Key facts
- Brand
- EXTECH
- Model
- 4465CF
- Category
- Other Electronics
- Documents
- 2
- Languages
- EN
- Last added
- 2023-10-18
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Extech 4465CF and 446580 Hygro-Thermometer User's Guide
This manual provides instructions for the Extech 4465CF and 446580 Hygro-Thermometers, which measure and display temperature and relative humidity. The 4465CF model features an analog output for connecting to chart recorders, while the 446580 includes a PC interface and built-in datalogging capabilities.
Read onlineExtech 4465CF specifications
| Display | Multi-function 3 ½ digit LCD display |
|---|---|
| Measurement Range (Humidity) | 10% to 95% RH |
| Measurement Range (Temperature) | -20°C to 60°C |
| Humidity Accuracy | +3% RH (30 to 95% RH) |
| Operating Temperature | 32 to 122°F (0 to 50 °C) |
| Power Supply | 006P DC 9V battery |
| Battery Life | 400 hours |
| Weight | 7.0 oz. (198 g) |
All Extech 4465CF documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What is the warranty period for the Extech 4465CF?
Extech warrants the basic instrument to be free of defects in parts and workmanship for one year from date of shipment.
How do I replace the battery?
Slide the battery compartment cover off the rear of the meter, replace the 9V battery, and affix the cover.
What is the humidity measurement accuracy?
The accuracy is ±3% RH for 30 to 95% RH and ±7% RH for 10 to 30% RH.
From: Extech 4465CF and 446580 Hygro-Thermometer User's Guide
How long does the battery last?
The 4465CF lasts approximately 400 hours, while the 446580 lasts approximately 50 hours.
From: Extech 4465CF and 446580 Hygro-Thermometer User's Guide