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Echotel ® Model 350/351 Installation and Operating Manual Ultrasonic Non-Contact Level Transmitter...
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Incorporated. All rights reserved. Notes Notes contain information that augments or clarifies Magnetrol/STI reserves the right to make changes to the an operating step. Notes do not normally contain product described in this manual at any time without actions. They follow the procedural steps to which notice.
Installation Caution: Please read the entire installation section carefully prior to starting installation. Unpacking Unpack the instrument carefully. Make sure all compo- nents have been removed from the packing material. Inspect all components for damage. Report any concealed damage to the carrier within 24 hours. Check the contents of the packing slip and report any discrepancies to the factory.
1.2.2 General Unit Mounting Requirements 1. Make sure that there are no obstructions between the face of the sensor and the liquid level. Ultrasonic energy radi- ates from the sensor face in a cone-shaped beam of approx- imately 12° width (diameter). Any object within the sig- 2"...
(3M #4441 Gella Re-enterable Encapsulating Compound or equivalent). Electrostatic Discharge (ESD) Handling Procedure Magnetrol’s electronic instruments are manufactured to the highest quality standards. These instruments utilize electronic components which may be damaged by static electricity present in most work environments. The follow-...
Wiring 1.4.1 Power Wiring NOTE: Before connecting the power line to the transmitter, be sure Power AC Hot that the voltage identification on the nameplate matches the AC Neutral power supply. DO NOT attempt to operate this unit at volt- Green ages other than as identified as it will damage the unit.
Upon power up, the LED will display the following message: followed by a series of walking MAGNETROL INT’L dots as follows: , or one of the chosen displays..NOTE: The 350/351 is able to display a choice of four display modes.
– Used to scroll down through DOWN/LOWER menu selections or lower numeric values. Holding down for a few seconds will increase the rate of change. – Used to select displayed value and to ENTER continue to next menu selection. Main Menu Layout PRESS ENT TO BEGIN UNIT FEET...
Refer to Section 2.5, Special Menus on page 12. Upon power up, the unit will display the normal operating message followed by the walking dots as follows: MAGNETROL INT’L..STEP 1 To enter into the menu, press the key.
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STEP 2 (4 mA) – Range is the distance from RANGE (RNGE) the face or the bottom of the transducer to the farthest point to be measured. The maximum range for the Model 350/351 is approximately 25 feet (7.6 m). With displayed, press to continue.
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NOTE: There is no time limitation in this selection. If OVER or UNDR flashes, an illegal parameter has been selected. Review range values and re-enter the correct value. Press once again to accept this value and to exit SPAN. Press the key to pro- ceed to STEP 4 –...
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PROCEDURES to check previous settings before leaving the main menu. Returning to the normal operating mode is accomplished by pressing will then be displayed, or the previous MAGNETROL INT’L..chosen display ( , or ) as described in DIST, LEVL LOOP Section 2.5, Special Menus on page 12.
Mode of Operation 2.4.1 Height or Distance Selection The Model 350/351 allows the user to choose the MODE ) or ). This of Operation HEIGHT DISTANCE DIST choice is made in a special menu which is accessed SET-UP by pressing the button three times from the normal run condition.
In the Mode, when the liquid level is at the DISTANCE bottom of the tank, defined by the setting, the RANGE loop output current is 20 mA. When the liquid is at the top of the tank, as defined by the set point, mea- SPAN sured from the sensor face, the output is 4 mA.
44. Use the MAXG arrow to change limit. Press to save maximum gain value and exit MAXG IDLE – MAGNETROL INT’L … Displays distance in run condition DIST – Displays tank level in run condition LEVL – Displays mA current value LOOP –...
NOTE: These values are read only parameters and cannot be changed by the operator. They are for reference use only, how- ever, in the event of a question or problem with the 350/351, an authorized representative or service technician will request the values displayed in this menu.
Agency Approvals AGENCY MODEL APPROVED APPROVAL CATEGORY APPROVAL CLASSES 351-60XX-000 or 351-R0XX-000 with Non-hazardous NEMA 4X environments 395-XXXX-0XX 350-60XX-05X or Non-hazardous NEMA 4X environments 350-80XX-05X Class I, Div. 1; Groups C & D 350-80XX-05E Explosion Proof Class II, Div. 1; Groups E, F & G 350-80XX-05F Class III, NEMA 4X, T6 Class I, Div.
Specifications 3.5.1 Electronic Supply voltage 120 VAC or 240 VAC, 50–60 Hz Power consumption 5 watts maximum Output (Controller) Two (2) SPDT 120/240 VAC relays, adjustable differential, 10 A resistive Output (Transmitter) 4–20 mA isolated, maximum 1000 ohm loop resistance Fail-safe (Controller) User selectable;...
3.5.4 Model 350 Dimensional inches (mm) Housing Legend A. NEMA 4X Rotation A 3.25 (83) B. NEMA 4X/7/9 Clearance B 3.00 (76) A 4.69 (119) B 4.62 (117) 3/4" MNPT (P/N 36-3813-002) 2" FNPT (P/N 36-3813-001) A 6.75 (200) B 5.50 (218) 3/4"...
Replacement Parts 3.6.1 Parts Identification 351 Remote Description 350 Integral Transmitter Sensor NEMA 4X 004-9160-002 Base NEMA 4X/7/9 004-9104-001 004-9153-001 004-9104-001 NEMA 4X Lexane 089-6596-001 Cover NEMA 4X Steel 089-6596-002 NEMA 4X/7/9 089-6597-001 089-6595-001 004-9149-001 NEMA 4X 012-1318-001 O-Ring NEMA 4X/7/9 012-2101-245 012-2101-253 012-2101-345...
3.7.4 Model 395 Remote Mounted Transducer BASIC MODEL NUMBER Remote mounted transducer TRANSDUCER MATERIAL AND PROCESS CONNECTION ➀ Kynar/CPVC with ⁄ " NPT Kynar/CPVC with 2" NPT ➀ Kynar with ⁄ " NPT 5K¡ Kynar with 2" NPT ➀ 316 Stainless Steel with "...