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Vaisala QBR101 - User Manual

Vaisala QBR101
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Battery Regulator
QBR101
USER'S GUIDE
M210374en-A
March 2003
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Vaisala QBR101 Specifications

General IconGeneral
Measurement Range (RH)0 to 100 %RH
Temperature Range-40 to +60 °C
Operating Temperature-40 to +60 °C
Protection ClassIP65
Reported parametersRelative Humidity, Temperature
Accuracy (Temperature)±0.2 °C
OutputRS-485
Power Supply10 to 30 VDC
TechnologyCapacitive
CommunicationRS-485

Summary

General Information

About This Manual

Provides information on installing and operating the QBR101 Battery Regulator.

Version Information

Details the manual code and version for the QBR101 Battery Regulator User's Guide.

Feedback

Instructions for submitting comments and suggestions regarding the manual to Vaisala.

General Safety Considerations

Highlights important safety considerations throughout the manual using WARNING, CAUTION, and NOTE indicators.

ESD Protection

Explains the risks of Electrostatic Discharge (ESD) and precautions for handling sensitive components.

Warranty

Information on Vaisala's standard one-year limited warranty for products.

Technical Support

Contact information for Vaisala's technical support for questions related to the product.

Product Overview

Introduction to QBR101 Battery Regulator

Introduces the QBR101 Battery Regulator features, advantages, and its role in UPS systems.

Charger

Details the charging capabilities for lead-acid and Ni-Cd batteries, voltage selection, and current limit settings.

Control Circuit

Explains battery voltage monitoring, LED status, output control, and voltage measurement terminals.

Installation

Connections

Describes the three removable screw connectors (X1, X2, X3) and their pin assignments.

Jumpers for Charge Current Limit

Explains how to set the battery charging current limit using jumpers J1-J3.

Jumper for Battery Voltage Select

Details the function of jumper J4 for selecting 12 V or 24 V battery systems.

LEDs

Describes the function and states of the green Charging LED and the Battery Status LED.

Mechanical Installation

Details how to install the QBR101 unit using DIN-rail or wall mounting, including dimensions.

Technical Data

Specifications

Lists electrical performance specifications for the QBR101, including voltage, current, and capacity.

Charge Voltage Adjustment

Explains how to set charging voltage using an external resistor and provides examples.

Temperature Compensation NTC

Details the function of the NTC resistor for temperature-based charging voltage compensation.

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