Why choose Communica for counters and tachometers
When you need accurate pulse counters, panel-mounted totalisers or handheld/shaft tachometers, downtime and unclear delivery windows cost projects. Communica offers a broad range of counters and tachometers in local stock that suit hobbyist builds, student labs and production test benches - with the convenience of Samrand pickup and branch collection in Pretoria or Cape Town. Shop Now to see live availability and compare specs before you commit.
Practical value for South African makers and engineers
We focus on what matters: clear specification callouts, accessory compatibility (sensors, mounting kits, power adapters) and advice for integrating with microcontrollers and PLCs. For tertiary labs and procurement teams, we provide VAT invoices and account quotes - Request a Quote for bulk orders or education pricing.
Product types and common use cases
Counters and tachometers fall into a few practical categories. Below is a short guide to matching form factor to application so you pick the right device quickly.
- Panel counters/totalisers - persistent counting for production lines or meters.
- Handheld/contactless tachometers - quick RPM checks on motors and drives.
- Magnetic/optical pickup modules + digital counters - for building custom measurement rigs with microcontrollers.
- Frequency-to-RPM modules - for converting sensor pulses into readable RPM values for displays or data loggers.
Specification callouts to compare
When comparing models, focus on input type, pulse rate limit, display resolution, power requirements and enclosure rating. The table below highlights typical spec ranges so you can Compare Specs at a glance.
| Type | Input | Max pulse rate | Display | Power |
|---|---|---|---|---|
| Panel counter | Dry contact / TTL | 50 kHz | 6-8 digit LED | 12-24 VDC |
| Handheld tachometer | Non-contact (laser) / contact | 20,000 RPM | LCD | Battery / 9 V |
| Frequency module | TTL / analog pulse | 100 kHz | UART / 7-seg | 5 VDC / 12 VDC |
Quick compatibility checklist
Before ordering, confirm these four items: input sensor type (optical, magnetic, hall-effect), pulses per revolution (PPR), required update rate, and mounting style. If you need help selecting sensors or connectors, explore the Collections to filter by category and match accessories to your counter or tachometer.
Find compatible sensors and accessories on our Collections page, or browse brands on Shop by Brand.
