Edgetech Instruments HP125 Specifications
ISO/IEC 17025:2005 Accredited
ISO 9001:2015 Registered
The HP125 Series from Edgetech Instruments
is the next generation of precision probes,
offering rapid and accurate measurements
of up to four parameters using a single smart
sensor.
The HP125 measures relative humidity, temperature, pressure
and two ranges of calculated dew/frost point temperature.
The HP125 Series remote Smart Probe incorporates a rugged
capacitive humidity sensor plus temperature and pressure
sensors that are resistant to most chemicals. It has a wide
operating temperature range of -40°C to 125°C ensuring
excellent calibration accuracy and long term stability.
The HP125 Series is designed to serve wide ranging industrial
applic ations in clud ing c ompr ess ed air , envi ronm ent al
chambers, furnaces, building automation/HVAC and a wide
variety of relative hum idity and tem perature monitoring
applications. Its field replaceable Smart Sensor Tip module
allows the end user to replace the probe’s sensors with ease,
on-site while maintaining ±1.8% RH accuracy and NIST
traceability, eliminating the need for time consuming and costly
factory calibration while reducing downtime during service
intervals.
The HP125 Smart Probe can also be supplied with an optional
remote display module that indicates measured parameters
and provides current and voltage analog output signals, serial
RS232 interface and two programmable alarm relays.
All Edgetech Instruments Inc.’s sensor probes and display
modules are manufactured and supported in the USA in a
modern, ISO 9001:2008 registered facility with an ISO/IEC
17025:2005 accredited calibration laboratory. The HP125
series is supplied with a NIST traceability calibration certificate.
Features:
• RH, temperature and pressure Smart Probe
• Calculated dew/frost point temperature
• Four simultaneous 0-10 Vdc output signals
• RH accuracy ±1.8%
• Operating temperature -40°C to 125°C
• NIST traceable calibration
• Field-replaceable Smart Sensor Tip
• Excellent chemical resistance
• Low cost of ownership
• Easy installation
RH, Temperature, Pressure and Dew/Frost Point Measurement
Applications:
• Compressed air
• Furnaces
• Environmental chambers
• HVAC/building controls
• Clean rooms
• Pharmaceutical
• Laboratories
• Energy managements systems
• Enthalpy control
Click here for HP125 installation notes.
The HP125 Series Smart Probe
Toll Free: 800-276-3729 Ph: 978-310-7760 Fax: 978-310-7767
E-mail: H2O@edgetechinstruments.com
Web: www.edgetechinstruments.com
Technical Specifications
ISO/IEC 17025:2005 Accredited
ISO 9001:2015 Registered
Probe Options:
HP125 Series: RH, Temperature, Calculated
Dew/Frost Point Temperature
HPP125 Series: Pressure, RH, Temperature,
Calculated Dew/Frost Point Temperature
HPB125 Series: Barometric Pressure, RH,
Temperature, Calculated Dew/Frost Point
Temperature
Measurement Range:
Relative Humidity:
0-99.9% non-condensing
Temperature:
-40°C to +125°C (-40°F to 257°F)
Dew/Frost Point:
-40°C to +95°C (-40°F to 203°F )
Pressure:
600 to 1200 mbar (HPB125 Series)
0 to 400 psia (0 to 27.6 bar) (HPP125 Series)
Accuracy:
Relative Humidity:
±1.8% @ 23°C (0 TO 90% RH)
Temperature:
±0.5°C
Pressure:
±1 mbar from 600 to 1200 mbar at 25°C
±5 mbar over -40°C to +125°C range
Dew/Frost Point:
±1°C from -10°C to 95°C
±2°C from –40°C to -10°C
Operating Range:
Temperature: -40°C to +125°C (-40°F to 257°F)
Pressure: 800 psig (55 barg) maximum
Environmental: dust and water resistant
Media: most gases
Power & Outputs:
Supply: 24 Vdc ±10% unregulated, 50 mA max
Connection 22 AWG wire leads, within single
shielded cable
Analog Outputs: 0 to 10 Vdc
Analog Output Cable: 1 common, 4 signal
Serial Output: RS-232, space delimited, 10 sec.
General:
Speed of Response: 6-12 sec., flow dependent
Life expectancy: in excess of 5 years,
duty dependent
Storage Temperature: -20°C to +50°C
(-4°F to 122°F)
Cable Length: 1m (3ft) standard, additional length
supplied on request
Sensor Tip Filter: sintered stainless steel,
100 micron porosity, easily removable for
cleaning or replacement
Wetted Materials: 316 stainless steel plus sensor
components
Enclosure: 316 stainless steel
Supplied Pipe Fittings: ½” male NPT standard,
¾” inch male NPT optional
Insertion Length: adjustable from 2.5’ to 6”
Dimensions: 11” (27.9 cm) L; 0.5” (12.7 mm) D
Weight: 6.9 ounces (197 g)
Rev. v8
The HP125 Series Smart Probe
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