................................................................................ 5.0V dc, 1.0A
Battery charging time, max ........................................................................................... 8 hours

Transducer Techniques SSI Specifications

General

Brand	Transducer Techniques
Model	SSI
Category	Measuring Instruments
Language	English