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称重仪表也叫称重显示控制仪表，是将称重传感器信号（或再通过重量变送器）转换为重量数字显示，并可对重量数据进行储存、统计、打印的电子设备，常用于工农业生产中的自动化配料，称重，以提高生产效率。
美国Transducer Techniques SSI是一款智能插拔式TEDS IEEE 1451.4仪表，连接称重传感器或者扭矩传感器TEDS接头，可自动校准。SSI内置双报警继电器，伴随LED灯和声响指示。自带USB接口，将数据采集给PC端。
The SSI is a Plug & Play Smart TEDS IEEE 1451.4 compliant portable handheld Load Cell Indicator. Just plug in a TEDS compatible Load Cell or Torque Sensor and the SSI will automatically selfcalibrate. When used with a non-TEDS Load Cell or Torque Sensor, the SSI can be set up by simple front panel push buttons. The SSI can be scaled to a full 5 digit display from 0 to 99,999 counts to read directly in engineering units such as grams, ounces, pounds, inch pounds, etc. The SSI also has a Units key for automatic conversion of readings for load, torque and pressure. The SSI has an ultra-fast signal-sampling rate of 15,360 samples/second for true peak and/or valley testing capability. Auto-tare allows the meter to be set to zero for any input signal level. The SSI also features a USB port for data logging to a PC. You can also log data to the SSI’s internal memory storing up to 8,000 time and date stamped readings. The SSI also features 2 built-in solidstate alarm relays with LED and audible indicators. The SSI will operate up to 65 hours on a single charge or use the included battery charger for applications where the SSI is mounted permanently.
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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 4-digit recall number, 10-segment bar graph,
choice of 18 units of measure, battery life indicator, operating mode indicator
Overload indication Display flashes at 120% of HiRead
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)
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
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
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, 0.4A
Battery charger output 5.0V dc, 1.0A
订货型号
SSI N/A Smart Sensor Indicator
配件
USB-2.0A/B N/A USB 2.0 A/B 10ft Cable
SSI-AMB N/A Adjustable Mounting Bracket
SSI-TRES N/A TEDS Reader Editor Software
SSI-DLS N/A Data Logging Software
