High-Precision Ambient Thermometer with Alarm

Reference: ECO 123-AIR

Condition: New product

ECO 123-AIR – High-Precision Ambient Thermometer

The ECO 123-AIR is purpose-built to deliver essential measurement performance. Its integrated Pt1000 sensor ensures fast and accurate ambient temperature readings, while the protective housing allows optimal airflow and response time.

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Professional Applications

Building automation and HVAC
Field reference measurements
Meteorological monitoring

Key Benefits

Modern and ergonomic design in a compact housing
Fast and precise air temperature measurement
Alarm function with visual and audible alert (buzzer)
3-line backlit LCD display for day and night readability
Hold function to freeze measured values
Min/Max memory for tracking extremes
Extended battery life up to 5000 hours

Display Features

The ergonomic 3-line LCD display includes battery level indication, backlight, and a smart overhead reading mode activated by a button.

Power & Efficiency

Powered by 2 AA batteries (included), the ECO 123-AIR is optimized for energy efficiency. The configurable backlight and auto power-off feature extend battery life.

Technical Specifications

Technical Data
Sensor	Fixed Pt1000 probe, protective tube Ø14x37 mm
Measurement Range	-25.0 to +70.0 °C
Accuracy	Max. ±0.5% of measured value ±0.5 °C
Response Time	T90 ≈ 15s at 1 m/s air flow
Display	3-line LCD with battery indicator and backlight
Power Supply	2 x AA Alkaline batteries (included)
Power Consumption	Approx. 0.4 mA (2 mA with backlight)
Battery Life	Approx. 5000 h (typical continuous use)
Auto Power-Off	User-configurable
Operating Conditions	-20 to +50 °C; 0 to 85% r.h. (non-condensing)
Storage Temperature	-25 to +70 °C (without batteries)
Protection Class	IP20
Dimensions	140 x 54 x 28 mm (H x W x D)
Weight	Approx. 130 g
Housing	Impact-resistant ABS with polyester front panel