Danfoss PFM 100 User manual

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:[phone]
Fax: [phone]
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
companies. Danfoss Heating Solutions and the Danfoss Heating Solutions logotype are trademarks of Danfoss A/S. All rights reserved.
VUE2D202 Produced by Danfoss Heating Solutions © 08/2016
6ASV-I/M measuring KIT for PFM100 1 set 003L8274