Dwyer Instruments PMI-2.5WC-RLY-N | Particulate transmitter | PM 2.5 wall mount | 4-20 mA | 0-10V | Relay and Modbus®

Client Production

Dedicated Support

Genuine Products

Client Production

Dedicated Support

Genuine Products

Part Number : PMI-2.5WC-RLY-N

By identifying particulate matter in an office setting or HVAC duct, the Series PMI, Model PMI-2.5WC-RLY-N Particulate Matter Transmitter is intended to measure indoor air quality. The Series PMI, which measures particles as fine as 0.3 µm using laser scattering technology, is a crucial aspect of any indoor air quality monitoring system. The Series PMI may function as a stand-alone controller thanks to the optional relay, settable alarm, and control settings.

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Specifications
Features
Downloads

Accuracy	+/-10 µg/m3 @ 0-100 µg/m3 +/-10% reading @ 100-600 µg/m3 @ 25°C, 50% RH
Approvals	CE, UKCA
Display	Optional 4-digit LCD
Enclosure Rating	Wall mount: IP30 Duct mount: IP65 (housing), IP30 (probe)
Housing Material	Wall mount: Polycarbonate (UL 94 V-0) Duct mount: ABS and polycarbonate (UL 94 V-0)
Humidity	Limit: 0-95% RH (non-condensing)
Manufacturer	Dwyer Instruments
Maximum operating temperature	Operating: 32 to 122°F (0 to 50°C) Storage: -22 to 158°F (-30 to 70°C)
Operating Life	MTBF more than 3 years in continuous service mode, service life up to 8-10 years in auto (intermittent) service mode
Output Load Resistance	Current output: ¢°¤500 ¢ž¦ Voltage output: ¢°¥2 k¢ž¦
Output	Current: 4-20 mA Voltage: 0-10 VDC Relay: SPST 3A, 30 VDC/250 VAC RS-485/Modbus® (RTU)
Power	16-28 VAC/6-35 VDC
Range	PMI-2.5: 0-500 µg/m3, particle size 0.3-2.5 µm PMI-10: 0-600 µg/m3, particle size 0.3-10 µm
Resolution	1 µg/m3
Response Time	<10 s, continuous service mode
Sensor Type	Laser scattering
Type	Particulate Matter Transmitter
Weight	Wall mount: 7.05 oz (200 g) Duct mount: 9.5 oz (270 g)

Provides long-term stability and precision while maintaining a healthy air supply.
There are wall mount and duct mount versions of particulate matter application independent devices available.
Ten years of service life in auto mode with minimal maintenance.
Less downtime thanks to the overvoltage safeguard.
Simple setup with buttons and an optional integrated display.
Utilizing the detachable terminal block on the duct mount model saves time.
Controller in a single unit with optional relay, control modes, and alarm.

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