| Martel PTC-8010 |
Altek 422 |
Altek 322 |
Altek 222A |
Altek 311A |
Altek 211 |
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| No. of Thermocouple Ranges | 10 | 14 | 4 | 1 | 0 | 0 | |
| No. of RTD Ranges | 8 | 0 | 0 | 0 | 8 | 8 | |
| Ohm Ranges | 5.0 to 400 400 to 1500 1500 to 3200 |
0.00 to 500 (±.01% Rdg. +.0.75Ω) |
0.00 to 410.00 0.00 to 2010.00 |
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| mV Ranges | -10 to 75 mA | -99.999 to 99.999 | -99.999 to 99.999 | -99.999 to 99.999 | |||
| Accuracy | K-Type TC | ±0.4°C | ±0.4°C | ±0.4°C | ±0.4°C | ||
| RTD pt100 | ±0.3°C | ±0.2°C to 0.4°C | ±0.3°C | ||||
| RTD IEX Range | 0.01 mA to 3 mA | .09 to 10.2mA | .09 to 5.8mA | ||||
| Works with Rosemount 3144 and Smart (pulsed) RTD Transmitter | Yes | No | No | No | Yes | Some | |
| RS232 Interface | Yes | No | No | No | No | No | |
| Direct Keyboard Entry | Yes | No | No | No | No | No | |
| User-Defined Setpoints Per Range | TCs:9 RTDs:9 |
3 | 3 | 3 | 3 | 3 | |
| Auto Step Function | Yes | No | No | No | No | No | |
| Power Supply | 4 AA Batteries | 9V Battery | 9V Battery | 9V Battery | 6 AA Battery | 6 AA Battery | |