Vaisala HPP270 Series Hydrogen Peroxide, Humidity & Temperature Probe

Features

  • Basic probe option HPP271 for H2O2 vapor concentration measurement.
  • Advanced probe option HPP272: compact 3-in-1 probe with real-time measurement of H2O2 vapor concentration, humidity, and temperature.
  • Superior long-term stability and repeatability with proprietary PEROXCAP technology.
  • Corrosion-resistant stainless steel housing (IP65).
  • Traceable calibration certificate.
  • Standalone probe with digital Modbus RTU over RS-485 or 2 analog outputs.
  • Compatible with Vaisala Insight PC software and Indigo transmitters.
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Dpstar is a leading supplier of environmental measurement sensors for temperature, relative humidity, pressure, dew point, CO2, and other environmental condition monitoring for industrial process application and research. Since the ’90s, we earned a reputation as a trusted partner to our clients through our commitment and dedication. We are an authorized distributor and supplier of measuring sensors solutions from renowned manufacturers Vaisala. Vaisala is a global leader in environmental and industrial measurement. Building on 80 years of experience, Vaisala provides observations for a better world. Vaisala is a reliable partner for customers around the world, offering a comprehensive range of innovative observation and measurement products and services.

The Vaisala PEROXCAP Hydrogen Peroxide, Humidity, and Temperature Probe HPP270 series probes are designed for demanding hydrogen peroxide bio-decontamination. The probes are ideal wherever repeatable, stable, and accurate measurement is essential and suitable for a variety of applications such as isolator, material transfer hatch, and room bio-decontamination. The basic probe option HPP271 is for measuring only H2O2 vapor concentration. The advanced HPP272 probe measures all relevant parameters during bio-decontamination processes, including hydrogen peroxide vapor, temperature, and humidity as relative saturation and relative humidity, dew point, and vapor pressure. The probes can be used as standalone devices, or with Vaisala Indigo transmitters: Indigo200 transmitters and Indigo520 transmitters. For easy-to-use access to configuration, calibration, and adjustment the probe can be connected to Vaisala Insight PC software.

Dimension

Key Benefits

  • Measures Reliably & Accurately Even In High Humidity
    Intelligent measurement technology including the chemical purge function helps to maintain accuracy between calibrations in challenging environments. The purging process involves rapid heating of the sensor to remove possible contamination. The PEROXCAP sensor used in the HPP270 series probes is warmed, which prevents condensation from forming on the sensor. This provides reliable measurement even in condensing conditions.
  • 3 Measurement Parameters In 1 Instrument
    In addition to hydrogen peroxide, the compact HPP272 measures temperature, and humidity, referring to both relative humidity and relative saturation. This gives exact hydrogen peroxide readings in ppm throughout the whole bio-decontamination cycle. Dew point and vapor pressure measurements are possible.
  • Successful Audits
    Repeatable measurement helps you pass audits and regulatory inspections successfully.

Specification

HPP271 Series
Measurement Performance
Hydrogen Peroxide
Sensor PEROXCAP
Measurement range 0 … 2000 ppm
Measurement temperature range +5 … +50 °C (+41 … +122 °F)
Repeatability at +25 °C (+77 °F) up to 500 ppm H2O2 ±10 ppm
Accuracy at +10 … +25 °C (+50 … +77 °F) , 10 … 2000 ppm H2O2 1) ±10 ppm or 5 % of reading (whichever is greater)
Factory calibration uncertainty at +25 °C (+77 °F), 500 ppm H2O2 2) ±10 ppm
Response time (T63) 70 s
Other Parameters
H2O ppm by volume
1) Including non-linearity, hysteresis, and repeatability.
2) Defined as ±2 standard deviation limits. See also calibration certificate.
Inputs & Outputs
Operating voltage Digital output: 15 … 30 VDC
Analog output: 15 … 25 VDC
Current consumption at +25 °C (+77 °F)
In digital mode Max. 10 mA
In analog mode Max. 50 mA
During purge Max. 250 mA
Digital Output
Interface RS-485, not isolated; do not use termination on the RS-485 line
Communication protocol Modbus RTU v.1.02
Analog Output
Outputs 2 × 4 … 20 mA 3-wire current outputs
Max. load 500 Ω
Accuracy (typical) ±0.1 % of full scale
Analog output temperature dependence 0.005 %/°C (0.003 %/°F) full scale
Operating Environment
Operating temperature +0 … +70 °C (+32 … +158 °F)
Storage temperature −20 … +70 °C (−4 … +158 °F)
Ambient pressure Normal atmospheric pressure
IP rating IP65
Compliance
EU directives EMC, RoHS
EMC compatibility EN 61326 1, industrial environment
EMC emissions CISPR 32 / EN 55032, Class B
Compliance marks CE, China RoHS, RCM
Mechanical Specifications
Connector M12/5 male
Materials
Probe body AISI316L stainless steel
Filter cap Porous PTFE
Spare Parts & Accessories
Indigo USB adapter 1) USB2
Probe cable with open wires, 1.5 m (4.9 ft) 254294SP
Probe cable with open wires, 3 m (9.8 ft) 254295SP
Probe cable with open wires, 5 m (16 ft) 254296SP
Probe cable with open wires, 10 m (33 ft) 254297SP
Flat cable, M12-5F – M12-5M, 1 m (3.3 ft) CBL210493SP
Filter DRW246363SP
Gland set for through-wall installation, HPP271 HPP271MOUNTINGSET1
Flange for through-wall installation, HPP271 HPP271MOUNTINGSET2
Wall mount for HPP271 and HPP272 HPP272WALLMOUNT
Transmitters
Indigo transmitters See more
1) Vaisala Insight software for Windows available at www.vaisala.com/insight.

