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  3. Beck. The differential pressure transmitter for air

Beck. The differential pressure transmitter for air

Beck. The differential pressure transmitter for air

Beck. The differential pressure transmitter for air

Product catalog summary
General Description: The 984 series differential pressure transmitters are designed for measuring differential pressure, overpressure, and vacuum. They offer up to 8 pressure ranges and 2 output signals, which can be selected via jumper or rotary selector switch.
Applications: These transmitters are suitable for monitoring gaseous, non-combustible, and non-aggressive media. Common applications include building automation, air conditioning systems, clean rooms, laboratories, VAV applications, and dynamic filter and ventilator monitoring.
Configurable Features: The transmitters allow for configurable pressure ranges, output signals, and response times. The 984M and 984A series offer two pressure ranges, while the 984Q series provides eight. Output signals can be switched between 0-10V and 4-20mA. Response time can be adjusted to suppress brief pressure peaks or allow for faster response.
Calibration and Measurement: The 984M series allows manual offset calibration, while the 984A and 984Q series perform automated zero offset compensation. Volume flow measurement is possible by switching the output signal shape from linear to square root.
Optional Features: Optional features include a switching output for user-defined pressure levels and an LED display for pressure readings. These options are not available for the 2-wire version.
Technical Specifications: The transmitters use a piezoresistive pressure transducer and can be mounted in any position. They have a protection class of IP54 with a protection cap and conform to CE and RoHS standards. The devices operate within a temperature range of -20 to +70°C for the 984M and 984A series, and -10 to +50°C for the 984Q series.
Pressure Ranges and Models: Various models within the 984 series offer different pressure ranges, overload capacities, and bursting pressures. Additional pressure ranges are available upon request.
Accessories: A range of accessories is available, including metal and plastic mounting brackets, Climaset® kits with hoses and pipes, and duct connecting pipes.
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Catalog excerpts

Beck. The differential pressure transmitter for air-1

Beck. The differential pressure transmitter for air

 Open the catalog to page 1
Beck. The differential pressure transmitter for air-2

Differential pressure transmitter 984 General description The differential pressure transmitters of the 984 series are used to measure differential pressure, overpressure and vacuum. They provide up to 8 pressure ranges and 2 output signals, which are easily selectable by jumper or rotary selector switch. Applications Monitoring of gaseous, non-combustible and non-aggressive media. Possible usage areas are: • Building automation and air conditioning systems • Overpressure measurement in clean rooms and laboratories • Measurement of constant pressure in VAV applications • Dynamic filter and ventilator...

 Open the catalog to page 2
Beck. The differential pressure transmitter for air-3

Overview on technical data Series Electrical connection Measuring method Supply voltage Output signal selectable Output signal 0 ... 10 V Output signal 4 ... 20 mA Output signal 0 ... 5 V Output signal 0 ... 20 mA LED display, red, 4 digits Switching output for max 30 VDC / 100 mA Output signal selection from linear to square root Max. current draw without display VDC / VAC Max. current draw with display VDC / VAC Load for 4 ... 20 mA output Load for 0 ... 10 V output Pressure medium Configuration of pressure range Max. number of pressure range Only one customized pressure range Manuel offset...

 Open the catalog to page 3
Beck. The differential pressure transmitter for air-4

Pressure ranges Model Range 1 Range 2 Overload Bursting capacity pressure Additional uncertainty with temperature [% FS/10K] ± 1.0 ± 0.7 ± 0.7 ± 0.5 ± 0.3 ± 0.3 ± 0.3 ± 0.3 ± 0.3 Further pressure ranges on request. Order matrix IP protection class Configurable pressure range IP 54 with cable conduit M20x1.5 IP 54 with cap nut conduit AF20 Pressure unit Output signal and 0 ... 10 V or 4 ... 20 mA, 3-wire, with switching output supply voltage 0 ... 10 V or 4 ... 20 mA, 3-wire, without switching output 4 ... 20 mA or 0 ... 10 V, 3-wire, with switching output 4 ... 20 mA or 0 ... 10 V, 3-wire, without...

 Open the catalog to page 4
Beck. The differential pressure transmitter for air-5

Pressure ranges Bursting pressure Overload capacity Additional uncertainty with temperature [% FS/10K] ± 0.7 ± 0.5 ± 0.3 ± 0.7 ± 0.5 ± 0.3 n.r. n.r. n.r. n.r. n.r. Weitere Druckmessbereiche auf Anfrage. Order matrix IP protection class Configurable pressure range IP 54 with cable conduit M20x1.5 IP 54 with cap nut conduit AF20 Pressure unit Output signal and 0 ... 10 V or 4 ... 20 mA, 3-wire, with switching output supply voltage 0 ... 10 V or 4 ... 20 mA, 3-wire, without switching output 4 ... 20 mA or 0 ... 10 V, 3-wire, with switching output 4 ... 20 mA or 0 ... 10 V, 3-wire, without switching...

 Open the catalog to page 5
Beck. The differential pressure transmitter for air-6

Pressure ranges Model Position Pressure range fixed output signal 0 V / 4 mA fixed output signal 10 V / 20 mA Overload Bursting capacity pressure Additional uncertainty with temperature [% FS/10K] ± 0.7 ± 0.3 n.r. n.r. ± 0.7 ± 0.5 n.r. n.r. 0 fixed output signal 0 V / 4 mA 9 fixed output signal 10 V / 20 mA Further pressure ranges on request. Bestellmatrix IP protection class Configurable pressure range Pressure unit Output signal and supply voltage IP 54 with cable conduit M20x1.5 IP 54 with cap nut conduit AF20 see pressure ranges max. 1000 Pa (10 mbar) max. 2500 Pa (25 mbar) mbar Display Electrical...

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Beck. The differential pressure transmitter for air-7

Dimensional Drawings Duct connection for Climaset® 6550/6556 Duct connection for Climaset® 6555/6557

 Open the catalog to page 7
Beck. The differential pressure transmitter for air-8

Analog output signal Linear (Jumper 3 plugged in) Square root (Jumper 3 open) Technical data subject to change without prior notice. Accessories Metal mounting bracket S-shaped Metal mounting bracket L-shaped Snap-on plastic bracket S-shaped Snap-on plastic bracket L-shaped Climaset® consisting of 2m PVC hose and 2 plastic pipes Climaset® consisting of 2m Silicone hose and 2 plastic pipes Climaset® consisting of 2m PVC hose and 2 angled metal pipes Climaset® consisting of 2m Silicone hose and 2 angled metal pipes Duct connecting pipe for Climaset® 6555 Angled metal pipe for Climaset® 6550 Rubber...

 Open the catalog to page 8
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.
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