Veinasa-DHT11
Embed
Contactless
Digital Type
Temperature and Humidity
Customized
20 ~ 95%
1%Rh
±0.5ºC
±0.5ºC
-20~60ºC
0.1ºC
Veinasa
Covered with Carton Packing
13*23.2*5.8mm
China
Product Description
Veinasa-DHT11 DHT11 Digital Arduino DHT11 Temperature and Humidity Sensor Module Temperature Sensor RS485Module DHT11 for HumidifierTable 1: Relative humidity
Table 2 Temperature
Electrical characteristics
Table 3: Io represents low level output current Rp represents pull-up resistance
The Veinasa-DHT11 is a temperature and humidity sensor module with calibrated digital output. It uses high molecular humidity resistor as sensing element, which is converted into digital signal output after collection and processing by MCU.
It has the characteristics of long-term stability, high reliability, high precision and low power consumption. Free from interference such as power supply noise and voltage fluctuations.
| Parameter | Conditions | Minimum | Typical | Maximum | Unit |
| Resolution | 1 | %RH | |||
| Measuring range | 20 | 95 | %RH | ||
| Precision | 25ºC | ±5 | ±3 | ±5 | %RH |
| Repeatability | ±0.1 | ||||
| Response time | 1/e(63%) | < 8 | S | ||
| Retardation | ±0.5 | %RH | |||
| Drift | Typical value | < 3 | %RH/y |
Table 2 Temperature
| Parameter | Conditions | Minimum | Typical | Maximum | Unit |
| Resolution | 0.1 | ºC | |||
| Measuring range | -20 | 60 | ºC | ||
| Precision | ±0.5 | ºC | |||
| Repeatability | ±0.2 | ºC | |||
| Response time | 1/e(63%) | 1 | S | ||
| Retardation | ±0.1 | ||||
| Drift | Typical value | < 0.2 | ºC/y |
Electrical characteristics
| Parameter | Conditions | Minimum | Typical | Maximum | Unit |
| Supply voltage VDD | 3.0 | 5 | 5.5 | V | |
| Supply current | Sleep mode | 0.6 | 2 | uA | |
| Measurement mode | 2.0 | 2.5 | mA | ||
| Sampling period | 2.0 | S | |||
| Low output voltage | Io<4mA | 0 | 250 | mV | |
| High level output voltage | The Rp < 25 k Ω | 80% | 100% | VDD | |
| Low-level input voltage | Falling edge | 0% | 20% | VDD | |
| High level input voltage | Rising edge | 80% | 100% | VDD | |
| Output current | On | 4 | mA | ||
| Three-state gate (Off) | 10 | 20 | μA |
