H7ER-NV-BH

Self-powered Totalizer

Image

Miniature Digital tachometer, Tachometer, 48×24×53.5 mm

Function Tachometer
Digits 4digits
Mounting method Flush mounting
External connection method Screw terminals

Item list of H7E[]-N

  • Ratings/Characteristics
FunctionTachometer
Operating voltage range90% to 110% of rated supply voltage
Tachometer (Pulse measurement method)Incrementing Operation Within Unit Time (Up)
Tachometer (Sampling period)Incrementing Operation Within Unit Time (Up): 1 s
Tachometer (Max. counting speed)Incrementing Operation Within Unit Time (Up): 1 kHz
Tachometer (Count range)0 to 9999
Tachometer (Max Display speed)1000 s**-1(rps) (When encoder resolution of 1 pulse/rev is used.)
1000 min**-1(rpm) (When encoder resolution of 60 pulse/rev is used.)
Input signalCount input
Input methodVoltage input
Voltage inputHight level: 4.5 to 30 VDC
Low level: 0 to 2 VDC
Input resistance: 4.7 kΩ
Display method7-segment backlit transmissive LCD
Digits4digits
Character heightMeasurement value: 8.6 mm (Black with backlit (Green))
Zero suppression: Equipped
Prescaling functionNot provided
Key protectionNot provided
Teaching functionNot provided
Batch counting functionNot provided
CommunicationsNot provided
Memory backupLithium battery ()
Battery lifeFor 7 years min. (with continuous input at 25CEL)
Surrounding air temperatureOperating: -10 to +55 ℃
Storage: -25 to +65 ℃
Ambient humidityOperating: 25 to 85%
Storage: 25 to 85%
Insulation resistance100 MΩ min. (at 500 VDC)
Between current-carrying terminals and exposed non-current-carrying metal parts / Between backlight power terminals and count input
Dielectric withstand voltageBetween current-carrying terminals and exposed non-current-carrying metal parts:1000 VAC 50/60 Hz for 1 min
Between backlight power terminals and count input:1000 VAC 50/60 Hz for 1 min
Impulse withstand voltageBetween current-carrying terminal and exposed non-current -carrying metal parts:4.5 kV
Noise immunityBetween backlight power terminals:+/- 480 V
Between count input terminals:+/- 600 V
Square-wave noise by noise simulator (Pulse width: 100 ns/1 us, 1-ns rise)
Static immunity8 kV (malfunction)
Vibration resistance (Destruction)10 to 55 Hz with 0.375 mm single amplitude for two hours each in three directions
Vibration resistance (Malfunction)10 to 55 Hz with 0.15 mm single amplitude for ten minutes each in three directions
Shock resistance (Destruction)300 m/s**2 three times each in six directions
Shock resistance (Malfunction)200 m/s**2 three times each in six directions
Degree of protectionCase front: IP66, NEMA 4 (indoors), and UL Type 4X (indoors)(when using the Y92S-32 Waterproof Packing and Y92F-30 Flush Mounting Adapter)
Terminal block: IP20
Mounting methodFlush mounting
External connection methodScrew terminals
Case colorBlack (Munsell N1.5)
AccessoriesFlush mounting adapter / Waterproof rubber packing / Shock Prevention Cover / Unit label
WeightApprox. 65 g

Series

Self-powered Totalizer

H7E[]-N

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