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a. Integrated design makes it easy to install and is able to reduce the impact on measurement value from outer interference;

b. Original imported sensor can be used in the high temperature environment within 650℃ in long term;

c. The instrument has high measurement accuracy, strong anti-interference capacity and rapid response speed, and it is high-temperature resistant and weak-acid resistant;

d. The instrument supports multi-fractional linear calibration to satisfy the accurate test among the entire test range;

e. The menu lock function could prevent mis-operation, which may change instrument parameters and affect its performance;

f. Automatic temperature compensation function could eliminate the impact of environmental temperature changes on the measurement value;

g. Two-stage filter could filter dust and acid fluid effectively;

h. The probe is made of 316L and is strongly corrosive-resistant. Other material can be customized or spraying the probe with corrosive-resistant coat for severe application;

i. The protection level of the gauge head is IP65 and is suitable for outdoor severe environment;

j. It is easy to operate and maintain and has long service life;

k. Users can set 4-20mA output corresponding humidity upper and lower limits freely, so that users can get a more accurate analog output.