Keller U.S.-Built LevelRat Non-Fouling Lift Station Level Transmitters

DESCRIPTION
Specifically designed for extended service in sewage lift station environments, the LevelRat™ by Keller America features a wide sensing diaphragm yet small overall size. Unlike similar, competing models which feature a fragile Teflon®- coated rubber diaphragm, the LevelRat incorporates a monolithic diaphragm formed from Kynar®, which combines the non-stick quality of Teflon with superior toughness and abrasion resistance. Perfectly suited for pump control applications, the LevelRat is compatible with any standard 2-wire, 4-20 mA current loop. Keller America’s guaranteed lightning protection makes this transmitter ideal for installation in areas prone to chronic damage due to transients caused by lightning.

FEATURES
4...20mA models include guaranteed lightning protection at no additional cost.16-bit internal digital error correction
for cost-effective low Total Error Band (TEB). 316L SS housing construction. Non-fouling Kynar® diaphragm for superior resistance to puncture. 2-year warranty covers defects in materials and workmanship. Standard outputs simplify interface to
controls, data collection, and telemetry systems.
Built in the U.S.A. ARRA Section 1605 Compliant. Standard 3-day lead time at no additional charge.

SPECIFICATIONS
Available ranges
1,2
     Relative Infinite from 0..5 to 0...100ft W.C.
Accuracy, TEB3
Standard 1% FS TEB
Compensated Temp.
Range
-10...60°C
Output 4...20mA, 0...5VDC, 0...10VDC
Resolution 0.002% FS
Supply
     4...20 mA Output 11...28 VDC4
     0...5 VDC Output 8...28 VDC5
     0...10 VDC Output 13...28 VDC5
Load Resistance
     Current <(Supply-8V)/0.02A
     Voltage >4k ohm
Wetted Materials Standard 316L S.S.
Polyamide
Fluorocarbon
Kynar®
Environmental Protection IP68
Cable Polyethylene for general purpose
Hytrel for hydrocarbons
Tefzel for chemical interaction
Optional Accessories Drying Tube
Aneroid Bellows
1/2”NPT Conduit Fitting
Stabilizing Weight
Termination Enclosure
Cable Hanger
Digital Display / Process Controller
External Surge Protector
 

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