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2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
2.10
2.11
2.12
2.13
2.14
2.15
2.16
DW*
DW*-SL
DSA*
FICO*A
DPD*
DCR*2D
DFC-1*D
DFC-2*D
DPM-2*D
DPM-2*D-ALU
DPM-2*D-ALU-EX
DPO*D
DSR*D
DSR-4*
DSR-4*ALU-EX
DEX-Q*D-ALU-EX
     
 
Differential Pressure Switches

We produce Differential Pressure Switches for measuring differential pressure and relative pressure (positive or negative pressure) in gas or liquid area. Our sensors and devices are designed for a long-standing, reliably continuous use. They are robust and at once sensitive e.g. dimensioned for measurements of low mbar (pressure) and also for high ranges
up to 10 bar (pressure) available.
Typical applications are measurements in mobile and stationary filters as well as exhaust systems, conveyor systems, climate systems, ventilation and filter systems, clean room technology and further industrial applications.
Please take the detailed functions from the following product descriptions as well as from the PDF-datasheets.

 
p SWITCH TYPE: DW*
2.1
Differential pressure, relative pressure (positive or negative pressure)  
 

- 0,2 - 2 mbar Range
- 0,5 - 5 mbar Range
- 2 - 10 mbar Range
- 5 - 25 mbar Range
- 10 - 40 mbar Range
- Switching point adjustable. Changeover contact
- Ambient temperature -20°C up to +60°C

 
p SWITCH TYPE: DW*-SL
2.2
Differential pressure, relative pressure (positive or negative pressure)  
 

- 0,2 - 2 mbar Range
- 0,5 - 5 mbar Range
- 2 - 10 mbar Range
- 5 - 25 mbar Range
- 10 - 40 mbar Range
- Switching point adjustable. Changeover contact
- LED, red light signal
- Ambient temperature -20°C up to +60°C

 
p - SENSOR - ALARM TYPE: DSA*
2.3
Differential pressure, relative pressure (positive or negative pressure)  
  - 6 different pressure ranges between 0 - 2 mbar up to 0 - 1400 mbar available
- Switching point with relay contact for a long service life
- LED signal
- Extreme range of ambient temperature: -20°C up to +60°C, -4°F up to +140°F
- Safe functioning in the case of extreme mains fluctuations
 
Differential Pressure Switches
 
p - FILTER - CONTROL TYPE: FICO*A
2.4
Differential pressure, relative pressure (positive or negative pressure)  

  - 2 different pressure ranges between 0 - 25 mbar up to 0 - 40 mbar available
- Switching point of max. permissible value. Changeover contact
- Extreme range of ambient temperature -20°C up to +60°C
 
p-FILTER-CONTROL Type: DPD*
2.5

Differential pressure, relative pressure (positive or negative pressure),
programmable p measuring range

 

 

- Pressure ranges: 0 - 0,4 mbar to 0 - 10 bar
- Universal electrical connection for 230-240 VAC and 110-120 VAC and 24 VDC
- Robust, practical proven pressure sensor as used in device Typ DFC*,
- insensitive to wet media
- Pressure sensor highly overloadable and temperature compensated with manual
- zero-point calibration
- Pressure connection protected (manufactured in series) with replaceable filters
- FT-P-X-CE and connected police-filter in addition, as used in device DFC* for
- measurement applications in a dusty environment.
- 9 device groups with user-programmable p measuring range within the measuring
- span of one group:
- Group 1: 0 - 0,4 mbar to 0 - 2 mbar
- Group 2: 0 - 1 mbar to 0 - 5 mbar
- Group 3: 0 - 2 mbar to 0 - 10 mbar
- Group 4: 0 - 10 mbar to 0 - 50 mbar
- Group 5: 0 - 20 mbar to 0 - 100 mbar
- Group 6: 0 - 100 mbar to 0 - 500 mbar
- Group 7: 0 - 200 mbar to 0 - 1000 mbar
- Group 8: 0 - 1 bar to 0 - 5 bar
- Group 9: 0 - 2 bar to 0 - 10 bar
- Short circuit protected analogue output 0-20 mA, 4-20 mA, 0-10 V and
- 2-10 V programmable
- Programmable p damping: Approx. 1 s to 240 s
- Relay output 1, limiting value contact, Alarm max, programmable
- Relay output 2, limiting value contact, Alarm min., programmable
- relay outputs with switch-over contacts, gilded, potential-free, fale safe,
- switchable for manual tests
- Extreme ambient temperature range -20°C to +60°C
- Housing protection type IP 65
- Universal device for the lowest need for storage space, with meaningful functions
- required in practice

 
p - CLEAN - ROOM - CONTROL TYP: DCR*2-D
2.6
Differential pressure, relative pressure (positive or negative pressure)  

 

