Danfoss PFM 100 Manuale utente

1 Application

The PFM 100 is used for measuring the differential pressure on

both sides of a valve in hydronic systems.

The set consists of :

▪One PFM 100 Measuring Instrument.

▪Two hoses with couplings.

▪Two needles incl. ball valves.

Flow and pressure can be displayed in various units, which you

can choose from in the menu.

The PFM 100 can communicate with you in one of 10 possible lan-

guages.

Please note that the pressure unit must not be exposed to sub-

zero temperatures. The pressure unit must at all times be stored at

temperatures above 0° C.

2 Functions

ON / OFF button.

Menu button.

Used for navigating through the menu options.

Press to enter the menu. Press and hold to exit the

menu.

Confirmation button.

Press to select the marked item.

3 Usage

1. Connect the hoses to the valve.

2. Air the hoses.

3. Connect the valve to the PFM 100.

4. Zero adjust.

▪From the main menu select the Zeroing option in order

to correct the static pressure influence.

▪To reset the device to zero follow the instruction on the

display.

5. Type in the Kv-value.

If the kVvalue of the measured valve is known, it can be en-

tered in the PFM 100 to display the valve flow.

▪From the main menu select the Kv value option.

▪Press the Confirmation button to go through the se-

quence of numbers.

▪Press the Menu button to increase / decrease the num-

bers.

▪Press and hold the Confirmation button to save and

exit the menu.

6. Read off the flow in the display of the PFM 100.

User Guide

PFM 100 Measuring Instrument

Danfoss Heating Solutions VUE2D202 1

4 Technical Specifications

Type Specifications

Pressure sensor Piezo resistive true differential

Pressure range 10 bar

Max. overpressure Positive side: 15 bar

Negative side: 10 bar

Non-linearity and hysteresis error 0.15% of pressure range

Temperature error 1.5% over ambient and medium temperature

Medium temperature -5 to 90°C

Ambient temperature -5 to 50°C

Storage temperature -5 to 50°C

Pressure connection R21 quick couplers

Batteries 2 x AA NiMH rechargeable

Power consumption Max. 55 mA

Display 128 x 64 monochromatic, backlight

Keyboard 3 keys

Pressure units 11

Flow units 11, incl. US units

kV-range 0 to 99999, with 0.1 step

Dimensions 94 x 218 x 35 mm

Weight 600 g, incl. batteries

Cover IP65

Calibration validity 12 months

5 Ordering PFM 100

No. Type Set / pcs Danfoss code no.

1 FPM 100 Measuring Instrument 1 003L8260

6 Spare Part List

No. Type Set / pcs Danfoss code no.

1 Measuring hose, 2 x 1.5 m 1 set 003L8261

2 Needle 1 pcs 003L8262

3 Quick coupling 1 pcs 003L8263

4 Filters 1 set 003L8264

5 Strap 1 pcs 003L8265

User Guide PFM 100 Measuring Instrument

Danfoss A/S

Heating Solutions

Haarupvaenget 11

8600 Silkeborg

Denmark

Phone:+45 7488 8000

Fax: +45 7488 8100

Email: [email protected]

www.heating.danfoss.com

Danfoss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfoss reserves the right to alter its products without notice. This also applies to products

already on order provided that such alterations can be made without subsequential changes being necessary in specifications already agreed. All trademarks in this material are property of the respective