Choosing the Right Amp Meter
Trumeter offers several Advanced Panel Meters capable of measuring amps. Use the table below for an at-a-glance look at the differences between these meters.
| Type of Current | External Accessory Required | Power Input Required | Modbus | Cutout & Characters | Accuracy | |
|---|---|---|---|---|---|---|
| APM Amp Meter | AC & DC | Current Transformer (AC > 5A) | 12 - 24V AC/DC | No | 68x68mm 12mm display characters |
1.0% |
| APM CT Meter | AC Only | Current Transformer (AC > 5A) | 12 - 24V AC/DC | No | 68x68mm 12mm display characters |
0.5% |
| APM M2 Meter | AC Only | Current Transformer (AC > 5A) | 120 - 240V AC | No | 68x68mm 12mm display characters |
1.0% |
| APM Shunt Meter | DC Only | Shunt up to 1V DC Output | 12 - 24V AC/DC | No | 68x68mm 12mm display characters |
0.1% |
| APM Process Meter | DC Only | 0-50mA 4-20mA |
12 - 24V AC/DC | No | 68x68mm 12mm display characters |
0.1% |
| APM MAX M21 | AC & DC | Current Transformer (AC > 5A) / Shunt (DC) | 120 - 240V AC | Yes | 3.8" round hole 14.5mm display characters |
0.5% |
| APM MAX M23 | AC & DC | Current Transformer (AC > 5A) / Shunt (DC) | 12 - 24V AC/DC | Yes | 3.8" round hole 14.5mm display characters |
0.5% |
| APM Micro Meter | DC Only | 0-200uA | 12 - 24V AC/DC | No | 68x68mm 12mm display characters |
0.1% |