- Pressure sensor highly overloadable and temperature compensated with automatic
- zero-point calibration, zero point stability of 0 % FS/year
- 4 device groups with user-programmable p measuring range within the measuring
- span of one group:
- Group 1: -25 Pa to 25 Pa
- Group 2: -50 Pa to 50 Pa
- Group 3: -100 Pa to 100 Pa
- Group 4: -200 Pa to 200 Pa
- Short circuit protected analogue output 0-10 V or 0-20 mA or 4-20 mA are deliverable
- Programmable p damping: Approx. 1 s to 240 s
- Clean-Room-Lights: red, yellow, green to detect the pressure in the clean room
- ondition quickly visually, option piezo buzzer
- OPTION: Relay output 1, as two-point regulator or limiting value contact,
- e.g. alarm, programmable
- OPTION: Relay output 2, as two-point regulator or limiting value contact,
- e.g. alarm, programmable
- OPTION: Relay output 3, as two-point regulator or limiting value contact,
- e.g. alarm, programmable
- All relay outputs with switch-over contacts, potential-free, switchable for manual tests
- Extreme ambient temperature range -20°C to +60°C
- Housing protection type IP 65. Housing also for Ex areas according to ATEX available

 
p - FILTER - CONTROL TYPE: DFC-1*D
2.7
Differential pressure, relative presssure (positive or negative pressure)  

  - 20 different pressure ranges between 0 - 10 mbar up to 0 - 900 mbar available
- Pressure sensor overload-safe
- and temperature compensated
- Adjustable p-damping: 1s, 10s, 20s, 30s
- Two switching points (min + max) acting on one relay output, fail safe
- Extreme range of ambient temperature: -20°C up to +60°C, - 4°F up to +140°F
- Case with Ex-protection, ATEX conform
 
Differential Pressure Switches
 
p - FILTER - CONTROL TYPE: DFC-2*D
2.8
Differential pressure, relative pressure (positive or negative pressure)  

  - 50 different pressure ranges between 0 - 0,5 mbar up to 0 - 7 bar available
- Pressure sensor overload-safe
- and temperature compensated
- Adjustable p-damping: 1s, 10s, 20s, 30s
- Two switching points (min + max) acting on one relay output, fail safe
- Extreme range of ambient temperature: -20°C up to +60°C, - 4°F up to +140°F
- Option: Piezo buzzer
- Option: Analogue output: 0-20 mA and 4-20 mA
- Case with Ex-protection available, ATEX conform
 
p - MANOMETER TYPE: DPM-2*D
2.9
Differential pressure, relative pressure (positive or negative pressure)  

  - 50 different pressure ranges between 0 - 0,5 mbar up to 0 - 7 bar available
- Pressure sensor overload-safe and temperature compensated
- Adjustable p-damping: 1s - 30s
- Two switching points (min + max) acting on one relay output, fail safe
- Extreme range of ambient temperature: -20°C up to +60°C, - 4°F up to +140°F
- Option: Piezo buzzer
- Option: Analogue output: 0-10 V, 0-20 mA, 4-20 mA
 
p - MANOMETER TYPE: DPM-2*D-ALU
2.10
Differential pressure, relative pressure (positive or negative pressure)  

  - 50 different pressure ranges between 0 - 0,5 mbar up to 0 - 10 bar available
- Pressure sensor overload-safe and temperature compensated
- Static balanced pressure on two sides up to 16 bar
- Adjustable p-damping: 1s - 30s
- Two switching points (min + max) acting on one relay output, fail safe
- Extreme range of ambient temperature: -20°C up to +60°C, - 4°F up to +140°F
- Option: Analogue output: 0-20 mA and 4-20 mA
- Case with Ex-protection
 
Differential Pressure Switches
 
p - MANOMETER TYPE: DPM-2*D-ALU-Ex
2.11
Differential pressure, relative pressure (positve or negative pressure) for use in Ex-Zones 21 or 22  
  - 50 different pressure ranges between 0 - 0,5 mbar up to 0 - 10 bar available
- Pressure media: Dusty air with an inflame energy 10 mJ
- Static balanced pressure on two sides up to 16 bar
- Adjustable p-damping 1 s, 10 s, 20 s, 30 s
- Range of ambient temperature: -20°C up to +40°C, ATEX conform
- Two switching points (min + max) acting on one relay output, fail safe
- Option: Analogue output: 0-20 mA and 4-20 mA
- Aluminium case with Ex-protection for use in Ex-Zone 21 or 22, ATEX conform
 
p - MANOMETER TYP: DPO*D
2.12
Differential pressure, relative pressure (positive or negative pressure)  

