HK Instruments PHM-V1 Manuel utilisateur

PHM-V1

Micromanometer

User guide

2021 ver. 2.0

TECHNICAL SPECIFICATIONS ......................................................4

Technical specifications..........................................................4

Measurement technology ........................................................4

Conformity.....................................................................4

UNPACKING ......................................................................5

COMMISSIONING .................................................................5

Installing batteries ..............................................................5

USING THE METER ................................................................6

Button functions................................................................6

Menu ..........................................................................7

Main menu..................................................................7

Zeroing measurement ........................................................7

Measure using K-value .......................................................7

Select valve .................................................................7

Settings........................................................................8

Measurement type ..........................................................9

Display settings .............................................................9

Date ......................................................................10

Clock......................................................................10

Auto Off...................................................................10

Temperature ...............................................................10

Measurements.................................................................10

Measurements .............................................................11

Saving on ..................................................................11

Delete all ..................................................................11

Table of contents

MAKING MEASUREMENTS........................................................12

K-factor measurement..........................................................12

Measurement using chosen valve ................................................12

Saving the measurement results .................................................13

Notifications ..................................................................14

Low battery................................................................14

Memory full................................................................14

PHM-V1 MANAGER -PROGRAM...................................................15

Compatibility ..................................................................15

Installation ....................................................................16

Starting the program ...........................................................19

Valve database ................................................................20

Adding data into database ......................................................23

Saving valve database ..........................................................27

Downloading database from the meter and onto the meter .........................27

Downloading measurement data from the meter ..................................29

Creating measurement data manually ............................................31

Creating a measurement record .................................................31

Adding business contact information .........................................36

Printing....................................................................37

Saving measurement data.......................................................38

Service ...........................................................................39

Calibration ....................................................................39

Housing.......................................................................39

Storage .......................................................................39

TECHNICAL SPECIFICATIONS

Measurement range: -250 … 2550 Pa

Accuracy*: 1.4 % from reading

Maximum overpressure: 30 kPa

Compatible mediums: Air and non-aggressive gases

Power supply: 4 x AAA batteries or rechargeables

Connectors: Pressure hoses: male Ø 5.0 mm

USB: Mini B

Weight: 170 g

Dimensions: 175.0 x 80.5 x 30.0 mm

Operating temp. range: -10 … 50 °C

Operating humidity range: 0 … 95 % rH

Protection class: IP 54

Units on display: Air volume flow: l/s, m³/s, m³/h

Pressure: Pa, mmH2O, inchWC, mbar

*) Includes general accuracy, temperature drift, linearity, hysteresis and repetition error. All

devices are individually calibrated and temperature compensated.

MEASUREMENT TECHNOLOGY

Measurement is based on differential pressure measurement, where the volume flow

is calculated by K-values stated by valve manufacturers. The device uses the following

formula: q=k∙√¯∆P, where [q] = l/s and [∆P] = Pa.

Can be used with a pitot tube.

CONFORMITY

The device conforms to the following requirements:

RoHS:2011/65/EU

EMC:2014/30/EU

WEEE:2012/19/EU

CE: UKCA:

S.I. 2012/3032

S.I. 2016/1091

S.I. 2013/3113

UNPACKING

Unpack the device and accessories carefully from the shipping container and check that

all the items listed below can be found. Notify your reseller immediately if any items are

damaged or missing.

● The PHM-V1 device

● 2-meter-long PVC hose (2 pcs)

● USB Mini B cable

● Fläkt Woods valve measurement tool

● Carry strap (attached to the device)

COMMISSIONING

The PHM-V1 works using four AAA alkaline batteries or rechargeables. The device has been

fitted with alkaline batteries from the factory, so there is no need to install batteries when

first starting to use the device.

INSTALLING BATTERIES

Open the battery compartment by pushing the locking tab to the unlocked (right) position.

Install four AAA batteries into the compartment as shown inside. Close the compartment

and lock it by pushing the locking tab to the locked (left) position.

Picture 1. Opening the battery compartment

USING THE METER

Button functions

Power on/o

Adjust params. /

change K-factor table

Adjust parameters

/ down in menu

Adjust params.

/ back in menu /

change K-factor

table

Accept value /

Enter menu

Adjust para-

meters / up in

Recently used valves

The device is turned off by pressing the power button continuously for over 2 seconds.

Picture 2. The keyboard

The menu is accessed by pressing the top left-hand corner button. When navigating the

menus, OK moves forward and left arrow moves back.

Main menu

Following choices are available in the main menu:

● ZERO

● K-VALUE MEASUREMENT

● CHOOSE VALVE

● SETTINGS

● MEASUREMENTS

Measure using K-value

In the K-value measurement mode, one K-value is selected for measurement. K-value can be

changed using the keyboard. (See “K-factor measurement, page 12”).

