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ATMOS 14 Temperature and Humidity Sensor and More

Updated:2025-03-13

Brand: METER
Model: ATMOS 14
Description: If you’re doing a microclimate or evapotranspiration study, you may need up to four extra sensors to get important measurements that will benchmark your data. Not to mention facing the hassle of getti
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Product Details

ATMOS 14 Temperature and Humidity Sensor and More Description：

User's Manual

With the ATMOS 14, all your bases are covered

We engineered the ATMOS 14 temperature and humidity sensor to be four sensors in one—air temperature, relative humidity, barometric pressure, and vapor pressure. It's a versatile, low-maintenance, and fast sensor designed to make taking temp/RH measurements simpler and therefore less work. And best of all, it’s plug and play with our ZL6 data logger.

A temperature and humidity sensor you can plug in, and walk away

Despite its minimalist design, the ATMOS 14 provides maximum value. While other sensors require wiring and programming, the ATMOS 14 simply plugs into the ZL6 (It’s also compatible with third-party data loggers). There’s no having to figure out complicated instructions. Just mount the sensor on your data logger mast, plug it in, and walk away.

Readings don’t get any more rapid

Because the ATMOS 14 temperature and humidity sensor is plug and play, setup is quick. And responses are equally fast. Thanks to a Teflon protection screen that keeps liquid water out, but vapor moving freely through, it responds rapidly while keeping dust and liquid water off the sensor. Both features add up to time saved on your part.

Measures a lot. Requires very little effort

The ATMOS 14 temperature and humidity sensor is low-maintenance. It gives accurate vapor pressure and RH without a lot of cleaning. Plus it’s weatherproof, meaning it will last a long time in the field. Another helpful feature is the compact shape that fits into tight spaces, leaving room on a mast for other sensors.

For everything it measures, there’s not much to it

With ATMOS 14, all your basic microclimate measurements are covered using a small, simple integrated sensor. Thousands of engineers and ecologists depend on the ATMOS 14 temperature and humidity sensor for straightforward measurements. Whether you’re using it to look at plant emergence, leaf area index, or fractional interception, there isn’t an easier way to benchmark your data.

Function：

Four measurements in one sensor

Plug and play capability

Collect data remotely when used with the ZL6 data logger

Compact

Teflon screen protects the sensor from weather

Fast response

Integrated temperature for accuracy

ATMOS 14 Temperature and Humidity Sensor and More Specification：

Measurement Specifications	Relative Humidity(RH)	Range:0-100%RH(0.00-1.00) Resolution:0.10% RH Accuracy:Sensormeasurement accuracy is variable across a range of RH Equilibration Time (r,63%):< 25 s (response time in 1 m/s air stream) Hysteresis: ±0.80% RH,typical Long-term Drift: ±0.25% RH/year, typical
	Temperature	Range:-40.00 - 80.00°C Resolution:0.1°C Accuracy:+0.20℃ Equilibration Time(t.63%):< 165s(response time in 1 m/s air stream Long-term Drift:< 0.03 °C/ year, typical
	Vapor Pressure	Range:0-47kPa Resolution:0.01 kPa Accuracy:Sensor measurement accuracy is variable across a range of temperatures and RH.
	Barometric Pressure	Range:1-120 kPa Resolution:0.01 kPa Accuracy:+0.05 kPa at 25°C Equilibration Time(t,63%):< 10ms Long-term Drift:< 0.1 kPa/year, typical
Communication Specifications	Output	DDI serial or SD1-12 communication
Communication Specifications	Data Logger Compatibility	Anydata acquisition system capable of 4.0- to 15.0-VDC power and serial or SDI-12 communication.
Physical Specifications	Dimensions	Diameter: 2.0 cm (0.8 in) Height: 5.4 cm (2.1 in)
	Operating Temperature Range	Minimum:-40.00°C Maximum:80.00°C NOTE:Sensors may be used at higher temperatures under certain conditions:contact Customer Support for assistance.
	Cable Length	5 m(standard) 75 m (maximum custom cable length) NOTE:Contact Customer Support if a nonstandard cable lengthis needed.
	Cable Diameter	0.165 +0.004 in (4.20 +0.10 mm), with minimum jacket of0.030in(0.76 mm)
	Connector Types	3.5-mm stereo plug connector or stripped and tinned wires
	Conductor Gauge	22-AWG/24-AWG drain wire
Electrical and Timing Characteristics	Supply Voltage (VCC to GND)	Minimum:4.0 VDC Maximum:15.0 VDC
	Digital Input Voltage(Logic High)	Minimum:2.8V Typical: 3.6 V Maximum:5.0 V
	Digital Input Voltage(Logic Low)	Minimum:-0.3V Typical: 0.0 V Maximum:0.8 V
	Digital Output Voltage(Logic High)	Minimum: NA Typical:3.6 V Maximum: NA
	Power Line Slew Rate	1.0 V/ms
	Current Drain (During Measurement)	Minimum:1.2 mA Typical: 3.5 mA Maximum:12.0 mA
	Current Drain (While Asleep)	Minimum:NA Typical:0.03 mA Maximum: NA
	Power Up Time(DDI Serial)	Minimum:NA Typical: NA Maximum:110 ms
	Power Up Time(SDI-12)	Minimum:140 ms Typical:260 ms Maximum:400 ms
	Power Up Time(SDI-12, DDI Serial Disabled)	Minimum: NA Typical:170 ms Maximum:200 ms
	Measurement Duration	Minimum: NA Typical:50 ms Maximum:NA
Other	Compliance	Manufactured under ISO 9001:2015 2004/108/EC and 2011/65/EU EN61326-1:2013 EN50581:2012