VAISALA开发，制造和营销用于环境和工业测量的创新产品和服务。在工业测量业务领域为生命科学，电力传输和目标工业应用的工业客户提供服务。
主要经营范围有：
VAISALA温湿度温湿度探头
VAISALA温湿度变送器
VAISALA二氧化碳温湿度探头
VAISALA压差变送器。
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Property
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Description/Value
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Hydrogen peroxide
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Sensor
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PEROXCAP
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Measurement range
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0 ... 2000 ppm
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Measurement temperature range
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+5 ... +50 °C (+41 ... +122 °F)
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Repeatability at +25 °C (+77 F)
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up to 500 ppm H2O2
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±10 ppm
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up to 1000 ppm H2O2
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±15 ppm
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Accuracy (including non-linearity, hysteresis, and repeatability)
at +10 ... +25 °C (+50 … +77 °F) , 10 ... 2000 ppm H2O2
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±10 ppm or 5 % of reading (whichever is greater)
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Factory calibration uncertainty, at +25 °C (+77 °F), 500 ppm H2O2
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±10 ppm
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Response time at +23 °C (+73 °F):
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Response time (T63)
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70 s
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Response time (T90)
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200 s
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Other parameters
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H2O ppm by volume
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Operating voltage
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Digital output: 15 ... 30 VDC
Analog output: 15 ... 25 VDC
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Current consumption at +25 °C (+77 °F)
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In digital mode
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Max. 10 mA
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In analog mode
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Max. 50 mA
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During purge
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Max. 250 mA
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Digital output
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Interface
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RS-485, not isolated; do not use termination on the RS-485 line
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Bit rate
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9600, 19200 (default), 38400, 57600, or 115200 bps
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Parity
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None (default), even, odd
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Data bits
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8
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Stop bits
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1, 2 (default)
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Communication protocol
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Modbus RTU v.1.02
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Analog output
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Outputs
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2 × 4 ... 20 mA 3-wire current outputs
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Max. load
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500 Ω
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Accuracy
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±0.1 % of full scale
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Analog output temperature dependence
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0.005 %/˚C (0.003 %/°F) full scale
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Operating environment
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Operating temperature
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+0 ... +70 °C (+32 ... +158 °F)
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Storage temperature
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-20 ... +70 °C (-4 ... +158 °F)
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Ambient pressure
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Normal atmospheric pressure
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EMC compliance
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EN/IEC 61326-1, Industrial Environment
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Mechanical specifications
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Weight
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110 g (3.88 oz)
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IP rating
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IP65
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Connector
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M12/5 male
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Materials
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Probe body
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AISI316L stainless steel
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Filter cap
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Porous PTFE
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VAISALA温湿度探头HPP271产品介绍
• VAISALA PEROXCAP™ H2O2 测量技术具有出色的长期稳定性。
• 汽化 H2O2 测量范围 0 ... 2000 ppm。
• 坚固的设计允许温湿度探头直接安装在过程环境中。通电时，温湿度探头可承受 H2O2 和 H2O 冷凝。温湿度探头还可以承受氮气。
• 传感器上的保护过滤器设计用于承受高空气流速和湍流。
• 传感器加热以避免传感器上的冷凝。
• 化学清洗以优化性能和使用寿命。
• H2O2 和H2O 浓度测量的压力补偿。
• 数字输出：用于 Modbus 通信的 RS-485 接口。
• 模拟输出：2 x 4 ... 20 mA。
• 易于插入、拔出。
• 使用常规湿度校准器或 H2O2 蒸汽进行现场校准和调整。
• 可用作独立温湿度探头或与Vaisala Indigo 200 系列变送器一起使用。
• 可以连接到 Vaisala Insight 软件进行校准和调整、配置、诊断和临时在线监控。
• Vaisala PEROXCAPâ H2O2 measurement technology with excellent long-term stability.
• Vaporized H2O2 measurement range 0 ... 2000 ppm.
• Robust design allowing the probe to be installed directly in the process environment. When powered on, the probe withstands H2O2 and H2O condensation. The probe also withstands nitrogen gas.
• Protective filter over the sensors designed to withstand high air flow rates and turbulence.
• Sensor heating to avoid condensation on the sensors.
• Chemical purge for optimized performance and lifetime.
• Pressure compensation for H2O2 and H2O concentration measurement.
• Digital output: RS-485 interface for Modbus communication.
• Analog output: 2 x 4 ... 20 mA.
• Easy plug-in, plug-out.
• Field calibration and adjustment with a regular humidity calibrator or with H2O2 vapor.
• Can be used as a stand-alone probe or with Vaisala Indigo 200 series transmitters.
• Can be connected to Vaisala Insight software for calibration and adjustment, configuration, diagnostics, and temporary online monitoring.
VAISALA温湿度探头HPP270系列其他常用型号：
VAISALA HPP271
VAISALA HPP272