New high-precision digital voltmeter, with upper and lower limit voltage alarm output function. Can be used as overvoltage,undervoltage alarm output. If connect with relay it also can be used as overvoltage or undervoltage protection. 3-wires, and you can change it to 2-wires. Input with anti-reverse protection
When the measured voltage below 10V, automatic transfer decimal point,increase the resolution of low voltage.
Featrures:
Measuring range: DC 10V 20V 50V 100V 300V 1000V
Upper and lower limit setting range : 0-10V 20V 50V 100V (0.1V onwards)
0-300V/1000V (1V onwards)
Upper and lower limit output level mode: In the setting range is high level, exceeding the set value is low level.
Minimum resolution: 10V range 0.01V
20V range 0.02V
50V range 0.05V
100V range 0.1V
300V range 0.3V
999V Range 1V
Refresh rate: 300mS / times
Display color: Red
Operating temperature: -40°C to +85 °C
Input reverse polarity protection: yes
Wiring: wire-type (Default is 3-wire. If you need to change to 2-wire,please R1 shorted connection{look at the pictures}).
Note: when work in 2-wire mode, the measurement range and power supply range is the same, so do not exceed 30V measurements. Measuring the voltage exceeds 30V, use 3-wire.
Install method: 2 pieces 2mm screws
Size: 29*23*10 mm (L*W*H)
Logistics information
Our products are located in Hong Kong, China, and the logistics speed depends on your specific location. According to our experience, it usually takes about 15-20 days of transportation time
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How to choose the correct size:
Step 1 Please measure your foot length carefully.
Step 2 Please choose the correct size according to your foot length and chinese size.
For example, If your foot length is 255 mm , you should choose the size 8.
