Extech Instruments AN320 Скачать руководство пользователя страница 13 | Manualshive

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AN320-en-GB_V1.2 11/14

13

Error

Messages

Error

codes

and

solutions

Air

Temperature

E02

:

Temperature

reading

is

lower

than

the

low

range

limit.

Place

the

meter

in

room

temperature

for

30

minutes.

If

E02

continues,

send

the

unit

to

Extech

for

repair.

E03

:

Temperature

exceeds

the

high

range

limit.

Place

the

meter

in

room

temperature

for

30

minutes.

If

E03

continues

to

appear,

send

the

unit

to

Extech

for

repair.

E31

:

The

A

‐

to

‐

D

converter

requires

replacing.

Send

the

meter

to

Extech

Instruments

for

repair.

Relative

Humidity

(RH)

E04:

Temperature

error

corrupted

the

humidity

reading.

Check

the

temperature

error

solution

section.

E11:

RH

calibration

error.

Send

to

Extech

Instruments

for

repair.

E33:

RH

measurement

circuit

error.

Send

to

Extech

Instruments

for

repair.

Dew

Point

(DP)

and

Wet

Bulb

(WBT)

Temperature

E04

:

Temperature

or

RH

error.

Check

temperature

or

RH

error

solutions.

Air

velocity

E03

:

Velocity

exceeds

the

high

range

limit.

Test

the

meter

using

an

air

velocity

that

is

known

to

be

within

the

specified

range

limits.

Send

the

unit

to

Extech

for

repair

if

the

E03

error

message

persists.

Air

volume

E03

:

Reading

exceeds

the

meter’s

display

limit.

Check

that

the

AREA

setting

is

correct

in

the

Setup

Mode.

E04

:

Air

velocity

error.

Return

meter

to

Extech

for

repair.

CO2

E01/E33

:

Voltage

too

low

or

CO

2

module

error.

Check

if

the

low

battery

icon

is

displayed

on

the

LCD,

if

yes,

replace

with

new

batteries.

Try

a

recalibration,

or

send

the

unit

to

Extech

for

repair

if

the

problem

persists.

Other

Errors

E32

:

Memory

IC

error.

Reboot

the

meter

and

check

it

again;

send

it

to

Extech

Instruments

for

repair

if

the

error

message

persists.

No

display

1.

Check

that

the

batteries

are

making

good

contact

and

are

aligned

for

correct

polarity.

2.

Replace

batteries.

Display

switches

OFF

automatically

This

symptom

could

be

the

normal

‘Sleep

Mode’

which

switches

the

meter

OFF

after

20

minutes

of

in

‐

activity.

If

this

is

not

the

‘Sleep

Mode’,

check

whether

the

low

battery

indicator

appears

before

the

LCD

attempts

to

switch

ON;

if

yes,

replace

the

batteries.

«
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Содержание AN320

Страница 1: ...USER GUIDE Large Vane CFM CMM Anemometer Psychrometer CO2 Model AN320 99 Washington Street Melrose MA 02176 Phone 781 665 1400 Toll Free 1 800 517 8431 Visit us at www TestEquipmentDepot com ...

Страница 2: ...ONS Improper use of this meter can cause damage to the meter and personal injury Read and understand this user manual before operating the meter Inspect the condition of the probe and the meter for any damage before operating the meter Repair or replace damage before use If the equipment is used in a manner not specified by the manufacturer the protection provided by the equipment may be impaired ...

Страница 3: ... mode AVG and up arrow button 4 L mode and down arrow button 5 ON OFF Power and SET button 6 HOLD MAX MIN and left arrow Enter button 7 Unit of measure symbol for lower display row 8 Unit of measure symbol for upper display row 9 Air Velocity Vane Meter Description rear 10 Air temperature humidity and CO2 sensors 11 Battery compartment ...

Страница 4: ...E and SETUP mode sections for details Press momentarily to toggle between ppm CO2 humidity and air velocity readings Press and hold for 2 seconds to access the Multi Point Average and Timed Average modes the AVG icon switches ON Detailed instructions for these modes are provided later in this guide In the Setup mode press to select a category or to increase a value refer to Setup mode later in thi...

