Model 940/941 with Tri-Clamp fitting

Model 940/941 with ANSI flange

∅ .875 (22)

∅ .875 (22)

∅ .875 (22)

Actuation length

for Tri-Clamp fitting

3.9 (99)

3/4" NPT

3/4" NPT

3/4" NPT

0.25 (6)

0.25 (6)

0.25 (6)

Actuation length

for NPT process

connection

4.13 (105)

Actuation length

for ANSI flange

3.9 (99)

M O D E L N U M B E R

S P E C I F I C A T I O N S

I n c h e s ( m m )

3

94

940

Low cost compact ultrasonic level switch with SPDT relay output

941

Low cost compact ultrasonic level switch with current shift output

1 to 100 inches (Example: 4 inches = 004)

3 to 250 centimeters (Example: 6 cm = 006)

Available ESP length = 1" (001)

1

FM/CSA Intrinsically Safe & Non-Incendive (Model 941 only)

7

FM/CSA Non-Incendive (Model 940 only)

E

English (inches)

M

Metric (centimeters)

BASIC MODEL NUMBER

AGENCY APPROVAL

PROCESS CONNECTIONS

ACTUATION UNITS

ACTUATION LENGTH

Models available for quick shipment, usually within one week after factory

receipt of a purchase order, through the Expedite Ship Plan (ESP)

Note: Optional NEMA 4 cast aluminum junction

box assembly 052-7012-XXX is available

from the factory.

* Minimum actuation length of 2 inches or 5 centimeters

11

22

1" BSP (G1)*

23

1" 150# ANSI RF flange*

33

1.5" 150# ANSI RF flange*

43

2" 150# ANSI RF flange*

3T

1"/1.5" Tri-Clamp 16 AMP fitting*

4T

2" Tri-Clamp 16 AMP fitting*