insert_drive_file Product Specifications

Description

The vertically-mounted TR420 Continuous Output Level Transmitter is equipped with an integral signal conditioner and provides a reliable 4-20 mA, 0-5 VDC or 1-5 VDC proportional electronic output in tank levels up to 12 feet. It can be used to input programmable controllers, meters and other digital receivers for accurate and continuous measurement in many liquid level applications. Float materials are available in stainless steel, polypropylene or buna with a selection of mounting types. The variety of float styles and densities afford the best and most direct means for continually monitoring surface interfaces of dissimilar liquids within a single tank. Additional options include high level and low level alarms as well as mounting materials in brass or 316 stainless steel.

Principles of Operation

As the float travels with the fluid level within the tank, the float's internal magnets actuate a series of reed switches and resistors along the stem. The signal is electronically conditioned through the built-in transmitter board to provide a proportional current output. LEARN MORE ABOUT FLOAT LEVEL TRANSMITTERS >

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Features

• Two-Part Assembly: Junction Box & Sensing Probe
• Two-Wire Output
• Interchangeable Solid-State Electronics
• Watertight NEMA 4 (IP65) Enclosure
• Probe Lengths Up to 12 Feet
• Optional Weighted Float for Oil/Water Interface

Electrical

Response Time:	< 1 Second
Linearity:	± 0.50%
Power Consumption:	1 VA

Applications

	Food & Beverage Processing
	Medical
	Fuel Storage
	Underground Storage Tanks
	Pharmaceutical
	Chillers
	Cooling Towers
	HVAC
	Semiconductor Processing

Specifications

SERIES	STEM/FLOAT	TEMPERATURE	PRESSURE	INPUTS	OUTPUTS	RESOLUTION
TR420	Brass/Polypropylene	-40º to +160º F (-40º to +71.1º C)	50 PSIG (3.4 bar)	12 VDC or 24 VDC	4-20 mA, 0-5 VDC or 1-5 VDC	¼" or ½"
TR420	Brass/Buna-N	-40º to +180º F (-40º to +82.2º C)	150 PSIG (10.3 bar)	12 VDC or 24 VDC	4-20 mA, 0-5 VDC or 1-5 VDC	¼" or ½"
TR420	Brass/316 Stainless Steel	-40º to +300º F (-40º to +148.9º C)	750 PSIG (51.7 bar)	12 VDC or 24 VDC	4-20 mA, 0-5 VDC or 1-5 VDC	¼" or ½"
TR420	316 Stainless Steel/Polypropylene	-40º to +160º F (-40º to +71.1º C)	50 PSIG (3.4 bar)	12 VDC or 24 VDC	4-20 mA, 0-5 VDC or 1-5 VDC	¼" or ½"
TR420	316 Stainless Steel/Buna-N	-40º to +180º F (-40º to +82.2º C)	150 PSIG (10.3 bar)	12 VDC or 24 VDC	4-20 mA, 0-5 VDC or 1-5 VDC	¼" or ½"
TR420	316 Stainless Steel	-40º to +300º F (-40º to +148.9º C)	750 PSIG (51.7 bar)	12 VDC or 24 VDC	4-20 mA, 0-5 VDC or 1-5 VDC	¼" or ½"

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