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Extech Instruments HD700

Extech Instruments HD700
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USERGUIDE
HeavyDuty
DifferentialPressureManometer
ModelHD700
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Extech Instruments HD700 Specifications

General IconGeneral
Power Supply9V battery
Data HoldYes
Min/MaxYes
Average/CurrentYes
Data LoggingNo
AlarmsNo
Resolution0.1°F/°C; 0.1%RH; 1ft/min; 0.1m/s
DisplayDual LCD
Units°F/°C, ft/min, m/s
Operating Temperature0 to 50°C
Operating Humidity10 to 90% RH
Temperature Range14 to 140°F (-10 to 60°C)
Humidity Range10% to 95% RH
Sensor TypeVane Anemometer, Capacitance Humidity Sensor, Thermistor Temperature Sensor

Summary

Introduction

Meter Description

P1 input

Input port for pressure measurement.

AC adaptor jack

Connection for external power supply.

P2 Input

Second input port for differential pressure.

LCD Display

Shows measurement data, units, timer, and symbols.

USB PC interface jack

For data acquisition software connection.

UNIT button

Selects the unit of measure.

DIF button

Displays differential pressure or offsets readings.

RECORD button

Accesses MIN/MAX/AVG recording mode.

HOLD ZERO button

Freezes reading or zeros the display.

BACKLIGHT button

Controls display backlight.

POWER button

Turns the meter ON or OFF.

Battery compartment (on rear)

Location for battery.

Display Indicators

USB data output active

Indicates active data transfer via USB.

Differential Pressure Mode

Shows when the device is in differential pressure mode.

Data Hold Mode

Indicates when the displayed reading is frozen.

Primary display

Main area showing measured values.

Record Mode

Indicates when recording (MIN/MAX/AVG) is active.

MAXMINAVG indicators

Shows which recording mode is active.

Low Battery Indicator

Alerts when the battery power is low.

Pressure unit of measure

Displays the currently selected unit.

Elapsed Timer

Shows the duration of an operation or recording.

Basic Operation

Meter Power

How to power the device and battery status.

Automatic Power-off Feature

Manages battery conservation by auto shut-off.

Unit of Measure

Fittings Connection

Zero Adjust and Offset Function

MIN-MAX-AVG Record Mode with Elapsed Timer

USB PC Interface

Displayed Error Codes

General Specifications

Range Specifications

Battery Replacement

Conversions

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