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ERM-3770 Digital Tachometer 24VDC

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  • Weight
    0.5 kg
  • SKU

ERM-3770-N series Digital Tachometers are designed for measuring the speed/frequency in Industry. Can accept NPN or PNP signals and has 1 alarm relay output

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  • $98.65

ERM-3770-N series Digital Tachometers from Emko Elektronik  are designed for measuring the speed/frequency in Industry. Can accept NPN or PNP signals and has 1 alarm relay output


  • 4 Digits display
  • NPN or PNP Input Type
  • Working with Process Set and Alarm Set Value
  • Alarm output
  • Relay output ( SSR driver output optional)
  • Alarm set value boundary
  • Adjustable decimal point
  • Division Rate
  • 0,07Hz to 10000Hz input signal
  • Automatic sampling (1 sec. to 16 sec.)
  • Programming mode password protection

Manufacturer part: ERM-3770-N.


Download User Manual

Power supply 24 Vac/dc ac (+%15, +%10) 50/60 Hz. 1.5 VA
    Power consumption 1.5VA
      Outputs 1 Relay Output 5A@250VAC Resistive load
Dimensions77 x 35 x 63mm Panel cutout 71 x 29mm
    Weight200 gm
Operating temperature 0°C ÷ +50°C (standard)
    Display LED,  4 x 10 mm red digits
Input Signal NPN or PNP Selectable
    Measurement range 0,07Hz to 10000Hz Input signal 

Faulty Goods and Warranty

Where such goods have been supplied we undertake to repair or replace them as quickly as possible.Prior to returning faulty items, please contact us with a description of the fault as one of our engineers might be able to assist you by resolving the issue over the phone.
A Warranty form must be filled out and returned with any goods.

Our standard warranty period is 12 months from the date of purchase unless stated otherwise.

Other warranty periods:

Labjack Products: 5 Years
Atop Products: 3 Years
MeanWell Products: 3 Years
Terracom Products: 3 Years

Warranty is subject to us being satisfied that a defect was caused by defective workmanship or materials and was not caused by or was not substantially contributed to by other factors beyond our control including incorrect installation, alterations or modifications of the product not recommended by the manufacturer.

Returns Policy

If you are dissatisfied with our goods you may return them within 14 days of the dispatch date. Contact us for an authorisation and we will refund your purchase less shipping costs and restocking fees. All returned goods MUST be in AS NEW condition including ALL PACKAGING and DOCUMENTATION / MANUALS etc.

Please note:

  • The product returned will attract a 20% restocking fee.
  • The customer must pay the delivery costs.
  • Non standard, custom made or a specially manufactured or imported products are not returnable.
  • Semiconductors, books and software are not refundable

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By placing an order with Ocean Controls, you agree to be bound by our Terms and Conditions of Trade.

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