Inputs
LCA15变送器
通用型称重变送器
多种输出模块(电压/电流/数字)可供选择
输入灵敏度范围0.5-200mV
10V,160mA激励,至多可驱动6只350欧姆传感器
6线制连接用于远距离补偿
全隔离4-20mA和0-10V输出
2个固态继电器设定点输出
AC/DC供电可选
数字显示编程板
透明ABS/铸铝外壳可选
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The input is of the Load Cell/Strain Gauge type. With transducer excitation voltage of 9.6 volts @ 160mA to drive 6 x 350R bridges
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Compensation by ± sense wires for cable and safety barrier losses down to 3V excitation
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Load cell sensitivity is preset via DIL switches to 0.5, 0.8, 1.0 1.25, 1.5, 2.0, 2.5, 3.5, 5, 10, 20, 50, 100 or 200mV/V
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Initial offset is no greater than ± 0.15mV (15uV/V) which is cancelled during auto calibration
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Speed
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is 10 readings per second with a digital filter to reduce speed
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Accuracy
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is 90 days ± 0.08% of reading, +/- 0.05% FSD being typical
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Drift
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is 0.002% per degree C @ 2.5mV/V typical
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Resolution
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15 bit/ 4.5 digits
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Contact inputs
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are available for auto tare, print and peak hold reset and are volt free
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Analogue Outputs
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Drive
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4-20mA up to 1Kohm and 0-10 volts up to 2mA
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Accuracy
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4-20mA + 0.15% of range, typical. 0-10V ±2% before calibration
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Resolution
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as for display up to 13 bits/4.5 digits. Settling time 350mS to within 1% of step change
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Isolation
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±130V RMS or DC max to analogue input or any other port
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Power Supplies
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LS1
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110V-120V AC or 220/230V AC 50-60Hz 10W
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LS3
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9-32V DC 10W isolated
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Data Retention/Protection
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Retention
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10 years for set up values, minimum of 100,000 write cycles
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Protection of data and function(s)
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Watchdog timer giving repeat auto resets. Impending power detection and hold off. Keypad security and time out
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Other Options & Accessories
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2 Set Points
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Output through 5A 240V AC SPCO Relays, with a latching option
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Communications Port
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For data transfer or print via :-
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RS485
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Enabling up to 25 units to be multi dropped
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RS232
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For 1 to 1 connection and standard printer drive
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Printer Operation
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By closure of volt free contact
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Baud Rates
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300, 600, 1200, 2400, 4800, 9600 (19200 MANTRABUS only)
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Die Cast Case
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Sealed to IP65 / NEMA 4 with external dimensions of 220 x 120 x 80mm max
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Stainless Steel Case
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Sealed to IP65 / NEMA 4 with external dimensions of 224 x 160 x 90mm
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PCB Only (Eurocard) (LCB)
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100 x 160 X 57mm for rack or customers enclosure
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Environmental
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Storage Temperature
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-20 to +70ºC
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Operating Temperature
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-10 to 50ºC
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Relative Humidity
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95% maximum non condensing
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CE Environmental Approvals
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European EMC Directive 2004/108/EC, Low Voltage Directive 2006/95/EC
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