961-20A0-011 Datasheet, PDF (6/12 Pages) Magnetrol International, Inc. – Echotel® Model 961/962 Ultrasonic Level Switches

PERFORMANCE SPECIFICATIONS
Repeatability
Response Time
Time Delay
Self-Test
Automatic:
Manual:
Shock Class
Vibration Class
Humidity
Electromagnetic Compatibility
±0.078" (2 mm)
1_{⁄2 second typical}
Variable 0.5 – 45 seconds on rising and falling levels
Continuously verifies operation of electronics, transducer,
piezoelectric crystals, and electrical noise
Push button verifies operation of electronics, transducer,
and piezoelectric crystals
ANSI/ISA-S71.03 Class SA1
ANSI/ISA-S71.03 Class VC2
0 – 99%, non-condensing
Meets CE requirements EN 61326
PHYSICAL SPECIFICATIONS
Housing Material
Cable Entry
Gross Weight
961/962 Electronics:
2" (5 cm) Transducer:
Cast aluminum A356-T6, cast 316 stainless steel,
or deep drawn 304 stainless steel (hygienic housing)
Dual ³â„4" NPT, or M20 connections (one end is plugged)
2.2 lbs. (1.0 kg)
0.6 lbs. (0.3 kg)
DIMENSIONAL
INCHES (mm)
SPECIFICATIONS
5.24
(133)
4.00
(102)
4.00
(102)
5.75
(146)
4.43 (113)
4.43 (113)
1.05 (26)
Typical
1.8 (46) Typical
2.35 (60) Typical
Actuation length
for Tri-Clamp fitting
Actuation length
for NPT connection
Actuation length
for ANSI flange
0.25 (6)
∅ .875 (22)
Model 961
with Hygienic Housing
with Tri-Clamp^® 16-AMP Fitting
0.25 (6)
∅ .875 (22)
Model 961
with Cast Aluminum Housing
with NPT Connection
0.25 (6)
∅ .875 (22)
Model 961
with Cast Stainless Steel
Housing and ANSI Flange
6