Description
The Trumeter 722-0004 is a sealed electromechanical AC hour meter in a round, 3 hole mount housing. It accepts any supply from 90 to 264VAC at 50/60Hz, so a single part covers both 115V and 230V equipment instead of stocking two meters.
Typical applications include plant and equipment servicing, generators and pumps, compressors, agricultural and construction machinery, and any asset where recorded run hours drive the maintenance schedule.
A quartz time base keeps long-term accuracy, and the totally sealed polymer case protects the movement against moisture, vibration and contaminants.
Key Benefits
- Wide 90-264VAC input – one meter for 115V and 230V equipment
- Non-reset 6-digit display reading to 99999.9 hours
- Quartz time base for accurate long-term hour keeping
- Totally sealed case built for outdoor and in-cab use
- Round 3 Hole Mount – a standard industry housing, so it drops into existing panel cut-outs
- IP66 and NEMA 4X / 12 with the optional mounting gasket
- Direct replacement for discontinued Eaton, Danaher, Veeder-Root and ENM hour meters – see below
Specifications
- Type – Electromechanical hour meter, non-reset
- Operating voltage – 90-264VAC, 50/60Hz
- Display – 6 figures, 99999.9 hours, white on black
- Mounting – Round, 3 hole mount
- Case material – Black polymer, black bezel, glass lens
- Sealing – Totally sealed; IP66 and NEMA 4X / 12 achieved with the mounting gasket fitted
- Temperature range – -40°C to +85°C
- Vibration – 10-80Hz, 20g max (SAE J1378)
- Shock – 55g at 9-13msec (SAE J1378)
- Approvals – UL/cUL recognised, CE, UKCA, RoHS compliant
- Brand – Trumeter
Competitor Replacements
The 722-0004 is Trumeter’s direct replacement for the discontinued Eaton, Danaher, Veeder-Root and ENM AC hour meters listed below. Danaher and Veeder-Root used the same part numbers, so if you are replacing any of these, this is the meter you want.
- Eaton, 3 hole mount – 6-T-3H-508RPM-406
- Danaher / Veeder-Root, retainer mount – 779526-201
- ENM, 3 screw mount – T51D4
The Eaton and ENM meters used 1/4″ spade terminals; 779526-201 used wire leads. Cross-reference data published by Trumeter. Replacing a part number that is not on this list? Get in touch and we will check it for you.


















