The Omron H7ER-NV1-H Counter provides high-speed tachometer measurement with selectable 1 kHz and 10 kHz modes for precise monitoring of fast-moving mechanical systems. Its 5-digit backlit LCD ensures excellent readability in low-light environments. Supporting 4.5β30 VDC voltage inputs, it integrates smoothly with encoders of various resolutions. Built to industrial-grade standards, it offers strong immunity to ESD, noise, vibration, and shock. The IP66 front design enhances durability in harsh surroundings. Manufactured by Omron and categorized under Omron Counter offerings, this unit belongs to the Omron H7ER Series.
1000.0 s-1(rps) (When encoder resolution of 10 pulse/rev is used.)
1000 min-1(rpm) (When encoder resolution of 600 pulse/rev is used.)
10000 min-1(rpm) (When encoder resolution of 60 pulse/rev is used.)
Display Character height
8.6 mm (Black)
Display Zero suppression
Equipped
Ambient temperature (Storage)
-10 to 55 β (with no freezing or condensation)
Ambient humidity (Operating)
25 to 85 %
Dielectric withstand voltage
Between current carrying terminals and exposed non-current carrying metal parts: 1000 VAC 50/60 Hz 1 min
Impulse withstand voltage
Between current carrying terminals and exposed non-current carrying metal parts: 4.5 kV
Noise immunity
Between count input terminals: Β±500 V
square-wave noise by noise simulator (pulse width: 100 ns/1 Β΅s, 1-ns rise)
