Technical data - HPP271

HPP271 User Guide
Product status
Document code
M211888EN
Revision
E
ft:locale
en-US
Product
HPP271
Document type
User guide

HPP271

Table 1. HPP271 measurement performance
Property Description/Value
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
up to 1000 ppm H2O2 ±15 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 at +23 °C (+73 °F):
Response time (T63) 70 s
Response time (T90) 200 s
Other parameters
H2O ppm by volume, dew point temperature
Figure 1. H2O2 measurement accuracy in 3 temperature ranges as function of H2O2 concentration (including non-linearity and repeatability; specification valid for range 10 … 2000 ppm H2O2)
Table 2. HPP271 inputs and outputs
Property Description/Value
Operating voltage

Digital output: 15 … 30 V DC

Analog output: 15 … 25 V DC
Current consumption at +25 °C (+77 °F)
In digital mode Max. 10 mA
In analog mode Max. 50 mA
During sensor purge Max. 250 mA
Digital output
Interface RS-485, not isolated; do not use termination on the RS-485 line
Bit rate 9600, 19200 (default), 38400, 57600, or 115200 bps
Parity None (default), even, odd
Data bits 8
Stop bits 1, 2 (default)
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
Table 3. HPP271 operating environment
Property Description/Value
Operating temperature +0 … +70 °C (+32 … +158 °F)
Storage temperature −20 … +70 °C (−4 … +158 °F)
Ambient pressure Normal atmospheric pressure

IP rating

IP65: Dust-tight. Protected from water jets from any direction.
Table 4. HPP271 compliance
Property Description/Value

EU directives and regulations

 EMC, RoHS

Electromagnetic compatibility (EMC)

EN 61326‑1, industrial environment

EMC emissions

CISPR 32 / EN 55032, Class B

Compliance marks

 CE, China RoHS, RCM
Table 5. HPP271 mechanical specifications
Property Description/Value
Weight 110 g (3.88 oz)
Connector M12-5M
Materials
Probe body AISI316L stainless steel
Filter cap Porous PTFE
1 Including non-linearity, hysteresis, and repeatability.
2 Defined as ±2 standard deviation limits. See also calibration certificate.