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Vaisala HUMICAP HMT310 User Manual

Vaisala HUMICAP HMT310
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USER'S GUIDE
Vaisala HUMICAP
®
Humidity and
Temperature Transmitte
r
HMT310
M210619EN-D

Table of Contents

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Vaisala HUMICAP HMT310 Specifications

General IconGeneral
Measurement Range (Humidity)0 ... 100 %RH
Protection ClassIP65
Accuracy (Humidity)±1 %RH (0 ... 90 %RH) ±1.7 %RH (90 ... 100 %RH)
Accuracy (Temperature)±0.2 °C
Output Signal4...20 mA
Power Supply10...35 VDC
DisplayOptional
Sensor TypeHUMICAP
Temperature Range-40 to +60 °C
Response Time15 s (90 % at +20 °C)
Long-term Stability±1 %RH per year

Summary

General Information

General Safety Considerations

Highlights general safety precautions for using the product.

Product Related Safety Precautions

Lists specific safety measures related to the HMT310 transmitter.

ESD Protection

Explains precautions against electrostatic discharge damage.

Product Overview

Introduction to HMT310

Introduces the Vaisala HUMICAP® Humidity and Temperature Transmitter HMT310.

Probe Options

Details the different probe types available for the HMT310.

Installation

Mounting

Provides instructions on how to mount the transmitter unit.

Operation

Entering Serial Communication Parameters

Guides on setting up serial communication parameters for the transmitter.

List of Commands

Lists available serial commands for controlling and configuring the transmitter.

Setting, Scaling and Testing Analog Outputs

Guides on configuring, scaling, and testing analog output signals.

Chemical Purge (Optional)

Explains the optional chemical purge function for sensor maintenance.

Sensor Heating

Describes the sensor heating function for high humidity environments.

Maintenance

Calibration and Adjustment

Calibration and Adjustment Commands

Details commands for performing calibration and adjustments.

FCRH Relative Humidity Calibration after Sensor Change

Specific procedure for RH calibration after sensor replacement.

Relative Humidity Calibration and Adjustment (in Two Points)

Describes the two-point calibration method for relative humidity.

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