® ultrasonic single and dual point level switches installation and operating manual echotel ® 961/962 l oop p owered model 961 model 962.
2 unpacking unpack the instrument carefully. Make sure all components have been removed from the foam protection. Inspect all components for damage. Report any concealed damage to the carrier within 24 hours. Check the contents of the car- ton/crates against the packing slip and report any discrep- ...
3 wiring user interface time delay fault test model 961 hi 22 lo 3.6 loop test 8 16 + – f a u l t standard shielded twisted pair cable (recommended but not needed when wired as per namur ne 21 for field strengths up to 10 v/m). Standard trip amplifier card shield to green grounding screw external gr...
4 set up and functions set up high – low level failsafe selection: ¿ in «hi» position, the current will shift to 12/16 ma (report alarm) when the transducer is wet. In «lo» position, the current will shift to 12/16 ma (report alarm) when the transducer is dry. In both positions, the current will sta...
5 maintenance manual testing loop test: (8 ma / 12ma / 16ma): pressing the “loop test” pushbutton, will manually test the loop and connected actuators/indicators. The loop test forces the output and corresponding led’s to shift from 8 ma to 12 ma (only 962) to 16 ma back to 8 ma. The time delay sett...
6 replacement parts replacing electronics/transducer replacement parts echotel electronics can be removed in the field under process conditions. Follow below steps to exchange electronics/trans- ducer: note: adjust set up of the replacing electronics following the settings of the old electronics (see...
7 model identification a complete measuring system consists of: 1. Echotel ® electronics 2. Echotel ® transducer 1. Code for echotel ® electronics 9 0 a 5 6 0 complete code for echotel ® electronics 0 integral mount electronics basic model number 9 6 1 echotel ® 961 electronics for single setpoint 9...
8 model identification 2. Code for echotel ® transducer 9 m complete code for echotel ® transducer actuation length – specify per cm (0.39") increment total insertion length = actuation length + 6 mm (0.25") 9m1 transducers 0 0 3 minimum 3 cm (1.2") – for metal transducers with npt connections only ...
9 dimensions in mm (inches) 102 (4) 6 (0.25) 46 (1.8) typical Ø 22,9 (0.90) actuation length for npt connection actuation length for bsp connection 113 (4.43) without window 123 (4.85) with window 102 (4) 6 (0.25) 60 (2.35) typical Ø 22,9 (0.90) actuation length 113 (4.43) without window 123 (4.85) ...
10 dimensions in mm (inches) cable entry 60 (2.36) 125 (4.92) 43° 52 (2.05) 58 (2.28) 109 (4.28) 43° view 29 (1.14) Ø 22,9 (0.90) actuation length tri-clamp ® 35 (1.38) Ø 22,9 (0.90) actuation length din 11851 46 (1.81) Ø 22,9 (0.90) 6 (0.25) 6 (0.25) 6 (0.25) actuation length varivent ® pressure / ...
11 specifications description specification input voltage 2 wire loop powered, 12 - 35 v dc power consumption output 961: 8 ma (safe), 16 ma (alarm) ± 1 ma 962: 8 ma (safe), 12 ma (lower gap alarm), 16 ma (upper gap alarm) ± 1 ma 961/962: ≤ 3,6 or ≥ 22 ma error signal time delay 0,5 to 10 s adjustab...
Important service policy owners of magnetrol products may request the return of a control; or, any part of a control for complete rebuilding or replacement. They will be rebuilt or replaced promptly. Magnetrol international will repair or replace the control, at no cost to the purchaser, (or owner) ...
