of pressure transmitters reduces costs.
With an investment
of £2.4 million, the well established series 21 pressure
transmitter from Keller has been developed into the series 21S
(stainless steel) and 21M (brass) and is now manufactured using
their new production line, capable of a throughput of more than
1000 units per hour.
This new approach
has resulted in physically smaller units (17 x 60mm), higher
volume production capability, and significant price reductions.
With OEM users
in mind, the new series 21S and 21M has evolved into an attractive
range of pressure transmitters with little sacrifice in performance,
but with fast reliable delivery of large quantity orders and
highly competitive pricing.
costs are £24 for a quantity of 1000, reducing to £10
for an order of 50,000.
The new investment
includes a continuous, belt-fed production line facility capable
of brazing 316 stainless steel or brass, together with automatic
sensor calibration and compensation, handling batches of up to
is now up to 50,000 units per week.
sensor is fitted with a miniature PCB made for Keller by AMI
(Advanced Microsystems Inc.) with chip-on-board amplifiers, regulator
and Keller 'ProgRes' ASIC compensation.
ranges are available from 0..5 to 0..200 bar sealed gauge with
a choice of output configurations:
(a). 4-20mA /
8-32 Vdc (2 wire)
Vdc / 5 Vdc (3 wire)
/ 10 Vdc (4 wire)
With a total
error band at 25ºC of 0.5% (21S) or 1.0% (21M). Pressure
port fitting is G1/4 male.
For more information,
Technology Centre, Dorchester DT2 8DH. UK
Tel: +44(0) 845 643 2855 Fax: +44(0) 845 643 2866
June 2000 - Ref:
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