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Measuring Devices

PMS+ Dew point 상세정보표

Product Introduction

Cleanliness monitoring

Particle, temperature, humidity, and gas monitoring

Wifi real-time monitoring

CMS (Cleanroom Monitoring System) centralized operation

Purpose of Product

Measuring device used for measuring cleanliness and temperature / humidity using Wi-Fi for real-time monitoring

Delivery Status

LG Chemistry (Ochang, CWA, CNB, CNJ)

Product Introduction

PMS+ Dew point 스펙정보
Mass concentration accuracy1	±10μg/m3 @ 0 to 100μg/m3 ±10% @ 100 to 1'000μg/m3
Mass concentration range	0 to 1'000μg/m3
Mass concentration resolution	1μg/m3
Particle detection size range	Mass concentration : PM1.0, PM2.5, PM4 and PM10 Number concentration : PM0.5, PM1.0, PM2.5, PM4 and PM10
Lower limit of detection	0.3μm
Minimum sampling interval	1 s(continous mode)
Operating temperature range	-10 to +60°C
Storage temperature range	40 to +70°C
Interface	UART, I2C
Supply voltage	4.5 - 5.5V
Average supply current@1Hz measurement rate	< 60mA
Merits	Auto recovery of wireless communication MCU has been designed based on FSM (Functional Safety Mechanism) for improving quality reliability Operation based on central management type using CMS (Clean room Monitoring System) Gas / Moisture / Temperature sensor can be added Achieve zero down time using 802.11n-based dual WDS function

Dew point sensor specifications

PMS+ Dew point 스펙정보
Input and output
Analog output (scalable)	4 … 20 mA (3-wire), 0 … 1 V / 5 V,1 … 5 V
current output resolution	0.002 mA
voltage output resolution	0.3 mV
Current output accuracy at +20°C	±0.05 mA
Voltage output accuracy at +20°C	±0.01 V
Operating voltage of digital output	12 … 28 VDC
Operating voltage of voltage output	12 … 28 VDC
Operating voltage at the time of voltage output	18 … 28 VDC
Load for current output	Max. 500 Ω
Load of voltage output	Min. 10 kΩ
Typical temperature dependence	Max. 500 Ω
Digital output	RS-485, non-isolated
Supported protocols	Vaisala Industrial Protocol Modbus RTU protocol
Connectors	4-pin M8 (IEC 60947-5-2)
Supply Current at +20 °C (Uin 24 VDC)
Normal measurement	10 mA + load current (typical)
During self-diagnosis	220 mA pulsed (typical)