SENTEC SEM220 Humidity & Temperature Transmitter

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SENTEC SEM220 -Humidity & temperature transmitter

MAIN FEATURES
• The measurement unit imported from Switzerland is used for accurate measurement;
• Protection grade IP65, rain and snow resistant and breathable;
• The circuit adopts imported industrial grade microprocessor chip and imported high precision
temperature sensor to ensure excellent reliability, high precision and interchangeability.
• 10~30V wide voltage range, complete specifications and easy installation;

SPECIFICATION

RS485 Type
DC power supply (default)	10~30V DC
Power consumption	RS485 output	0.4W
A precision	humidity	±2% RH (5% RH~95% RH, 25°C)
temperature	±0.4°C (25°C)
B precision (default)	humidity	±3% RH (5% RH~95% RH, 25°C)
temperature	±0.5°C (25°C)
Long-term stability	humidity	≤1%RH/y
temperature	≤0.1°C/y
Response time	humidity	≤8s (1m/s wind speed)
temperature	≤25s (1m/s wind speed)
Signal output	RS485 output (standard Modbus-RTU protocol)
Communication parameters	Default address code is 1, the default baud rate is 4800 (modified by the configuration software)
Protocol frame format	No parity, 8 data bits, 1 stop bit (N, 8, 1)
Temperature range	-40°C~+120°C, default -40°C~+80°C
Humidity range	0%RH-100%RH
Transmitter circuit operating	-40°C~+60°C, 0%RH~80%RH
temperature and humidity

Analog Type
DC power supply (default)	10~30V DC
Maximum power consumption	Current output	1.2W
Voltage output	1.2W
Precision (default)	humidity	±3% RH (5% RH~95% RH, 25°C)
temperature	±0.5°C (25°C)
Long-term stability	humidity	≤1%RH/y
temperature	≤0.1°C/y
Response time	humidity	≤8s (1m/s wind speed)
temperature	≤25s (1m/s wind speed)
Signal output	Current output	4~20mA
Voltage output	0~5V/0~10V
Load capacity	Voltage output	Output resistance ≤250Ω
Current output	≤600Ω
Circuit operating temperature and humidity	-40°C~+60°C, 0%RH~80%RH
Probe operating temperature	-40°C~+120°C, default -40°C~+80°C
Probe working humidity	0%RH-100%RH