特性
100kg… 3t, Type D1/C3/C6
1. Easy to install
2. Easy corner adjustment by matched load cell outputs
3. Full stainless steel construction
4. Wide temperature range
5. Resistant against vibration
6. Hermetically sealed, IP 68 (depth of 1.5m for 10,000 hrs.), IP 69K
7. Ex-version available
8. W& M approval (acc. to OIML R 60)
光栅式传感器利用光栅形成的莫尔条纹把角位移转换成光电信号（图2）。光栅有两块，一为固定光栅，另一为装在表盘轴上的移动光栅。加在承重台上的被测物通过传力杠杆系统使表盘轴旋转，带动移动光栅转动，使莫尔条纹也随之移动。利用光电管、转换电路和显示仪表，即可计算出移过的莫尔条纹数量，测出光栅转动角的大小，从而确定和读出被测物质量。
参数
Technical Data D1 C3 C6
Accuracy class 0.04 0.015 0.008% Emax
Minimum dead load lowest limit of specified measuring range Emin 0 0 0 % Emax
Maximum capacity highest limit of specified measuring range Emax s. table s. table s. table
Max. usable load upper limit for measurements Eu 150 150 150 % Emax
Destructive load danger of mechanical destruction Ed > 300 > 300 > 300 % Emax
Min. LC minimum load cell verification interval, (vmin= Emax/Y) Y 5,000 14,000 20,000
verification interval
Rated output relative output at nominal load Cn 2 2 2 mV/V
Tolerance on rated output permissible deviation from rated output dc < 0.25 < 0.07 < 0.07 % Cn
Zero output signal load cell output signal under unloaded condition Smin < 1.0 < 1.0 < 1.0 % Cn
Repeatability error max. change in load cell output for repeated loading εR < 0.01 < 0.005 < 0.005 % Cn
Creep, during 30 min. max. change in load cell output under nominal load dcr < 0.03 < 0.015 < 0.008% Cn
Non-Linearity max. deviation from best straight line through zero dLin < 0.03 < 0.01 < 0.01 % Cn
Hysteresis max. difference in load cell output when loading from dhy < 0.04 < 0.015 < 0.008% Cn
zero to nominal load and unloading back to zero
Temperature effect on Smin max. change of Smin/10K DT over BT referred to Cn TKSmin < 0.028 < 0.01 < 0.007 % Cn/10K
Temperature effect on C max. change of C /10K DT over BT referred to Cn TKc < 0.03 < 0.01 < 0.005 % Cn/10K
Input impedance between supply terminals RLC 650 ± 6 650 ± 6 650 ± 6
Output impedance between measuring terminals RO 610 ± 1 610 ± 0.5 610 ± 0.5 Ω
Insulation impedance between measuring circuit and housing 100VDC RIS > 5,000 > 5,000 > 5,000 MΩ
Recommended to hold the specified performance Bu 4… 24 4… 24 4… 24 V
supply voltage supply voltage
Max. supply voltage permissible for continuous operation without damage Umax 25 25 25 V
Nominal ambient to hold the specified performance BT -10… +55 -10… +55 -10… +55 ° C
temp. range
Usable ambient permissible for continuous operation without damage BTu -40… +95 -40… +95 -40… +95 ° C
temp. range
直接感受被测量(质量)并输出与被测量有确定关系的其他量的元件。如电阻应变式称重传感器的弹性体，是将被测物体的质量转变为形变;电容式称重传感器的弹性体将被测的质量转变为位移。
订货型号
Type Nominal Load Emax Version Ex-Version Packing Weight gross/net
PR 6246/12.. 100kg /..D1 /..D1E 220 x 215 x 135mm 1.2kg/0.8kg
PR 6246/22.. 200kg /..D1/..C3/..C6 /..D1E/..C3E/C6E 220 x 215 x 135mm 1.2kg/0.8kg
PR 6246/32.. 300kg /..D1/..C3/..C6 /..D1E/..C3E/C6E 220 x 215 x 135mm 1.2kg/0.8kg
PR 6246/52.. 500kg /..D1/..C3/..C6 /..D1E/..C3E/C6E 220 x 215 x 135mm 1,2kg/0.8kg
PR 6246/13.. 1t /..D1/..C3/..C6 /..D1E/..C3E/C6E 220 x 215 x 135mm 1.9kg/0.8kg
PR 6246/23.. 2t /..D1/..C3/..C6 /..D1E/..C3E/C6E 220 x 215 x 135mm 2.1kg/1.6kg
PR 6246/33.. 3t /..D1/..C3/..C6 /..D1E/..C3E/C6E 220 x 215 x 135mm 2.1kg/1.7kg
又称传感元件，是将敏感元件的输出转变为便于测量的信号。如电阻应变式称重传感器的电阻应变计(或称电阻应变片)，将弹性体的形变转换为电阻量的变化;电容式称重传感器的电容器，将弹性体的位移转变为电容量的变化。有时某些元件兼有敏感元件和变换元件两者的职能。如电压式称重传感器的压电材料，在外载荷的作用下，在发生变形的同时输出电量。
