MG-2500滚动光栅检测头及数显表，是中大型机床设备数显化改造的理想元部件。
MG-2500 Probe with rotary gratingsdigital display are ideal components for technical renovation of medium-and large-sized machine toolsequipments.
滚动光栅检测头由圆光栅系统，精密预应力轴系，高精度摩擦轮及弹性加力机械组成，是一种测量长度不受限制的位移传感器。它与数显表配套，组成长度测量系统。该系统安装方便，准确可靠，具有零位功能，可以自检，抗干扰性能好。数据可按BCD码，TTL电平输出。
The probe consists of rotary grating system, precision prestressed shafting, high accuracy friction wheelsan adjusting device of elastic force. It is a displacements transducer, of which the measuring length is unlimited. Equipped with digital display, it becomes a length measuring system. The system is easy for installationis accuratereliable. IT has the function of function of absolute zeros,therefore it can be self-checking. It has the performance of anti-disturbance. The data is output in BCD codeat TTL level.
滚动光栅检测头主要技术参数：
测量行程 不受限制
摩擦轮周长 250mm
工作压力 40N
内摩擦力矩 50g-cm
工作环境温度 0~40℃
重量 1100g
外形尺寸 90 x 90 x 150（mm）
测量精度 误差Δ≤0.01+0.003 x L/250+resolution (mm)
＊注：L－测量长度
Specifications of Probe：
Measuring stroke unlimited
Perimeter of friction wheel 250mm
Working pressure 40N
Internal moment of friction 50g-cm
Ambient temperature 0~40℃
Weight 1100g
Shape size 90 x 90 x 150（mm）
Measuring accuracy ErrorΔ≤0.01+0.003 x L/250+resolution (mm)
＊Note：L－Measuring length
数显表：
| 规格\型号 | DSC-701 | DSC-702 | DSC-703 | GLT2001 |
| 显 示 | 绿色FND7位数并有“-”符号 | 绿色FND7位数并有“-”符号 |
| 公制/英制转换 | 直接转换 | |
| 分辨率 | 0.0002 inch/0.00004 inch (0.005mm/0.001mm) | 10μ、5μ、1μ |
| 资料记忆 | 每轴50个点 | 零位 |
| 线性补偿 | 0.000001~9.999999 | |
| 坐标记忆 | 断电时约十年 | |
| 使用温度 | 23°F~113°F （-5℃~45℃） | -10℃~+45℃ |
| 电力消耗 | 15VA | 30VA |
| 尺寸 | 11x4.3x5.9inch 4.85 lb (279(W)x110(D)x151(H),2.2KGS) | 285x175x61(mm)，4KGS |
| 电源 | AC80~264V, 50/60Hz. 自由电压 | AC220V、50Hz±(10~15)%) |
| 外壳 | 铝质外壳 | 铁皮外壳 |
| 键盘 | 薄膜式 | 按键式 |
| 功能提示 | 红灯 | 红灯 |
