Instrument

Model

Sensor

and

Material

Range

On-off

Differential

Max. Working

Pressure

Contact

Current

Rating

Enclosure

201

Bellows

Phosphor Bronze /

316LSS / Monel

(–)1 – 0 Bar

to

15 – 75 Bar

Fixed

1.5 times the

Range

5A / 15A

250V AC

Weatherproof /

Flameproof

203

Bellows

Phosphor Bronze /

316LSS / Monel

(–)1 – 0 Bar

to

15 – 75 Bar

Wideband

Adjustable

1.5 times the

Range

15A

250V AC

Weatherproof /

Flameproof

281

(Dual Setpoint)

Bellows

Phosphor Bronze /

316LSS / Monel

0.08 – 0.4 Bar

to

10 – 60 Bar

Independent

Hi & Lo Switching

with Fixed

Differential

1.5 times the

Range

5A / 15A

250V AC

Weatherproof /

Flameproof