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Intech LPN-H - Humidity and Temperature Transmitter

The LPN-H is a complete relative humidity and temperature current loop sensing module, with two independent loop powered 4~20mA outputs, one for Humidity (0~100%RH) and one for temperature (0~100°C).

Part Number: LPN-H

Manufacturer:

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Overview
Specifications

Get humidity and temperature readings with the LPN-H

The LPN-H is a complete relative humidity and temperature current loop sensing module, with two independent loop powered 4~20mA outputs, one for Humidity (0~100%RH) and one for temperature (0~100°C).

The LPN-H comes in a wall mount or a duct mount version.

Both versions come complete in an industrial standard aluminium connection head. The digital relative Humidity sensor and Temperature sensor protrude from the head inside a protective cap. This cap allows air to circulate to the sensors while protecting them from physical harm.

Features

Dual 4~20mA Outputs
Sensirion SHT25 Digital Humidity sensor - Factory calibrated
Long term stability
Fast response: 4 seconds from 0 to 100%RH under ideal conditions
Pt100 RTD Temperature Sensor
Temperature Output Linearised
Very Compact Design
High Accuracy
Low Cost
Easy to Install
Reverse Polarity Protection
Wide Power Supply Range
Rugged and reliable

Technical Information
LPN-H Common Specifications
Output		2 wire 4~20mA (Loop Powered).
Power Supply		9~33Vdc.
Supply Voltage Sensitivity		<±0.01%/V FSO.
Maximum Output Current		Limited to <32mA
Max output Load Resistance		800Ω @ 24Vdc. (50Ω/V Above 8Vdc).
Isolation Test Voltage		Between %RH and Temperature; 50Vdc for 1 min.
Operating Temperature		-30~70°C.
Storage Temperature		-30~85°C
Operating Humidity		100%RH. Non-condensing.
IP Rating		Sensor = IP51, Terminal Case = IP68. See Note 2 on page 2.
LPN-H %RH Transmitter Specifications
Accurate to		±2% FSO Typical 10~80%RH non condensing
	-Important	For continuous measurements of ≥90%RH, refer to operating range in brochure
Ambient Temperature Drift		<±0.05%/C FSO Typical.
Humidity Sensor	-Hysteresis	±0.8% of Span Typical.
	-Linearity	±0.5%RH Typical.
	-Repeatability	±0.5%RH Typical.
	-Long Term Drift	±1%RH Typical at 50%RH in 5 years.
	-Output	0~100%RH for 4~20mA.
LPN-H Temperature Transmitter Specifications
Accurate to		<±0.1% FSO Typical + sensor Error
Linearity and Repeatability		<±0.1% FSO Typical + sensor Error
Ambient Temperature Drift		<±0.02%/C FSO Typical + sensor Drift.
RTD Sensor		Pt100 RTD, Class A Din 43760, IEC60751.
Sensor Current		1.0mA.
Sensor Output		0~100°C for 4~20mA factory calibrated. Output will stay at 4mA or 20mA if temperature low or high. 3mA output indicates faulty sensor.

Note 1: The inside of the head with the electronics board must not get wet.
Note 2: Good airflow and good air mixing must be maintained over the sensor to minimise local temperature fluctuations, and to ensure accurate measurements.

Get humidity and temperature readings with the LPN-H

The LPN-H comes in a wall mount or a duct mount version.

Features

Dual 4~20mA Outputs
Sensirion SHT25 Digital Humidity sensor - Factory calibrated
Long term stability
Fast response: 4 seconds from 0 to 100%RH under ideal conditions
Pt100 RTD Temperature Sensor
Temperature Output Linearised
Very Compact Design
High Accuracy
Low Cost
Easy to Install
Reverse Polarity Protection
Wide Power Supply Range
Rugged and reliable

Intech LPN-H - Humidity and Temperature Transmitter (Wall Mount)

The LPN-H-W is a Wall Mounted, complete relative humidity and temperature current loop sensing module, with two independent loop powered 4~20mA outputs

Part Number: LPN-H-W

$545.00 ex GST

Qty:

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Intech LPN-H - Humidity and Temperature Transmitter (Duct Mount)

The LPN-H-D is a Duct Mounted, complete relative humidity and temperature current loop sensing module, with two independent loop powered 4~20mA outputs

Part Number: LPN-H-D

Accessories

Optional 100mm flange for LPN-H-D Humidity Sensor - LPN-H-F [+$236.00]

$618.00 ex GST

Qty:

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Intech LPN-H - Humidity and Temperature Transmitter

Get humidity and temperature readings with the LPN-H

Features

Technical Information

LPN-H Common Specifications

LPN-H %RH Transmitter Specifications

LPN-H Temperature Transmitter Specifications

Get humidity and temperature readings with the LPN-H

Features

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