


| Parameter | Value |
|---|---|
| Item (Self-powered tachometer) | H7ER-NV1-_ |
| Display (Self-powered tachometer) | 7-segment LCD with or without backlight, zero suppression (character height: 8.6 mm) |
| Attachment (Self-powered tachometer) | Waterproof packing, flush mounting bracket, revolution unit labels |
| Count input (Self-powered tachometer) | High (logic) level: 4.5 to 30 VDCLow (logic) level: 0 to 2 VDC(Input impedance: Approx. 4.7 kΩ) |
| Operating mode (Self-powered tachometer) | Up type |
| Supply voltage (Self-powered tachometer) | Backlight model: 24 VDC (0.3 W max.) (for backlight lit)No-backlight model: Not required (powered by built-in battery) |
| Mounting method (Self-powered tachometer) | Flush mounting |
| No-voltage input (Self-powered tachometer) | 7-segment LCD |
| Number of digits (Self-powered tachometer) | 5 |
| Ambient temperature (Self-powered tachometer) | Operating: −10 to 55°C (with no condensation or icing), storage: −25 to 65°C (with no condensation or icing) |
| Max. counting speed (Self-powered tachometer) | 10 kHz |
| Degree of protection (Self-powered tachometer) | Front-panel: IP66, NEMA4 with waterproof packing, terminal block: IP20 |
| External connections (Self-powered tachometer) | Screw terminals, wire-wrap terminals |
| Minimum signal width (Self-powered tachometer) | 10 kHz: 0.05 ms, 1 kHz: 0.5 ms |
| Size in mm (H×W×D) (Self-powered tachometer) | 24×48×53.5 |
| Battery life (reference) (Self-powered tachometer) | 7 years min. with continuous input at 25°C (lithium battery) |
| Max. revolutions displayed (Self-powered tachometer) | 1,000.0 s-1(when encoder resolutionof 10 pulse/rev is used)1,000.0 min-1(when encoder resolution of 600 pulse/rev is used)<-> 10,000 min-1(when encoder resolution of 60 pulse/rev is used)(switchable with switch) |
| 7-segment LCD with backlight (Self-powered tachometer) | Black |
| PNP/NPN universalDC voltage input (Self-powered tachometer) | 7-segment LCD |
| 1,000.0 s-1 (10 pulse/rev)1,000.0 min-1 (600 pulse/rev) <->10,000 min-1 (60 pulse/rev) (switchable) (Self-powered tachometer) | H7ER-NV1 |
Technical specifications and performance data
Installation and operation guide