Page 60 - Op_K_2025_absolute Links

Differential air pressure transmitter
Type Item no. ADG Euro / pc.

Differential pressure transmitter DDS-MR984xx
with manual zero point adjustment
Complete unit (without fastening angles)
for vertical installation, consisting of: Differential pressure monitor
and clima-set straight type 6555.
2 measuring ranges,
Output signal: switchable root extracting / linear
Output: 0 – 10 V or 4 – 20 mA adjustable
(3-wire) or 4 – 20 mA linear (2-wire)
with additional npn open collector
switching output
Dimensions: ø 85 x 58 mm (L x W),
protection class: IP 54
Voltage supply: 18 – 30 V AC, 16 – 32 V DC (3-wire) or
18 – 30 V DC (2-wire)
Uncertainty (total error disregarding long-time and
temperature influences): ±1% of full scale, min. ±1 Pa
Permiss. amb. cond.: -20 – 70 °C, 0 – 95 % RH
(non-condensing)
Data sheet no. 13251
without LED display DDS-MR984.5.….3.K.0 s. table 12 on requ.
with LED display DDS-MR984.5.….3.K.1 on 12 on requ.
… = Code for pressure request
range
see sample table
below

Type Item no. Measuring Measuring Overpress. Cracking
(Pressure range) range 1 range 2 safety pressure
DDS-MR984.5.X.3.K.0 100255 ± 50 Pa - 60 kPa 100 kPa
DDS-MR984.5.W.3.K.0 103434 ± 100 Pa - 60 kPa 100 kPa
DDS-MR984.5.M.3.K.0 103209 ± 150 Pa - 60 kPa 100 kPa
DDS-MR984.5.N.3.K.0 100265 ± 250 Pa - 60 kPa 100 kPa
DDS-MR984.5.S.3.K.0 100268 ± 1,000 Pa - 75 kPa 125 kPa
DDS-MR984.5.2.3.K.0 100249 0 – 100 Pa 0 – 250 Pa 60 kPa 100 kPa
DDS-MR984.5.3.3.K.0 100250 0 – 250 Pa 0 – 500 Pa 75 kPa 125 kPa
DDS-MR984.5.4.3.K.0 100251 0 – 500 Pa 0 – 1,000 Pa 75 kPa 125 kPa
DDS-MR984.5.5.3.K.0 100254 0 – 1 kPa 0 – 2,5 kPa 85 kPa 135 kPa
DDS-MR984.5.7.3.K.0 100256 0 – 5 kPa 0 – 10 kPa 135 kPa 275 kPa
DDS-MR984.5.9.3.K.0 100258 0 – 25 kPa 0 – 50 kPa 200 kPa 400 kPa
DDS-MR984.5.B.3.K.0 100247 0 – 100 kPa 0 – 250 kPa 400 kPa 800 kPa
DDS-MR984.5.….3.2.0 on request 2-wire 4 – 20 mA, no switching output, no display possible
All 3-wire versions also available with display.

Type designation

Type M 2 or 1 measuring range (depending on type), manual zero adjustment
Cable screw joint M16 A 2 measuring ranges, automatic zero adjustment
Measuring range,
see pressure range table Q 8 measuring ranges, automatic zero adjustment
Measuring unit Pa
K= Standard features: Output signal 0 – 10 V or 4 – 20 mA.
Output switchable lin. / rad. With npn-switching output.
2 = 2-wire 4 – 20 mA. Without switching output. Without display. lin. / rad. switchable.
Display 0 without display
1 with LED display
DDS-MR984.5._.3.K .1
DDS- AR984.5._.3.K .1
DDS- QR984.5.4.3.K .1

60 | Catalog 2025 | Sensors To our online catalog: www.oprg.de/en/support/download-center