产品优势描述：

wide measuring range & high resolution，contact and non-contact two kinds of measurement

can store 99 sets data

digital display gives exact rpm（surface speed、line length）with no guessing or errors

the last value/max, value/rain, value will be automatically stored in memory and can be displayed by turn anytime

the use of durable, long-lasting components, including a strong, light weight abs-plastic housing assures maintenance free performance for many years. the housing has been carefully shaped to fit comfortably in either hand.

产品特征：features

display：5 digits, 18mm (0.6-inch lcd screen)

accuracy：±（0.05% + 1 digi）

message range：     photo tach：   2.5～99，999 rpm

                   contact tach：0.5～19，999 rpm

                  surface tach：0.5～1999.9（m/min）

photo tach resolution：0.01 rpm (2.5 to 999.99 rpm)

0.1 rpm (1000 to 9999.9 rpm)
                             1 rpm (over 1,0000 rpm)

contact tach resolution：0.01 rpm (2.5 to 999.99 rpm)

0.1 rpm (1000 to 9999.9 rpm)
                             1 rpm (over 1,0000 rpm)

surface tach resolution：0.1 m/min (0.5 to 999.9rpm)、

1 m/min  （over 1000rpm）

test range select：automatic

memory：last value, max. value,min. value、can store 99 sets data

detecting distance：50 to 500 mm

产品描述：description:

time base：6mhz quartz crystal

sampling time：0.5sec（over 120 rpm）

range select：auto range

circuit：exclusive one-chip of microcomputer lsi circuit.

battery：3 * 1.5v aa

power consumption：approx. 35ma (led)
                      approx. 30ma (laser)

operation temp.：0 to 50°c(32 to 122°f)

size：184 x 76 x 30 mm

weight：204g (including battery)

accessories：4 * 1.5v aa battery、3 x reflecting tape marks、1 x user manual

包装信息：stand corton

packing details：gift box

carton：53 x 42 x 41.5 cm

packing ：30 pcs/ctn

g.w.:16 kgs   n.w.：15 kgs

本产品的加工定制是是，品牌是威华电子，型号是DT6236B，类型是手持式，测量范围是phototach：2.5～99，999RPM，测量精度是Phototachresolution：0.01RPM(2.5to999.99RPM，产品适用范围是转速测量，颜色是深蓝或者铁灰