Multi-function counter
Feature
1. Red LED display
2. Backup data for power fail
3. Multi-function intelligent meter, used as counter frequency meter,
speed meter etc. by pressing four key(32 type)
4. Main fold relay output fashion
Model and parameter
1.counting signal Impedance more than 100KΩ
Input level H more than 5V; L less than 2V
Max. Input 50V
Step descend edge
2.contact content AC250V 3A;
3. Noise elimination ratio more than NMR 40dB (50Hz/60Hz) ±10%
4.Over range indication digital flashing
5.Operation temperature 0-50°C,
6.Power voltage AC110/220V 3A; (50Hz/60Hz) ±10%
7.Consumption about 3AV
8.Insulation strength DC500V 20MΩ
9.Insulation strength AC2000V 1min