Select valve

One pre-installed ventilation valve can be selected at a time in the CHOOSE VALVE menu.

You may adjust the valve opening using the keyboard which automatically yields the correct

K-value. (See “ Measurement using chosen valve, page 12”).

Zeroing measurement

Measurement is zeroed by selecting ZERO. A bar graph on the display indicates when the

zeroing is completed. The device will automatically return to measurement mode once the

zeroing is completed.

MENU /5

ZERO



CHOOSE VALVE

SETTINGS

MEASUREMENTS

MENU /5

ZERO



CHOOSE VALVE

SETTINGS

MEASUREMENTS

SETTINGS

General device settings are altered in the settings menu. The following settings are available:

● CHOOSE UNITS

● MEAS. TYPE

● DISP SETTINGS

● DATE

● CLOCK

● AUTO OFF

● TEMPERATURE

CHOOSE UNITS

Pressure and volume flow units can be changed via the CHOOSE UNITS menu. Possible

units for pressure are: Pa, mmH2O, inchWC and mbar. Possible units for volume flow are: l/s,

m3/h and m3/s. The selected unit is shown in bold text.

SETTINGS 1/7

CHOOSE UNITS

MEAS. TYPE

DISP SETTINGS

DATE 17.11.2016

CLOCK 10:19:43

MENU 1/5

ZERO

K–VALUE MEASUREMENT

CHOOSE VALVE

SETTINGS

MEASUREMENTS

OK OK

SETTINGS 1/7

CHOOSE UNITS

MEAS. TYPE

DISP SETTINGS

DATE 17.11.2016

CLOCK 10:19:43

CHOOSE UNITS 1/2

FLOW l/s

PRESSURE Pa

MENU /5

ZERO



CHOOSE VALVE

SETTINGS

MEASUREMENTS

OK OK

SETTINGS /7

CHOOSE UNITS

MEAS. TYPE

DISP SETTINGS

DATE 17.11.2016

CLOCK 10:19:43

MEAS TYPE /4

AVERAGE 05 s

THREE POINTS

SINGLE POINT

MULTIPLE POINTS 01

MENU /5

ZERO



CHOOSE VALVE

SETTINGS

MEASUREMENTS

OK OK

SETTINGS /7

CHOOSE UNITS

MEAS. TYPE

DISP SETTINGS

DATE 17.11.2016

CLOCK 10:19:43

DISPLAY /3

BACKLIGHT 20 %

VOLUME FLOW ON

PRESSURE ON

MEASUREMENT TYPE

The user may select from four different measurement methods: averaging, three-point

measurement single-point or multiple points measurement .

(See “Making measurements”, page 12).

Average measures pressure and volume flow averages from time period selected by the

user. The period can be changed when Averaging is selected and OK is pressed. The period

will start to blink. Desired time period (1…59 s) may now be selected using up and down

arrows. Selection is confirmed by pressing OK. Selected measurement method is shown in

bold text.

Three points takes three separate measurements of pressure and volume flow and the end

result is an average of the three measurements.

Single point uses instantaneous pressure and volume flow measurements.

DISPLAY SETTINGS

Backlight brightness and visibility of pressure and volume flow measurements can be

adjusted in the display settings.

Please note! To maximize the battery life of the device it is recommended to set the

backlight brightness to only as bright as the surroundings dictate. Typically, 20 % is bright

enough for all surroundings. This will make the battery life significantly longer.

Multiple points measurement allows pressure and flow measuring from the multiple

measuring points and the result is an average of the measured points (max. 15 points).

DATE

Date is set by pressing OK and changing values using the up and down buttons. Active

selection will blink on the screen. You may move to the next value by pressing right button

and to the previous by pressing left button. When the date is set, press OK to confirm.

CLOCK

Time is set by pressing OK and changing values using the up and down buttons. Active

selection will blink on the screen. You may move to the next value by pressing right button

and to the previous by pressing left button. When the time is set, press OK to confirm.

AUTO OFF

Auto Off will shut down the device automatically after it has been left unused for 10

minutes. Auto Off can be turned on or off by pressing OK.

TEMPERATURE

Temperature is set by pressing OK and adjusting with up and down buttons. Air density

changes with temperature, and therefore affects the volume flow calculation. K-values

usually apply under normal room conditions (temperature 20 °C). Changing the temperature

value the device will automatically compensate the volume flow calculation.

MEASUREMENTS

Old measurement savings can be viewed and deleted in the Measurements-menu. It is also

possible to toggle measurement saving on or off. There are three selections available in the

menu:

● RESULTS

● SAVING ON

● DELETE ALL

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