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Extech Instruments SDL350 User Manual

Extech Instruments SDL350
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Hot Wire
5
USER MANUAL
Hot Wire Thermo-Anemometer with
Datalogger
Model SDL350
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Extech Instruments SDL350 Specifications

General IconGeneral
ModelSDL350
CategoryMultimeter
BrandExtech Instruments
Display TypeLCD
Max Voltage Measurement1000V
Max Current Measurement10A
Data LoggingYes
Diode TestYes
Continuity TestYes
Data HoldYes
Auto Power OffYes
Frequency Measurement10MHz
Temperature Measurement-40°C to 1000°C
DC Voltage Range1000V
AC Voltage Range750V
DC Current Range10A
AC Current Range10A
Resistance Range40MΩ
Capacitance Range100µF
Frequency Range10MHz
Safety RatingCAT III 1000V

Summary

Introduction

Safety

International Safety Symbols

Symbol indicating the need to refer to the manual for further information.

Description

Meter and Hot Wire Probe Components

Detailed list and description of the meter's parts and the hot wire probe.

Hot Wire Probe Top Details

Specifics about the hot wire probe tip, including sensor orientation and protective cover.

Operation

Meter Functions and Modes

Explains the meter's three operating modes: Air Velocity, Thermocouple, and Air Volume.

Air Velocity Plus Temperature Mode

Instructions for using the meter to measure air velocity and temperature.

Changing Air Velocity Units of Measure

Procedure for selecting measurement units for air velocity (m/s, FPM, Km/h, etc.).

Thermocouple Temperature Mode

Instructions for measuring temperature using Type K or J thermocouples.

Air Flow (Volume CFM/CMM) Measurement

Guide for measuring air volume using CFM or CMM units.

Data Hold Functionality

How to freeze the displayed measurement value.

MAX-MIN Readings

How to record and recall maximum and minimum measurement values.

Display Backlight Control

Instructions for turning the display backlight on or off.

System Reset Procedure

Steps to reset the meter if keys become inoperable or display freezes.

AC Power Adaptor Usage

Information on connecting and using the optional AC power adaptor.

Datalogger Functionality

Overview of the meter's data logging capabilities.

SD Card Information

Details on SD card compatibility, insertion, and formatting for datalogging.

Manual Datalogging

Procedure for manually logging readings to an SD card.

Automatic Datalogging

Instructions for automatically logging data at specified intervals.

SD Data Card to PC Transfer

Steps for transferring logged data from the SD card to a computer.

RS-232/USB PC Interface

Setup Mode

Accessing the Setup Mode

How to enter and navigate the meter's setup menu.

Setting the Clock Time

Procedure for setting the date and time on the meter.

Setting Datalogger Sampling Time

Configuring the interval for automatic data logging.

Auto Power OFF Feature Control

Enabling or disabling the automatic power-off function.

Beeper Sound ON/OFF Setting

Controlling the audible beeper for operations.

Numerical Format Setting (Decimal/Comma)

Choosing between USA (decimal) and European (comma) number formats.

SD Card Formatting

Instructions for formatting an SD card for use with the datalogger.

Temperature Units of Measure (°C/°F)

Selecting Celsius or Fahrenheit for temperature readings.

Temperature Thermocouple Type (J/K)

Specifying the type of thermocouple (J or K) being used.

Air Flow Volume Units (CFM/CMM)

Setting units for air volume measurement (CFM or CMM).

Air Duct Area Value Setting

Inputting duct area for accurate Air Flow (Volume) calculations.

Battery Replacement and Disposal

Battery Safety Reminders

Important safety guidelines regarding battery handling and disposal.

Specifications

General Specifications

Overview of the meter's general technical characteristics and features.

Electrical Specifications

Air Velocity Specifications

Detailed electrical specifications for air velocity measurements.

Air Temperature Specifications (Built-in)

Electrical specs for the built-in thermistor temperature sensor.

Air Flow (CFM/CMM) Volume Specifications

Electrical specifications for air flow volume measurements.

Air Temperature Specifications (Thermocouple)

Electrical specs for thermocouple temperature measurements.

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