Watson Smith - Controlling Pressure Worldwide
TYPE 100/101X
ELECTRO MECHANICAL CONVERTERS
CURRENT TO PRESSURE (I/P) AND
VOLTAGE TO PRESSURE (E/P)

FEATURES

 Reliable, rugged
 Proportional I/P and E/P converters
 Suitable for a wide range of applications
 IP65 environmental protection

GENERAL DESCRIPTION

The 100/101X series offers a range of reliable instruments and many thousands of units are installed worldwide each year. The units are uncomplicated by design, making use of electromagnetic force balance technology with flapper valve control and potentiometer adjustment.

Type 100/100X Electro Mechanical Converter

Functional Symbol

Technical Data
PNEUMATIC
*Output Signal See product selector
*Air Supply Oil free, dry air, filtered to 5 microns; at least 0.7bar above maximum required output pressure range
*Flow Capacity Up to 300Nl/min (10scfm)
*Air Consumption < 4bar: 0.85 l/min (0.03scfm) typical
> 4bar: 1.75 l/min (0.06scfm) typical
*Response Time (dependent on input and output pressure) < 2bar/30psig: less than 0.5 seconds for 10-90% step change
> 2bar/30psig: 2 seconds for 10-90% step change
*Total Error +/-0.5% of span (typical, independent error includes the combined effect of non-linearity, hysteresis, deadzone and repeatability)
*Temperature Effect Typically better than 0.1% span/°C for span and zero over operating range
*Supply Sensistivity Better than 0.025% span output change per % supply pressure change
*Connections 1/4" NPT standard (others available on request)
PHYSICAL
*Operating Temperature -20°C to +70°C
*IP Rating IP65 in normal operation
*Electromagnetic Compatibility This is a passive electromagnetic instrument and is unaffected by interfering high frequency signals
*Material of Construction Zinc diecasting passivated and epoxy paint, nitrile diaphragms, stainless steel/nylon flapper nozzle and supply valve
*Mass 1500g
*Mounting Position Integral surface mounting bracket provided for preferred vertical mounting. 50mm pipe mounting kit available
ELECTRICAL
*Electrical Signal See product selector
*Failure Mode Signal falls to bleed pressure when electrical supply fails
*Connections 30mm square connector DIN 43650 provided, mountable in four directions (alternative connections available)

PRODUCT SELECTOR
Output Pressure Input Signal Options to specific order:

Alternative input signal ranges
Alternative pressure ranges
Conduit entry with flying leads
Junction box
Intrinsically safe certification
50mm pipe mounting bracket
1/8" NPT pneumatic connections
Captured bleed/exhaust
Reverse acting
Split range

4-20mA 1-10V
0.2-1bar 53402100R 53442100R
0.2-2bar 5340049XR 5344013XR
0.2-4bar 5340064XR t.b.a
0.14-8bar (3 wire) 53572400R 53562400R
3-15psig 53400100R 53440100R
3-30psig 5340017XR 5344014XR
3-60psig 5340005XR 5344003XR
3-120psig (3 wire) 53570400R 53560400R
Standard models are 2 wire; 3 wire units require 12-24V supply

CERTIFICATION

An intrinsically safe 100X model certified to CENELEC EN50 020 (BS 5501 part 7) EEx ia llC T4 is available (Installation with these models must comply with information given in BS 5345, parts 1 and 4)
All instruments are tested on the Watson Smith Automatic Testing System and an individual test certificate is provided at no extra charge. Each unit is tested for linearity, hysteresis, total error, settling error, over pressure, air consumption, response time, calibration, insulation, start-up current, supply sensitivity and voltage load.

PDF

Type 100/101x Brochure


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