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- Humidity Meters
Product Description

Portable Dew Point Meter for Precise Environmental Monitoring
The Portable Dew Point Meter is a versatile instrument designed to accurately measure dew point, wet bulb temperature, and humidity in various environments. With its detachable 316L stainless steel probe housing, it offers reliable performance and durability.

Powerful Functions
- Adopt high-precision temperature and humidity sensor probe, stable and accurate readings, ±0.1C/±1.5%RH high precision.
- Reserved iot function, can connect to Bluetooth, real-time monitoring data.
- Direct plug-in data transmission, can be connected to the computer USB interface without cable, safe and fast transmission to the computer.
- Can store 32000~64000 data storage, and 99 sets of data can be directly called.

Easy to Operate
- The temperature and humidity probe is made of 316L stainless steel, which is waterproof and dustproof, breathable, and has a stable structure.
- The large high-definition backlit LCD display is clear and easy to read, and data can be read quickly in the sun and at night.
- Silicone micro-switch level case, good feel, and fast response.
In the agricultural field, dew point meters are mainly used to monitor humidity in greenhouses, providing a suitable environment for the growth of crops, and thereby improving the yield and quality of agricultural products. In industrial production, dew point thermometers are essential for monitoring and controlling humidity in the air. In environmental monitoring, handheld dew point meters can be used to monitor changes in humidity in the atmosphere and provide important data for climate change research. With the development of sensor technology and signal processing technology, the measurement accuracy of dew point meters will continue to improve and meet more stringent measurement requirements.
Specification
Model | DPM-HG970 |
Environment Temperature | -30~80℃ (probe only) |
Accuracy | ±0.1℃ (@20℃) |
Resolution | 0.01°C/℉ |
Sampling Frequency | 1 time per second |
Relative Humidity Range | 0~100%RH |
Relative Humidity Accuracy | ±1.5%RH (20~60%RH, @20℃) |
Resolution | 0.1%RH |
Response Time | Less 10s (90% 25℃, wind speed 1m/s) |
Dew Point Temperature Range | -30~80 ℃ (For accuracy, see the figure "Dew Point Accuracy Table") |
Wet Bulb Temperature Range | -20~60℃ (-4~140℉) |
Power | A standard 9V 6LR61 or 6F22 battery |
Battery Life | About 300 hours (use 6LR61 9V alkaline battery) |
Operating Environment | 0~40℃ (32~104℉), <80%RH Non - Condensing |
Storage Environment | -10~60℃ (14~140℉), <80%RH Non - Condensing |
Size | 8.46in×2.28in×1.3in |

Probe Replacement Diagram
- Unscrew the connection nut clockwise and disassemble the old probe.
- Connect the joints and slowly rotate the joints to find the connection holes. After the holes are connected, turn the connection nut counterclockwise. After taking 2-3 turns, gently push the probe toward the long rod to the connection nut, and then continue to tighten the nut until it is tightened.
- After the holes are connected, turn the connection nut counterclockwise. (Make sure the hole position is correct before tightening the nut, otherwise, it is easy to damage the joint)
- After taking 2-3 turns, gently push the probe toward the long rod to the connection nut. Continue to tighten the nut until it is tightened.
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