DANFOSS MEP 2600/2650 Series Pressure Transmitters

DANFOSS MEP 2600/2650 Series Pressure Transmitters are robust OEM pressure transmitters featuring an integrated pulse snubber that effectively protects against cavitation and fluid shock. Their solid design delivers excellent vibration resistance and exceptional mechanical strength. In addition, the series offers a high level of EMI/EMC immunity, making these electronic pressure devices suitable for a wide range of applications.

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DANFOSS MEP 2600/2650 Series Pressure Transmitters

Key features

Designed for rugged OEM applications
Excellent long-term stability with virtually no zero drift
Hermetically sealed construction to prevent leakage
Stainless-steel wetted parts
Suitable for media and ambient temperatures up to 125°C
Dual-output versions combine switching functionality with an analog output signal:
0–5 V, 1–5 V, 1–6 V, 0–10 V, or 10–90% ratiometric voltage
Switch versions allow adjustable hysteresis and time constant (time delay)
Wide selection of pressure and electrical connections
High EMC immunity up to 100 V/m
Integrated over-temperature protection

Applications

The integrated pulse snubber protects the sensor from cavitation, liquid hammer, and pressure peaks that may occur in fluid systems when flow velocity changes rapidly—such as during fast valve closure, or when pumps start and stop.

These effects can occur on both the inlet and outlet sides of a system, even in low operating-pressure installations. Fluid viscosity only has a minor influence on response time; even at viscosities up to 100 cSt, the response time remains below 4 ms.

Figure 1: Integrated pulse snubber (Pulse-snubber)

Performance (EN 60770)

Type	MEP 2600 and MEP 2650
Type	Switch output (Switch – output)
Switch Hysteresis	1 – 8% FS
Switch Time delay	8 – 512 mS
Accuracy (incl. non-linearity, hysteresis and repeatability)	2% FS (1 – 5% Hysteresis) 3% FS (6 – 8% Hysteresis)
Thermal accuracy	< ± 0.15% FS / 10K

(1)For detailed information please contact Danfoss.

Overload and burst pressure – without pulse-snubber

Features	Values
Nominal pressure[bar]	10	16	25	40	60	100	160	250	400	500	600	1000(2)	1600(2)	2200(2)
Overload pressure	30	48	80	80	140	200	320	500	800	1400	1400	2000	2500	3000
Burst pressure	400	640	800	800	1400	2000	1600	2500	4000	>4000	>4000	>4000	>4000	>4000

(2)Only available wih M12 × 11.5 P high pressure port, type FC06. Please contact Danfoss.

Overload and burst pressure – with integrated pulse-snubber

Features	Values
Nominal pressure [bar]	10	16	25	40	60	100	160	250	400	500	600
Overload pressure	30	48	120	120	210	300	480	750	1200	2100	2100
Burst pressure	400	640	800	800	1400	2000	1600	2500	4000	>4000	>4000

Electrical specifications

Type	MEP 2600 and MEP 2650
Type	Switch output (Switch – output)
Max. load(3)	500 mA
Electrical connector types	See Electrical connections
Max. inrush load	600 mA
Supply voltage	8 – 32 V
Over/reverse voltage	± 33 V

(3)For inductive load limits, please contact Danfoss.

Secondary output reference for MEP 2200/2250 Series

Nom. output signal (Short-circuit protected)	NPN and PNP		NPN
Nom. output signal (Short-circuit protected)	0 – 5, 1 – 5, 1 – 6 V	0 – 10 V	10 – 90% ratiometric
Supply voltage [UB], polarity protected	8 – 32 V	12 – 32 V	–
Supply – current consumption	4.5 mA	4.5 mA	4.5 mA
Output inpedance	≤ 90 Ω	≤ 90 Ω	≤ 90 Ω
Load [RL] (connected to 0 V)	RL ≥ 10 kΩ	RL ≥ 10 kΩ	RL ≥ 5 kΩ
Load [RL] (connected to + V)	Not possible	Not possible	RL ≥ 5 kΩ

Technical data

Features		Values
Media temperature range		– 40 – 125 °C
Ambient temperature range		– 40 – 125 °C
Compensated temperature range		– 40 – 125 °C
Transport temperature range		-55 – 150 °C
EMC – Emission		EN 61326-2-3: 2013
EMC Directive		2014/30/EU
EMC – Immunity RF field	100 V/m, 26 Mhz – 1 GHz	EN 61326-2-3 Cable < 30 m
	3 V/m, 1.4 GHz – 2.7 GHz
Electrical performance comply with		ISO 7637 pulse 1 – 4 V (MEP 26XX)
		ISO 7637-2 / ISO 16750 (MEP 22XX) (pulse 5b <45 V)
Vibration stability	20 g, 10 – 2000 Hz, sinus	EN 60068-2-6
Shock resistance	100 g	EN 60068-2-27