RS PRO RS-1340 Manuale utente

RS Stock No. 724-4207

Instruction Manual

RS-1340

Hot Wire Anemometer

FREN IT DE ES

CONTENTS / EN

04/26/13 Version No. 01

CONTENTS

Title Page

1. SAFETY INFORMATION.............................................................1

2. INTRODUCTION..........................................................................2

3. SPECIFICATIONS.......................................................................3

4. PARTS & CONTROLS ................................................................4

4-1 Description of Parts & Control keys........................................4

4-2 Description of Display.............................................................6

5. MEASURING PROCEDURE .......................................................8

5-1 Getting Started .......................................................................8

5-2 Settings and Calibrations........................................................8

5-3 Air Velocity Measurement.....................................................10

5-4 Air Flow Measurement..........................................................10

5-5 MAX/MIN/AVG Recording Measurement .............................11

5-6 Air Velocity Manual Data Memory and Read Mode..............11

5-7 Air Flow Manual Data Memory and Read Mode...................11

5-8 Air Flow Auto Data Memory and Read Mode.......................12

5-9 Clearing Memory..................................................................12

6. MAINTENANCE.........................................................................13

6-1 Cleaning ...............................................................................13

6-2 Battery Replacement............................................................13

SAFETY INFORMATION / EN

04/26/13 Version No. 01 EN-1

1. SAFETY INFORMATION

The following symbol may appear on the instrument and in this instruction

manual:

Refer to Instruction Manual

CAUTION

When using the meter to check air flow, make certain that you can safely raise and hold

the meter while making measurements. Be especially careful when working on a

ladder.

Observe all necessary precautions so that the unit does not become caught in moving

machinery or touch any exposed electrical wiring.

DANGER

The meter is not designed for use in gas mixtures other than air. DO NOT use the unit

with corrosive or other dangerous or explosive gas mixtures.

INTRODUCTION / EN

04/26/13 Version No. 01

EN-2

2. INTRODUCTION

The Portable Air Velocity Meter is a lightweight instrument that can be used anywhere

to measure air velocity using the flexible telescoping probe, applications include

ventilation hood air velocity, clean rooms, OSHA compliance, ventilation ducts and

outlets, heating and air – conditioning, wind tunnels, product development, air – flow

research and mass – flow measurement in ducts.

Applications:

•HVAC system performance

•Commissioning

•Plant maintenance

•Critical environment certification

•Duct traverses

FEATURES:

•Fast response probe.

•Air flow volume.

•Instant / Avg /

V max flow measurement.

•Velocity m/s, f t/min, knots, km/hr, mph, Beaufort (Bft).

•Data hold & Maximum / Minimum / Average function.

•Manual data memory and read function (5 x 99 sets).

•Auto data memory and read function (5x 99 sets).

•LCD triple display.

•Auto power off function ON / OFF Time setting.

•Backlight function ON / OFF Time setting.

•Telescoping probe with flexible probe end.

•Simple and safe to use.

SPECIFICATIONS / EN

04/26/13 Version No. 01 EN-3

3. SPECIFICATIONS

Display : Triple display, 4 digit LCD reading.

Velocity Probe :

Range : 0 to 30 m/s (0 to 600 ft/min)

Resolution : 0.01 m/s (1 ft/min)

Accuracy : ±3% of reading ±1%FS

Duct Size :

Range : 1 to 635 cm in increments of 0.1 cm.

(1 to 250 inches in increments of 0.1 in.)

Volumetric Flow Rate :

Ranges : Actual range is a function of actual velocity, and duct size.

Warm up Time : < 1 minute

Response Time : < 2 seconds

Sampling Rate : One time per second.

Manual Data Memory Capacity : 5 x 99 sets.

Auto Data Memory Capacity : 5 x 99 sets.

Operation Temperature Range :

Meter : 0 to 50°C (32 to 122°F)

Probe : -10 to 60°C (14 to 140°F)

Storage : -20 to 60°C (-4 to 140°F)

Operation Conditions :Altitude up to 2000 metres.

Relative humidity up to 80%RH, non – condensing.

Power Supply : 6 pcs 1.5V size AAA battery.

Battery Life : Approx. 10 hours.

Probe Dimensions / Weight :

Wire length : 2.2 metre (7.2 ft)

Probe length : 1.2 metre (3.9 ft)

Probe diameter of tip : 9.0 mm (0.35 in.)

Probe diameter of base : 28.0 mm (1.1 in.)

Probe weight : 165 g (0.36 lbs)

Meter Weight / Dimensions : 235 g (0.52 lbs)

150 x 72 x 35 mm

5.9 x 2.8 x 1.4 inches

Supplied Accessories : Instruction manual, battery and Carry case.

PARTS & CONTROLS / EN

04/26/13 Version No. 01

EN-4

4. PARTS & CONTROLS

4-1 Description of Parts & Control keys

1. Air velocity sensor. (Measurement direction)

2. Flexible, telescoping probe.

3. Display.

4. Power key : Press power key to turn the meter on or off.

5. H HOLD key : Press H Hold key to freeze or unfreeze the display reading.

In H mode, press UNIT key to select the desired unit of display.

6. key : Press key to turn on and off the backlight.

7. MX/MN key : Press “MX/MN” key to select between the reading of Maximum, Minimum,

Average and Current record mode. Press “MX/MN” key for 2 seconds to

exit this mode.

