KELLER-Pressure
Product Categories
KELLER - LevelRat Submersible Wastewater Pressure Transmitter
Features a Flush, PTFE-coated elastomeric diaphragm, all-titanium construction, accuracy: ±0.25% full scale (FS), intrinsically safe approval, and a 4 to 20 mA output.
Keller - Acculevel High Accuracy Submersible Level Transmitter
0.825" (21 mm) diameter, gauge or absolute pressure ranges, standard 0.1% FS static accuracy (optional 0.05%), built-in lightning protection, certified to NSF/ANSI 61 & 372 standards for drinking water, 316L SS or titanium, optional removable cable.
Keller - Econolevel OEM Submersible Level Transmitter
0.825" (21 mm) diameter, full-scale ranges from 11.5 to 231 feet of water gauge, total error band 0.1% FS (optional 0.5% FS), 316L SS.
KELLER - Levelgage General Purpose Submersible Level Transmitter
UL / cUL listed Class 1 Div 1 hazardous location approved, 0.825" (21 mm) diameter, standard 0.25% FS static accuracy (optional 0.1%), built-in lightning protection, certified to NSF/ANSI 61 & 372 standards for drinking water, available in 316L SS or titanium.
KELLER - Acculevel SDI High Accuracy Submersible Level Transmitter
0.825" (21 mm) diameter, gauge or absolute pressure ranges, standard ±0.05% FS TEB and USGS OSW accuracies available, built-in lightning protection, certified to NSF/ANSI 61 & 372 standards for drinking water, 316L SS or titanium, optional removable cable, RS485 modified-MODBUS and SDI-12 V1.3 protocol compatibility.
KELLER - Microlevel Microbore Submersible Level Transmitter
Best-in-class 0.63" diameter, excellent 0.1% FS static accuracy, 0.25% Total Error Band (TEB), built-in lightning protection, certified to NSF/ANSI 61 and 372 standards for drinking water applications, and available in 316L SS or Titanium.
Keller - Econoline General Purpose Pressure Transmitter
Features a Flush, PTFE-coated elastomeric diaphragm, all-titanium construction, accuracy: ±0.25% full scale (FS), intrinsically safe approval, and a 4 to 20 mA output.
Keller - Preciseline High Accuracy Dual Output Pressure Transmitter
Features a Flush, PTFE-coated elastomeric diaphragm, all-titanium construction, accuracy: ±0.25% full scale (FS), intrinsically safe approval, and a 4 to 20 mA output.
Keller - Preciseline SDI High Accuracy Digital Pressure Transmitter
Features a Flush, PTFE-coated elastomeric diaphragm, all-titanium construction, accuracy: ±0.25% full scale (FS), intrinsically safe approval, and a 4 to 20 mA output.
Keller - Valueline High Accuracy Pressure Transmitter
Standard Accuracy @25C = ±0.1% (0.25% Total Error Band (TEB) from -20 to +80C), with optional accuracy at 25C = ±0.05% FS (±0.1% TEB), UL/cUL IS-approved for hazardous locations - NSF/ANSI 61 &372 certified for drinking water
KELLER - Termination Enclosure
A NEMA 4X clear front enclosure (7.9 X 4.7 X 3.5 inches) with two liquid-tight cable fittings (one in, one out), a terminal strip, and provisions for mounting either a drying tube or bellows assembly, each sold separately.
KELLER - Bellows Assembly (900001.0009)
An alternative to the drying tube, this aneroid bellows requires no periodic maintenance.
KELLER - Cable Hanger (HU02216001)
Single eye mesh cord grip style cable hanger for use with KELLER Pressure’s 0.230 inch O.D. cables, including PE, Hytrel, and Tefzel.
KELLER - Drying Tube Assembly (900001.0002)
Drying tube assembly - for vented cable when required
KELLER - Pressure Test Adapters
These custom built assemblies are designed to facilitate calibration and maintenance testing. Versions are available to connect the Acculevel, Levelgage, LevelRat, and Microlevel to a pressure calibrator.
KELLER - Protective Spacer Assembly for LevelRat (900001.0100)
The protective spacer anchors the LevelRat in place while positioning the sensing diaphragm off the bottom to avoid false readings caused by sludge and debris.
KELLER - Zinc Anode / Stabilizing Weight (900001.0033)
Aids in corrosion resistance as well as helps ensure that the cable remains taut in turbulent conditions.
KELLER - External Surge Protector (1820-28-A3)
Recommended for lightning/surge protection of user’s power supply/readout/PLC, etc. To be used in conjunction with Levelgage, Acculevel, LevelRat, Microlevel, Valueline, or Preciseline transmitters.