DX020 Tachometer & Frequency Counter LED tachometer (48x24mm)-RPM, Frequency, Speed, & Cycle Rate

Model Numbers

DX 020  Panel Tachometer and Frequency Counter

Features

  • Simple low-cost panel tachometer with dimensions 48 x 24 mm (1.89" x 0.945") and operation modes as tachometer, counter or timer /stopwatch
  • Tow presets and two output relays
  • ZX122: 10 - 30 VDC power supply, ZX123: 90-250 VAC and aux. output 24 VDC for encoder supply otherwise both models are similar
  • Max. input frequency 20 kHz respectively 10kHz
  • Bright LED display, 6 decades at 8 mm size (0.315")
  • Programmable impulse scaling factor 
  • Easy to set  up by four front keys and menu support
  • Add-on frame for 50x50mm panel cut-out (1.969 x 1.969")

Specifications

Power Supply UB  10-30 VDC, max. 50 mA 
Display  6 Decade / 8mm (0.315") 
Inputs  NPN/ PNP/Namur, Ri = 10kOhm 
Counting Frequency 

with 12 volts power input: 20 kHz 

with 24 volts power input: 60 kHz

with the filter switched on: 30Hz 

Switching levels of inputs (typical) Low = 0V - 0.2 x UB; High = 0.8 x UB - 30V
Impulse Shape any (Schmitt Triggers) 
Data retention  10^6 cycles / 10 years
Max. Error < 0.1%
Operating temperature  -20° +55°C (-4 +131°F) 
Storage Temperature  -25° +70°C (-13 +158°F) 
Weight  50g 
Protection Class (front side only)  IP65 
 Conformity and Standards EMC 89/336/EEC:  EN61000-6-2, EN 61000-6-3; LV73/23/EEC: EN 61010-1