Kübler
Kübler CODIX 908 Counter, 12 Digit, 5kHz, 10 → 30 V dc
Part: 6.908.0100.3A0
Twelve-digit LCD counter counts up and down to 5kHz with relay output.
Omron
Omron H7CX Counter, 6 Digit, 5kHz, 100 → 240 V ac
Part: H7CX-AW-N
Six-digit counter for mid-speed pulse counting directly on mains AC power.