Veris Industries HP SERIES Datasheet User Manual

Specialty humidity sensors, Pendant and insertion, Hn & hp series

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HU
MIDIT

Y

VERIS INDUSTRIES

800.354.8556

+1 503.598.4564

www.veris.com

Pendant and Insertion

Specialty Humidity Sensors

HN

HP

FEATURES

Thin-film capacitive sensor element recovers from 100% saturation

Electronics are encapsulated in stainless probe to resist corrosion

Fully interchangeable element to 1%, 2%, 3%, or 5% accuracy...no calibration

Pendant and insertion versions for application flexibility

Polarity insensitive two-wire 4-20mA or 3-wire 0-5/0-10VDC versions...

flexible systems compatibity

Calibration-free interchangeable NIST traceable HS element

Replace digital sensor quickly without calibration...maintain accuracy and

eliminate downtime

HS element is microprocessor profiled with on-board nonvolatile memory

Multi-point digital calibration to NIST standards

NIST certification available

Recovers from 100% saturation...no damage to sensor

DESCRIPTION

HN and HP Series probe type humidity transmitters are easy to install and

exceptionally accurate. Their long-term stability and trouble-free serviceability

make them the best in the industry. The electronics are embedded inside the probe,

protecting them from condensation-related failures. The thin-film capacitive HS

sensor elements are factory calibrated using NIST traceable calibration equipment,

eliminating the need for field calibration. Field replacement of the sensor element is

a snap with the patented removable sensor, lowering costs and reducing downtime.

APPLICATIONS

HVAC control for improved comfort & energy savings

Museums, schools, printing shops, and other locations requiring

humidity control

Facilitating compliance with ASHRAE standards for environmental control

and indoor air quality

SPECIFICATIONS

Input Power:*

Voltage Model

12-30VDC/24VAC, 15mA max.

mA Model

Loop powered 12-30VDC only, 30mA max.

Output Power:

Voltage Model

3-wire, observe polarity

mA Model

2-wire, not polarity sensitive (clipped and capped)

Humidity:

HS Element

Digitally profiled thin-film capacitive (32 bit mathematics) U.S. Patent 5,844,138†

Accuracy @ 25°C**

±1%, 2%, 3%, or 5% (specify)@10 to 80% RH; Multi-point calibration, NIST traceable

Reset Rate***

24 hours

Stability

±1%@20°C (68°F) annually, for two years

Hysteresis

1.5% typical

Linearity

Included in accuracy spec.

Temperature Coefficient

±0.1% RH/°C above or below 25°C (typical)

Scaling

0-100% RH

Temperature:

Optional Temperature Transmitter Output

Digital, 4-20mA (clipped and capped) or 0-5V/0-10V output; accuracy ±0.5°C (±1°F) typical

Operating Environment:

Operating Humidity Range

0 to 100% RH noncondensing

Operating Temperature Range

-40° to 50°C (-40° to 122°F)

† The HS sensing element has a 1-year warranty. The element is not a part of the 5-year product warranty.

* One side of transformer secondary is connected to signal common, so an Isolation transformer or dedicated power supply may be required.

** Specified accuracy with 24VDC supplied power with rising humidity. RTD/Thermistors are not compensated for internal heating of product.

*** Reset Rate is the time required to recover to 50% RH after exposure to 90% RH for 24 hours.

Shielded cabling is required for conformance to EMC standards. Technical information is available from factory upon request or is available on our website: www.veris.com.

EMC Conformance - CE Option: Low Voltage Directive 2006/95/EC and EMC Directive 2004/108/EC.

EMC Special Note: Connect this product to a DC distribution network or an AC/DC power adaptor with proper SURGE PROTECTION (EN 61000-6-1:2007 specification requirements).

HN & HP SERIES

HQ0001793.B 01131

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