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Pressure Transmitters...

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The differential pressure switch has a synthetic spring suspended membrane which is linked to a changeover contact. When the differential pressure exceeds the setpoint value the contact changes. The differential pressure switch is used to supervise and monitor fans, filters and air handling units, to control defrosting functions etc.

Regin pressure and differential pressure transmitters use a ceramic measuring beam. The differential pressure affects a membrane taht works directly against the measuring beam with film resistor. When the resistance changes it is converted to a proportional output control signal.

• High degree of accuracy
• Few moving parts - rapid response
• Excellent long-term stability

The air velocity sensor operates with a specially designed thin-film element which is heat (the hot-film anemometer principle). The cooling rate of the element, which depends on the air velocity, is measured and transformed to an output signal proportional to the air speed.

• Stable output signal compensated for varying temperature
• Extremely high frequency response. Not sensitive to contamination by dust etc.

The flow switch operated by an electrical blade-type tripping device interrupts the electric control circuit of the boiler/chiller when there is insufficient water circulation in the boiler/chillerpipe owing to some abnormal condition.
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DIFFERENTIAL PRESSURE SWITCH DTV

Switch DTV

Media: Air and non-corrosive gases
Max. overload pressure: 5000 Pa
Relay contact data: 5A (0,8 A) 250 V AC
Ambient temperature: -20...+85°C
Protection class: IP54

DTV200: 20...300 Pa
DTV500: 50...500 Pa
DTV1000: 100...1000 Pa
DTV2000: 500...2000 Pa
DTV5000: 1000...5000 Pa
pressure transmitters dtv
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DIFFERENTIAL PRESSURE TRANSMITTER WITH DISPLAY FOR AIR DMD

Transmitter DMD

Supply voltage: 24 V AC or DC, 5 VA
Output: 0...10 V DC or 4...20mA, selectable
Working range: 0...100Pa, 0...300Pa,
0...500Pa, 0...1000Pa, selectable
Accuracy: +/- 1% at 20°C
Electronic damping: 0...20s
Display: LED, 3 digits
Protection class: IP54

DMD- transmitter with display
DMD-LON - transmitter with display and LonWorks
pressure transmitters dmd
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DIFFERENTIAL PRESSURE TRANSMITTER FOR AIR AND NON-CORROSIVE GASES DTL

Transmitter DTL

Supply voltage: 24 V AC (24 V DC, 2-wire for 4...20mA) 0,24 VA
Accuracy: +/-1% fs
Ambient temperature: 0...70°C
Protection class: IP65

DTL5/05: -50...+50 Pa; 0...10 V DC
DTL5/05-420: -50...+50 Pa; 4...20 mA
DTL1: 0...100 Pa; 0...10 V DC
DTL1-420: 0...100 Pa; 4...20 mA
DTL3: 0...300 Pa; 0...10 V DC
DTL3-420: 0...300 Pa; 4...20 mA
DTL5: 0...500 Pa; 0...10 V DC
DTL5-420: 0...500 Pa; 4...20 mA
DTL10: 0...1000 Pa; 0...10 V DC
DTL10-420: 0...1000 Pa; 4...20 mA
DTL16: 0...1600 Pa; 0...10 V DC
DTL16-420: 0...1600 Pa; 4...20 mA
DTL25: 0...2500 Pa; 0...10 V DC
DTL25-420: 0...2500 Pa; 4...20 mA
DTL50: 0...5000 Pa; 0...10 V DC
DTL50-420: 0...5000 Pa; 4...20 mA
pressure transmitters dtl
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DIFFERENTIAL PRESSURE TRANSMITTER FOR LIQUIDS AND NON-CORROSIVE GASES DTK

Transmitter DTK

Supply voltage: 24 V AC/18...33 V DC (output 0...10 V DC) 0,1 VA
11...33 V DC, 2-wire (output 4...20 mA) 0,5 VA
Output : 0...10 V DC ar 4...20 mA (2-wire)
Accuracy: +/-1,3% fs (DTK10...DTK250)
+/-0,8% fs (DTK400), +/-0,5% fs (DTK600...DTK2500)
Ambient temperature: -15...+80°C
Connection: Screw fitting for pipe Ø 6 mm included
Protection class: IP65

