Keller Series 21Y Pressure Transmitter


(GST 18% Exclusive)


Keller Series 21Y Pressure Transmitter has a high insulation voltage of 300 VDC and has no internal seal. It is extremely resistant to environmental influences. The sophisticated compensation circuit makes it possible to specify a narrow total error band.

Applications: General industrial and OEM applications.

SKU: N/A Category:

Keller Series 21Y Pressure Transmitter is outstanding to electromagnetic fields due to its extreme ruggedness. Series 21Y Transmitters are very immune to external voltages. Because of the high insulation voltage of Series 21Y Transmitter of about 300 V, which makes this product ideal for use in the harshest of environments.

Features of Keller Series 21Y Pressure Transmitter:

  • The Y-line transmitters have an extremely small temperature error.
  • 120 fields are available, representing a possible temperature range of 180 K.
  • Pressure range in systems with up to 1000 measuring stations.
  • The 21 Y product line is outstanding due to its extreme ruggedness towards electromagnetic fields.


Additional information

Weight 1 kg



Series 21Y

Pressure Range

0 to 10 Bar, 0 to 100 Bar, 0 to 1000 Bar, 0 to 160 Bar, 0 to 2 Bar, 0 to 20 Bar, 0 to 200 Bar, 0 to 250 Bar, 0 to 30 Bar, 0 to 400 Bar, 0 to 5 Bar, 0 to 60 Bar, 0 to 600 Bar


Linearity: ±0.25 %FS, Total Error Band: ±1.0 %FS

Storage Temperature

-40 to 100°C

Operating Temperature

-40 to 100 °C

Pressure connection

G1/4” male, G1/8” male, 7/16”-20 UNF male and female

Electrical Connection

– Plug: M12 (4-pole), Packard, MPM

Response Time (Supply ON)

(0 to 99 %) < 5 ms


> 10 MΩ at 300 VDC

Dead Volume Change

< 0.1 mm3

Material in Media Contact

Stainless Steel AISI 316L (1.4404/1.4435)


> 10 million cycles, 0 to 100 %FS at 25 °C

Oil Filling

Silicon Oil

Protection class

IP 67


50 Grams.

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