ESU 201

Environmental Sensor Unit

Device Description

ESU 201 is an advanced environmental sensor which is also equipped with Infra Red (IR) controller for split-type Air Conditioners. Thanks to its flexible design, ESU 201 has a learning mode which enables the device to be used with almost all split-type ACs. In addition, it has low power bluetooth communication protocol, therefore it can be controlled via any device that has bluetooth technology.

Device Specification

Nominal Supply Voltage

USB or 5VDC Power Jack or AAA Size battery

CPU

ARM Cortex-M4 32 Bit 64 Mhz

Flash

512 kB

Ram

64 kB

Watchdog Timer

System Reset / 5 sec

Power Consumption

0.04W 5VDC

Internal Temperature Sensor

Temperature Range: -20 to 120 °C

Internal Humidity Sensor

Humidity Range: 0 to 100% RH

Infrared Transmitter Output Power

160mW

Internal Carbon Dioxide Sensor

0-5000 ppm %3 Accuracy

Infrared Transmitter Output Wavelength

940nm

Infrared Transmitter Carrier Frequency

38kHz

Infrared Receiver Input Frequency

38kHz

Bluetooth Specifications

Bluetooth Protocols

BLE v5.0

Frequency Range

2.4 GHz

RF Certification

SRRC, FCC, CE (RED), IC, NCC, KCC, TELEC (MIC)

Bluethooth MESH Support

Yes

Environment Conditions

Standards

IEC 61326-1, EN 301489-1, IEC 61010-1, EN 60950-1

Operating Temperature

-25°C / +70°C

Storage Temperature

-40°C / +70°C

Operating Humidty

25% – 95% RH

Protection Class

IP20

Mechanical Specifications

Device Dimensions (W x H x D)

115mm x 83mm x 32 mm

Weight

100gr