Small Color Screen Wireless Temperature Measurement Host

Main functions

Function introduction

Receive data

It receives the temperature and sensor operating voltage uploaded by the wireless temperature sensor.

Display data

The received data is displayed in color, providing a more intuitive display effect. The backlight switch is controllable, making it suitable for a variety of applications.

Clock display

A real-time clock is displayed and serves as the time reference for event logging.

Parameter settings

All parameters are flexibly adjustable, the operation is convenient, and data is not lost when power is off.

Alarm output

When an alarm event occurs, the relay dry contact outputs a signal and emits a buzzer alarm sound.

Extreme temperature records

Records the highest and lowest temperatures at each temperature measurement point monthly, along with the corresponding power supply voltage and the time of occurrence. When used across years, it automatically overwrites the data for that month from the previous year.

Temperature alarm record

Records the temperature, start time, and end time of each phase at the temperature measurement location where an alarm has occurred. Up to 100 records can be saved. When there are more than 100 records, the oldest record will be automatically overwritten.

Temperature imbalance record

When the three phase temperatures at the same temperature measurement location are not equal, the temperature and occurrence time of each phase in the current group are recorded monthly, and the imbalance degree is calculated. When used across years, the data of the previous year for that month are automatically overwritten.

Password Management

Password management is used, and a password must be entered when setting parameters. There are two types of passwords: user password and system password. Entering the system password allows access to more advanced settings.

Technical parameters

Technical indicators

Wireless parameters

wireless frequency

2.4GHz and 433MHz are optional.

Managing the number of wireless sensors

≤240

Communication parameters

Communication methods

RS485 communication interface, communication distance ≤1200m (without repeater)

Number of hosts in a network

≤128

Communication Protocol

Modbus Protocol: Communication Protocol for Wireless Temperature Measurement Systems

baud rate

1200, 2400, 4800, 9600, 19200 bps available

Alarm Default Parameters

Temperature alarm value

Upper limit: +90℃, lower limit: -20℃

Temperature alarm value

Upper limit: +60℃, lower limit: -10℃

alarm voltage value

2700mV

Relay dry contact parameters

AC220V/5A (1 set of passive normally open/normally closed contacts)

Operating voltage

AC 85～265V / DC 110～370V

Overall power consumption

≤5VA

Operating temperature

-10℃ to +70℃

Operating humidity

≤90%RH, non-condensing, non-corrosive

altitude

≤2500 meters

Protection level

IP20

Insulation resistance

≥100MΩ (temperature between 10~30℃, relative humidity less than 80%)

Installation method

Embedded installation