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ETI 231-022 | Therma Differential Thermometer | Two-Channel Type K, T1, T2, T1-T2
The ETI 231-022 Therma Differential is a two-channel type K thermometer that displays T1, T2 or the T1 minus T2 difference. It is designed for plumbers and HVAC engineers, for example when balancing radiators, and is housed in a robust IP66/67 waterproof case. Probes are sold separately.
Key features
- Two type K channels showing T1, T2 or T1-T2
- Range -99.9 to 299.9 °C at 0.1 °C, extending to 1372 °C
- Accuracy ±0.4 °C ±0.1% of reading
- Backlight, max/min and hold functions
- Waterproof IP66/67 case with BioMaster protection
- NSF certified; traceable calibration certificate included
- Specifications
- Features
- Downloads
| Part Number | 231-022 |
| Brand | ETI |
| Channels | 2 (T1, T2, T1-T2) |
| Sensor Type | Type K thermocouple |
| Range | -99.9 to 299.9 °C; 300 to 1372 °C |
| Accuracy | ±0.4 °C ±0.1% of reading |
| Resolution | 0.1 °C |
| IP Rating | IP66/67 |
| Display | Backlit, max/min, hold |
| °C/°F | Switchable |
| Battery | 3 x AAA |
| Battery Life | 7,500 hours |
| Dimensions | 32 x 71 x 141 mm |
| Weight | 216.5 g |
| Certification | NSF |
| Probes | Sold separately |
A tough waterproof case with IP66/67 protection.
This product is ideal for radiator balancing or HVAC applications.
designed for plumbers, it is dependable and simple to use.
Backlight, max/min, and hold functions are all available.
Sold without probes.
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