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Dwyer DL70 | Differential Pressure Data Logger | ±0.5" w.c. (1.2 mbar)
The Dwyer DL70 logs low differential pressure over ±0.5 in w.c. (1.2 mbar) together with temperature from an on-board thermistor, making it suited to room pressure verification and HVAC testing and balancing. The DL70 stores up to 21,500 readings and runs from an internal lithium battery.
- ±0.05" w.c. accuracy, ±0.01" w.c. resolution
- Up to 21,500 readings in memory
- Sampling from 0.04 s to 8 h, fill-then-stop or first-in first-out
- Internal lithium battery, no external power required
- Programmed via Model DL200 Windows software (sold separately)
- Rated to 4 x the range pressure
- Specifications
- Features
- Downloads
| Part Number | DL70 |
| Brand | Dwyer |
| Range | ±0.5" w.c. (1.2 mbar) |
| Accuracy | ±0.05" w.c. |
| Resolution | ±0.01" w.c. |
| Repeatability | ±0.05% FS |
| Drift | ±0.5% FS/yr |
| Channels | 2: differential pressure, internal thermistor |
| Thermistor Range | -40 to 158°F (-40 to 70°C) |
| Memory | 21,500 readings |
| Sampling Rate | 0.04 s to 8 h |
| Connection | Two 1/8" I.D. permanent protective tubing |
| Power | 3.6 V lithium battery, internal |
| Weight | 4 oz (110 g) |
- Use Model DL200 Windows® software (sold separately) to quickly program the logger or upload data to a computer.
- The series DL7 logger is ideal for monitoring air duct velocity, testing and balancing HVAC systems, or verifying room pressure.
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