8. SET key : Press “SET” key to enter setting mode.

•Flow setup mode.

PARTS & CONTROLS / EN

04/26/13 Version No. 01 EN-5

•Choosing a time constant mode.

•Choosing auto data memory interval time mode.

•Auto power off time setting mode.

•Backlight time setting mode.

•Air velocity calibration mode.

•Reset to factory default calibration value mode.

9. UNIT key : Press “UNIT” key to select the desired unit of measure.

10. FLOW key : Press “FLOW” key to select desired air velocity to determine the Air Flow.

•2/3V MAX : Use the maximum reading obtained to determine the 2/3V

MAX Air Flow.

•AVG : Use the average reading to determine the Air Flow.

•Use the current reading to determine the Air Flow.

11. ↵

↵↵

↵key : Enter / Exit a setting mode or store the displayed setting.

12.

Test ID key

: A group of samples. The statistics (maximum, minimum, average and count)

are calculated for each TEST ID. The total number of TEST IDs is 10.

Press “

Test ID

” key to select the desired TEST ID number from 0 to 9.

13. 



AUTO MEM key :

In the setting mode, press this key to move the flashing cursor to the left.

In the TEST ID modes 0 to 4, press this key once to store the one data to memory.

In the TEST ID modes 5 to 9, press this key to start auto data memory mode, press

this key again to exit this mode.

14. 







keys :

In the setting mode, press “







”keys to increase or decrease the displayed setting.

In the READ mode, press “







”keys to select increase or decrease the memory

address.

15. READ



key :

In the setting mode, press this key to move the flashing cursor to the right.

Press this key to enter the data memory READ mode, press this key again to exit

this mode.

16. Sensor protection cap.

PARTS & CONTROLS / EN

04/26/13 Version No. 01

EN-6

4-2 Description of Display

AIR VELOCITY DISPLAY

FLOW

SET UP

DISPLAY

AIR FLOW

DISPLAY

MEMORY DISPLAY

AIR VELOCITY DISPLAY :

: Auto power off indication.

H : Data hold indication.

SET : Setting mode indication.

REC : Record mode and current air velocity measured display indication.

REC MAX : Maximum air velocity measured display indication.

REC MIN : Minimum air velocity measured display indication.

REC AVG : Average air velocity measured display indication.

(The average of the last 30 samples)

Air Velocity Units :

knots

mile/hr : Miles per hour

km/hr : Kilometres per hour

ft/min : Feet per minute

Bft : Beaufort scale

m/s : Metres per second

FLOW SET UP DISPLAY :

: Round Duct diameter dimension indication.

X : Rectangle Duct X dimension indication.

Y : Rectangle Duct Y dimension indication.

Kf : K factor indication.

AREA : Duct Area indication.

: Square metres

: Square feet

in : Inches

cm : Centimetre

PARTS & CONTROLS / EN

04/26/13 Version No. 01 EN-7

AIR FLOW DISPLAY :

2/3V MAX : 2/3V Maximum mode is selected indication.

AVG : Average mode is selected indication.

: Current mode is selected indication.

x 10 : Multiply reading by ten.

x 100 : Multiply reading by one hundred.

x 1000 : Multiply reading by one thousand.

/min : Cubic feet per minute.

/min : Cubic metres per minute.

MEMORY DISPLAY :

TEST ID 0 – 4 : Manu data memory indication.

TEST ID 5 – 9 : Auto data memory indication.

SAMPLE : Data memory number address indication.

AVG

SAMPLE

: Total average data number indication.

M : Data memory indication, M display one time store one data into the memory.

R : Data read mode indication.

TC s : Average time constant indication.

INTV

: Auto data memory interval time indication.

+ -

: Low battery indication.

MEASURING PROCEDURE / EN

04/26/13 Version No. 01

EN-8

5. MEASURING PROCEDURE

5-1 Getting Started

1. Installing the Batteries

Insert six AAA batteries as indicated by the diagram located on the inside of the

battery compartment.

2. Extending the Probe

To extend the probe, remove the sensor protection cap, hold the handle in one

hand while pulling on the probe tip with the other hand. Do not hold the cable while

extending the probe as this prevents the probe from extending.

3. Using the flexible telescoping probe

The flexible telescoping probe contains the air velocity sensor. When usingthe probe,

remove the sensor protection cap then rotate or bend the flexible tube, make sure the

sensor windowis fully exposed and is facing upstream.

※

※※

※If in the right direction, the user will see the red-ink marking as following figure.

4. Retracting the Probe

To retract the probe, hold the handle in one hand while pushing on the probe tip with

the other hand. If you feel the probe antenna binding, pull gently on the probe tube

until the flexible tube section is retracted. Collapse the rest of the antenna by

pressing the probe tip and refit the sensor protection cap.

5-2 Settings and Calibrations

1. Flow Set Up mode

Press key to turn on the meter.

Press “UNIT” key to select the desired measurement unit.

Press “SET” key to enter the Flow Setup mode, the “ SET ” symbol is displayed.

There are 4 types : Round Duct (), Rectangle Duct ( ), Duct Area (AREA),

and K factor (Kf).

Press “



” and “



” keys to scroll through the choices and press “↵

↵↵

↵” key to confirm

your choice.

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