| PartNumber | H7ER-NV | H7ER-NV-B | H7ER-N |
| Description | Counters & Tachometers Tachometer LCD | Counters & Tachometers SELF-PWRD TACHOMETER | Counters & Tachometers Tachometer LCD |
| Manufacturer | Omron | Omron | Omron |
| Product Category | Counters & Tachometers | Counters & Tachometers | Counters & Tachometers |
| RoHS | Y | Y | Y |
| Product | Panel Mount Tachometer | - | Panel Mount Tachometer |
| Type | Self-Powered Tachometer | - | Self-Powered Tachometer |
| Display Type | LCD, 4 Digit | - | 4 Digit |
| Voltage | 24 VDC | - | - |
| Frequency Response | 1 kHz | - | 1 kHz |
| Series | H7ER | H7ER | H7ER |
| Brand | Omron Automation and Safety | Omron Automation and Safety | Omron Automation and Safety |
| Maximum Operating Temperature | + 55 C | - | + 55 C |
| Minimum Operating Temperature | - 10 C | - | - 10 C |
| Product Type | Counters & Tachometers | Counters & Tachometers | Counters & Tachometers |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Counters & Tachometers | Counters & Tachometers | Counters & Tachometers |
| Part # Aliases | H7ERNV | H7ERNVB | H7ERN |
| Unit Weight | 2.116438 oz | 2.116438 oz | 2.116438 oz |