  - 9 different pressure ranges between 0 - 100 mbar up to 0 - 16 bar available
- Pressure sensor overload-safe and temperature compensated
- Pressure sensor usable for liquid medias and gases
- Static balanced pressure on two sides up to 30 bar
- Adjustable p-damping
- Range of ambient temperature: -10°C up to +60°C
- Range of media temperature: +4°C up to +80°C
- Two switching points acting on two relay outputs
- Analogue output: 0-10 V, 0-20 mA or 4-20 mA
- Case, protection class IP 65
 
p - SENSOR - SWITCH - RELAY TYP: DSR*D
2.13
Differential pressure, relative pressure (positive or negative pressure)  
  - 50 different pressure ranges between 0 - 0,5 mbar up to 0 - 10 bar available
- Pressure sensor overload-safe and temperature compensated
- Adjustable p-damping 1s - 30s
- Two switching points acting on one relay output, fail safe
- Extreme range of ambient temperature - 20°C up to +60°C
- Option: Piezo buzzer
- Option: Analogue output 0-10 V, 0-20 mA, 4-20 mA
- Housings with Ex-protection available, ATEX conform
 
Differential Pressure Switches
 
p - SENSOR - SWITCH - RELAY Type: DSR-4*
2.14
Differential pressure, relative pressure (positive or negative pressure), 4 changeable p ranges  
  - 40 different pressure ranges between 0 - 0,5 mbar up to 0 - 7 bar available
- Pressure sensor overload-safe and temperature compensated
- Up to 4 selectable p-measuring ranges of one group:
- Group 1: 0 - 0,5 mbar up to 0 - 2 mbar
- Group 2: 0 - 2 mbar up to bis 0 - 10 mbar
- Group 3: 0 - 20 mbar up to 0 - 100 mbar e.g.: 20, 30, 60, 80 mbar
- Group 4: 0 - 200 mbar up to 0 - 1000 mbar
- Group 5: 0 - 1000 mbar up to 0 - 7000 mbar
- adjustable p-damping 1 s, 10 s, 20 s, 30 s
- 2 adjustable p-setpoints: p-ALARM MAX, p-ALARM MIN
- Two relay outputs ALARM MAX, ALARM MIN
- All relays with change over contacts, potential-free
- Analogue output 0-10 V or 0-20 mA or 4-20 mA, short circuit-safe
- Extreme range of ambient temperature -20°C bis +60°C
- Case protection class IP 65
- Case for EX-Zones available, ATEX conform
- Option: 2x M12 plug for the electrial connection
 
p - SENSOR - SWITCH - RELAY Type: DSR-4* ALU Ex
2.15
Differential pressure, relative pressure (positive or negative pressure), 4 changeable p ranges  
  - 40 different pressure ranges between 0 - 0,5 mbar up to 0 - 7 bar available
- Pressure sensor overload-safe and temperature compensated
- Up to 4 selectable p-measuring ranges of one group:
- Group 1: 0 - 0,5 mbar bis 0 - 2 mbar
- Group 2: 0 - 2 mbar up to 0 - 10 mbar
- Group 3: 0 - 20 mbar up to 0 - 100 mbar e.g.: 20, 30, 60, 80 mbar
- Group 4: 0 - 200 mbar up to 0 - 1000 mbar
- Group 5: 0 - 1000 mbar up to 0 - 7000 mbar
- adjustable p-damping 1 s, 10 s, 20 s, 30 s
- 2 adjustable p-setpoints: p-ALARM MAX, p-ALARM MIN
- Two relay outputs ALARM MAX, ALARM MIN
- All relays with change over contacts, potential-free
- Analogue output 0-10 V or 0-20 mA or 4-20 mA, short circuit-safe
- Robust aluminium housing for use in Ex areas, ATEX conform

 
p - EX - SENSOR - SWITCH Typ: DEX-Q*D-ALU Ex
2.16
Differential pressure, relative pressure (positive or negative pressure) alteration  

 

- Device for measuring explosion shock wave
- Pressure sensor overload-safe and temperature compensated and
- manual zero point calibration
- Peak-Detection of pressure signal and storing for automatic optimisation
- of the set points
- Universal power voltage input: 230-240 VAC and 110-120 VAC and 24 VDC
- p-Damping, programmable: 10 ms up to 999 ms
- Programmable p set points
- 4 relay outputs with change over contacts, potential free, fail safe,
- for test: manual switching mode possible
- Programmable minimum signal period from 3 s - 999 s also pulse and interval
- Analogue outputs 0-5 V, 0-10 V, 2-10 V, 0-20 mA, 4-20 mA programmable,
- also inverse e.g. 20-4 mA, centrical zeropoint
- Aluminumhousing protection class IP 65 for use in Ex-Zone 21 resp. 22,
- ATEX conform

 
MIKRO-MESS-GMBH • Am Südende 15 - Steinwedel • D-31275 Lehrte • Phone: +49 51 36 / 880 990 8 • Fax: +49 51 36 / 880 990 0