DTK10: 0...10 kPa; 0...10 V DC, 60 kPa
DTK10-420: 0...10 kPa; 4...20 mA, 60 kPa
DTK20: 0...20 kPa; 0...10 V DC, 120 kPa
DTK20-420: 0...20 kPa; 4...20 mA, 120 kPa
DTK40: 0...40 kPa; 0...10 V DC, 200 kPa
DTK40-420: 0...40 kPa; 4...20 mA, 200 kPa
DTK100: 0...100 kPa; 0...10 V DC, 500 kPa
DTK100-420: 0...100 kPa; 4...20 mA, 500 kPa
DTK250: 0...250 kPa; 0...10 V DC, 1200 kPa
DTK250-420: 0...250 kPa; 4...20 mA, 1200 kPa
DTK400: 0...400 kPa; 0...10 V DC, 1200 kPa
DTK400-420: 0...400 kPa; 4...20 mA, 1200 kPa
DTK600: 0...600 kPa; 0...10 V DC, 1200 kPa
DTK600-420: 0...600 kPa; 4...20 mA, 1200 kPa
DTK1000: 0...1000 kPa; 0...10 V DC, 2000 kPa
DTK1000-420: 0...1000 kPa; 4...20 mA, 2000 kPa
DTK1600: 0...1600 kPa; 0...10 V DC, 3200 kPa
DTK1600-420: 0...1600 kPa; 4...20 mA, 3200 kPa
DTK2500: 0...2500 kPa; 0...10 V DC, 5000 kPa
DTK2500-420: 0...2500 kPa; 4...20 mA, 5000 kPa
pressure transmitters dtk
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PRESSURE TRANSMITTER FOR LIQUIDS AND GASES  TTK

Transmitter TTK

Supply voltage: 24 V AC/18...33 V DC (output 0...10 V DC) 0,1 VA
11...33 V DC, 2-wire (output 4...20 mA) 0,5 VA
Output: 0...10 V DC or 4...20 mA (2-wire)
Accuracy: +/-0,3%
Ambient temperature: -15...+80°C
Connection: R1/4"
Protection class: IP65

TTK1: 0...100 kPa; 0...10 V DC
TTK1-420: 0...100 kPa; 4...20 mA
TTK2: 0...200 kPa; 0...10 V DC
TTK2-420: 0...200 kPa; 4...20 mA
TTK5: 0...500 kPa; 0...10 V DC
TTK5-420: 0...500 kPa; 4...20 mA
TTK10: 0...1000 kPa; 0...10 V DC
TTK10-420: 0...1000 kPa; 4...20 mA
TTK16: 0...1600 kPa; 0...10 V DC
TTK16-420: 0...1600 kPa; 4...20 mA
TTK25: 0...2500 kPa; 0...10 V DC
TTK25-420: 0...2500 kPa; 4...20 mA
TTK40: 0...4000 kPa; 0...10 V DC
TTK40-420: 0...4000 kPa; 4...20 mA
TTK100: 0...10 MPa; 0...10 V DC
TTK100-420: 0...10 MPa; 4...20 mA
pressure transmitters ttk
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AIR VELOCITY TRANSMITTER AVDT25

Transmitter AVDT25

Supply voltage: 24 V AC +/-20%, 4 VA
Working range: 0...10m/s, 0...15m/s, 0...20 m/s
Output: 0...10 V (Max. 1mA) 4...20mA
Time constant: 1,5 s at 10 m/s
Accuracy: +/- (0,3 m/s +3% of value), at 0...10 m/s
+/- (0,3 m/s +3% of value), at 10...15 m/s
+/- (0,3 m/s +4% of value), at 0...20 m/s
Damping: 0,2 or 2 s (optional)
Ambient temperature: -10...+50°C
Insertion length: 50...200 mm, adjustable
Mounting: Duct-mounting
Protection class: IP54
velocity transmitters avdt25
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FLOW SWITCH FLS304

Switch FLS304

Contact data: 6 (2) A, 250 V AC, change-over contact
Max . fluid pressure: 10 bar, tested to 15 bar
Max. fluid temperature: 110°C
Storage temperature: -20...+80°C
Protection class: IP64

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Ever Yours
NIT

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