Страница 5: ...u display parameters 3 Optional Cone or Funnel attachment icon 4 Units of measure for duct area programming 5 Vane indicator flashes very briefly on power up 6 Display HOLD icon 7 MAX mode icon 8 MIN mode icon 9 Recording icon 10 Elapsed Timer icon 11 AVG mode icon 12 Battery status icon 13 Unit of measure icons Full list shown Available units of measure icons vary by model ...

Страница 6: ...ted in C F Air flow volume is indicated in CFM cubic feet per minute or CMM cubic meters per minute Use the L mode button for lower display and the U mode button for upper display to scroll through the displayed reading options 6 To change between Imperial and Metric units of measure refer to the SETUP Mode section 7 To measure the Air Volume of a duct first measure the duct s area see the Appendi...

Страница 7: ...egin displaying the lowest minimum readings encountered since this mode was accessed The MIN icon will appear at the top of the LCD display indicating that the readings shown are the lowest measured 2 Press and hold the MAX MIN button again for 2 seconds to display the maximum readings encountered The MAX icon will appear on the LCD 3 Press and hold this button again for 2 seconds to return to the...

Страница 8: ...se either arrow button to switch between metric and imperial units The available units are air velocity m s fpm temperature C F air volume CMM CFM and area size cm inch 3 Press HOLD momentarily to return to the P1 0 display 4 Press either arrow button to move to the P2 0 AREA option and follow the steps below P2 0 Area Size Selection enter square inches or square centimeters 1 In setup mode from t...

Страница 9: ...in air with an unknown CO2 concentration Doing so will result in the meter being calibrated to the standard 400 ppm and could lead to inaccurate results 1 Place the meter in a calibrated environment 2 With the meter OFF press SET HOLD and L mode simultaneously to enter CO2 calibration mode 3 The meter will run a 30 second countdown and CAL will show in the lower display 4 During calibration a CO2 ...

Страница 10: ...to use the meter Never dispose of used batteries or rechargeable batteries in household waste As consumers users are legally required to take used batteries to appropriate collection sites the retail store where the batteries were purchased or wherever batteries are sold Disposal Do not dispose of this instrument in household waste The user is obligated to take end of life devices to a designated ...

Страница 11: ... Area Range CMM cubic meters min 0 99999 m3 min 0 1 up to 9999 9 then 1 0 0 to 99999cm 2 CFM cubic ft min 0 99999 ft 3 min 0 1 up to 9999 9 then 1 0 0 to 99999in 2 Temperature Ranges Resolution Accuracy o F o C Air and Wet Bulb 20 to 60 o C 4 to 140 o F Dew Point 5 to 60 o C 23 to 140 o F 0 1 o C o F 0 6 C 20 to 50 C 1 2 C 51 to 60 C 1 1 F 5 to 122 F 2 2 F 123 to 140 F CO2 Range Resolution Accurac...

Страница 12: ...minutes to preserve battery life sleep mode Operating Temperature 0 C to 50 C 32 F to 122 F Storage Temperature 10 C to 50 C 14 to 122o F Operating Humidity 80 RH Storage Humidity 90 RH Operating Altitude 2000m 7000 ft maximum Battery Power Four 4 AAA 1 5V batteries Battery Life 40 hours Battery consumption 8 3 mA DC approx Weight 725g 1 6 lbs including battery and probe Dimensions Main instrument...

Страница 13: ...ange limit Test the meter using an air velocity that is known to be within the specified range limits Send the unit to Extech for repair if the E03 error message persists Air volume E03 Reading exceeds the meter s display limit Check that the AREA setting is correct in the Setup Mode E04 Air velocity error Return meter to Extech for repair CO2 E01 E33 Voltage too low or CO2 module error Check if t...

Страница 14: ... Table m s ft min knots km h MPH 1 m s 1 196 87 1 944 3 6 2 24 1 ft min 0 00508 1 0 00987 0 01829 0 01138 1 knot 0 5144 101 27 1 1 8519 1 1523 1 km h 0 2778 54 69 0 54 1 0 6222 1 MPH 0 4464 87 89 0 8679 1 6071 1 Width W Height H Area A Width W x Height H CFM ft 3 min Air Velocity ft min x Area ft 2 CMM m 3 min Air Velocity m sec x Area m 2 x 60 Radius Area A pi x r 2 Where pi 3 14 and r 2 radius x...

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