 

HPP272 Series
Measurement Performance
Hydrogen Peroxide
Sensor PEROXCAP
Measurement range 0 … 2000 ppm
Measurement temperature range +5 … +50 °C (+41 … +122 °F)
Repeatability at +25 °C (+77 °F) up to 500 ppm H2O2 ±10 ppm
Accuracy at +10 … +25 °C (+50 … +77 °F) , 10 … 2000 ppm H2O2 1) ±10 ppm or 5 % of reading (whichever is greater)
Factory calibration uncertainty at +25 °C (+77 °F), 500 ppm H2O2 2) ±10 ppm
Response time (T63) 70 s
Relative Saturation
Measurement range 0 … 100 %RS
Measurement temperature range +5 … +50 °C (+41 … +122 °F)
Repeatability at +25 °C (+77 °F), 500 ppm H2O2 ±0.5 %RS
Accuracy at +25 °C (+77 °F) 1) ±4 %RS
Factory calibration uncertainty at +25 °C (+77 °F), 500 ppm H2O2 2) ±2 %RS
Relative Humidity
Measurement range 0 … 100 %RH
Measurement temperature range +5 … +70 °C (+41 … +158 °F)
Accuracy: 1)
at +25 °C (77 °F), 0 ppm H2O2, 0 … 90 %RH ±1 %RH
over full temperature measurement and H2O2 range ±2 %RH
Response time (T63) 20 s
Factory calibration uncertainty at +25 °C (77 °F), 0 ppm H2O2, 0 … 95 %RH 2) ±1 %RH
Temperature
Sensor Pt1000 RTD Class F0.1
Accuracy over temperature range ±0.2 °C (±0.36 °F)
Other Parameters
Absolute H2O2 and H2O, H2O ppm by volume, water vapor saturation pressure (H2O and H2O+H2O2), dew point temperature, vapor pressure (H2O and H2O2)
1) Including non-linearity, hysteresis, and repeatability.
2) Defined as ±2 standard deviation limits. See also calibration certificate
Inputs & Outputs
Operating voltage Digital output: 15 … 30 VDC
Analog output: 15 … 25 VDC
Current consumption at +25 °C (+77 °F)
In digital mode Max. 10 mA
In analog mode Max. 50 mA
During purge Max. 250 mA
Digital Output
Interface RS-485, not isolated; do not use termination on the RS-485 line
Communication protocol Modbus RTU v.1.02
Analog Output
Outputs 2 × 4 … 20 mA 3-wire current outputs
Max. load 500 Ω
Accuracy (typical) ±0.1 % of full scale
Analog output temperature dependence 0.005 %/˚C (0.003 %/°F) full scale
Operating Environment
Operating temperature +0 … +70 °C (+32 … +158 °F)
Storage temperature −20 … +70 °C (−4 … +158 °F)
Ambient pressure Normal atmospheric pressure
IP rating IP65
Compliance
EU directives EMC, RoHS
EMC compatibility EN 61326 1, industrial environment
EMC emissions CISPR 32 / EN 55032, Class B
Compliance marks CE, China RoHS, RCM
Mechanical Specifications
Connector M12/5 male
Materials
Probe body AISI316L stainless steel
Filter cap Porous PTFE
Temperature probe AISI316L stainless steel
Temperature probe cable PTFE
Spare Parts & Accessories
Indigo USB adapter 1) USB2
Probe cable with open wires, 1.5 m (4.9 ft) 254294SP
Probe cable with open wires, 3 m (9.8 ft) 254295SP
Probe cable with open wires, 5 m (16 ft) 254296SP
Probe cable with open wires, 10 m (33 ft) 254297SP
Flat cable, M12-5F – M12-5M, 1 m (3.3 ft) CBL210493SP
Filter DRW246363SP
Gland set for through-wall installation, HPP272 HPP272MOUNTINGSET1
Flange for through-wall installation, HPP272 HPP272MOUNTINGSET2
Wall mount for HPP271 and HPP272 HPP272WALLMOUNT
Indigo transmitters See more
1) Vaisala Insight software for Windows available at www.vaisala.com/insight.

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