


Dwyer Instruments DL001 | Temperature datalogger
With the Model DL001 Temperature Data Logger, you may record temperature for a variety of uses, such as energy management, transportation, and HVAC testing and balancing. For distant temperature readings, the temperature logger features an external sensor channel in addition to an on-board thermistor. Solid state memory, a component of microprocessor-controlled circuitry, has a maximum 32,768 reading storage capacity. The DL001 logger model runs on its own without the need for an external power source thanks to an integrated lithium battery. For simple and safe mounting, units have a locking hole and a magnetic backing. Easily set up the temperature recorder or transfer data to a PC with the Model DL200 Windows® software (separately available).

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- Specifications
- Features
- Downloads
Accuracy | Clock: +/-8 sec/day plus one sampling interval |
Accuracy | +/-0.5°C (+/-0.9°F) |
Ambient temperature | -50 to 160°F (-45 to 70°C), 0 to 95% RH, non-condensing |
Approvals | CE |
Connection | Removable screw terminal |
Drift | +/-0.2% FS/yr |
Housing Material | PPE & PS (polyphenylene ether & polystyrene) |
MEMORY SIZE | 32,768 readings |
Number of Channels | Five; internal thermistor, pressure module (included), plug-in humidity sensor, remote humidity/temperature sensor |
POWER CONSUMPTION | 5 to 10 µA |
Power | 3.6 V TL5134 lithium metal battery, internal, factory replaceable |
Range | Internal Thermistor: -40 to 158°F (-40 to 70°C) |
Resolution | 8 bits (1 in 256) |
Resolution | Internal Thermistor: 0.7°F (0.4°C), R25 value equal to 10,000© |
Sampling Methods | Continuous (First-in, First-out) or Stop when full (Fill-then-stop) |
Sampling Rate | Selectable from 8 seconds to once every 5 days |
Sensor Type | External: Interchangeable NTC (negative temperature coefficient) thermistor recommended (not included) |
Weight | 5 oz (110 g) |
- Sample intervals that can be adjusted, enabling the collection of comprehensive data over time (from seconds to hours, for example).
- A digital display with the ability to read temperatures in real time, log status, and maybe additional information.
- Buttons/Controls: The interface used to configure parameters, navigate menu options, and begin and stop logging.
- Software that is either included or accessible for data analysis, visualization, and export; frequently supports CSV formats.
- Long battery life; intended to run for months or years, depending on usage and logging frequency.
- Type of Battery: Rechargeable or replaceable batteries are usually used to power devices.
- Robust construction to resist a range of environmental factors, possibly with an IP classification for water and dust protection.
- Made with portability in mind for usage in the field.
- Fixed installation options in different configurations.
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