Self-powered Totalizer


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

Function Tachometer
Digits 5digits
Mounting method Flush mounting
External connection method Screw terminals

Item list of H7E[]-N

  • Ratings/Characteristics
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): 10 kHz
Tachometer (Count range)0 to 99999
Tachometer (Max Display speed)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.)
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 transmissive LCD
Character heightMeasurement value: 8.6 mm (Black)
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
Dielectric withstand voltageBetween current-carrying terminals and exposed non-current-carrying metal parts: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 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 colorLight gray (Munsell 5Y7/1)
AccessoriesFlush mounting adapter / Waterproof rubber packing / Shock Prevention Cover / Unit label
WeightApprox. 60 g


Self-powered Totalizer


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