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Guided-Rod Float Level Transmitters

Guided-Rod Float Level Transmitters from KOBOLD provide accurate and reliable level measurement for a variety of liquids. They consist of a tube on which a float travels with an inserted magnet. The magnet remotely actuates the reed contacts inside the tube. The tube of the level transmitter contains an electric resistance chain and a reed contact chain. The float remotely actuates the contacts through the tube wall and a voltage proportional to the liquid level can be taken from the chain. This voltage sensing corresponds to the function of the slide of a resistance potentiometer.

KOBOLD's guided-rod float level transmitters are designed for easy installation and integration into existing systems. They offer real-time monitoring and control capabilities. Below, you will find a comprehensive list of our guided-rod float level transmitters, each engineered to meet the highest standards of quality and reliability.

MM
Reed Chain Float Level Sensor

Made in the USA | up to 236" | up to 435 PSIG | up to 260 °F | SS, PVC, PP, or PVDF | 3/8"...2" NPT or 1-1/2"...4" ANSI Flange | Constant Level Indication

Starting at $614
Max. Measuring Length
236" (6000 mm)
Max. Pressure
435 PSIG (30 bar)
Max. Temperature
266 °F (130 °C)
Available Wetted Materials
Stainless Steel, PVC, PP, PVDF
Fittings
⅜"...2" NPT, ANSI 1½"...4" Flange
    Simple and Reliable Design with Only One Moving Part
    Constant Level Indication Regardless of Conductivity, Pressure and Temperature
    Output Signal is Directly Proportional to the Liquid Level
    Made in the USA
NML
Float Level Transducer

Max Length of 96" | up to 800 PSIG | up to 250 °F | 316 SS or NBR Float | Resistive or 4-20mA, 2-wire

Starting at $447
Max. Measuring Length
96"
Float Material
316 SS or NBR
Max. Pressure
800 PSIG
Max. Media Temperature
250 °F (120 °C)
Resolution
± 0.25" (6.5 mm)
Electrical Protection
NEMA 4/IP65 or NEMA 4X/IP66
    Simple Reliable Design
    All Stainless Steel Wetted Materials Available
    Maximum Stem Lengths to 8 Feet
    Resistive or 4-20 mA, 2-Wire Analog Signal Output
    Operating Conditions up to 800 PSIG and 250 °F
NML-308
Liquid Level Transducer

Max Length of 48" | up to 25 PSIG | up to 250 °F | All-Plastic Wetted Parts | Undisturbed by Foaming and Vapor | Liquid Interface Detection

Starting at $1,306
Measuring Length
6"...48"
Resolution
± 0.25 in.
Fittings
1...1/4" or 1...1/2" NPT
Fitting Material
PE, PP, PVC or PTFE
Max. Operating Temperature
140...250 °F (120 °C) (Material Dependent)
Max. Pressure
25 PSIG
Protection
NEMA 4X/IP65
Input Voltage
12–32 VDC
Output
4–20mA 2-wire, 0–5 VDC 3-wire, 0–10 VDC 3-wire
    All Plastic Wetted Parts
    All PTFE Wetted Parts Available
    Excellent for Use with Aggressive Chemicals
    Continuous Level Measurement
    Analog Output via Remote Mount Transmitter
    Compact Design
    Undisturbed by Foaming
    Vapor Insensitive
    Liquid Interface Detection
NML-310
Liquid Level Transducer

Max Length of 108" | up to 40 PSIG | up to 250 °F | PE, PP, PVC, or PTFE | All-Plastic Wetted Parts | Undisturbed by Foaming and Vapors

Starting at $1,540
Measuring Length
12...108"
Resolution
± 0.4"
Fittings
2" NPT Male or 2", 2.5", 3", 4" ANSI Flange
Fitting Material
PE, PP, PVC or PTFE
Max. Operating Temperature
140...250 °F (120 °C) (Material Dependent)
Max. Pressure
40 PSIG
Protection
NEMA 4X/IP65
Input Voltage
12–32 VDC
Output
4–20mA 2-wire, 0–5 VDC 3-wire, 0–10 VDC 3-wire
    All Plastic Wetted Parts
    All PTFE Wetted Parts Available
    Excellent for Use with Aggressive Chemicals
    Continuous Level Measurement
    Analog Output via Head-Mounted Transmitter
    Compact Design
    Undisturbed by Foaming
    Vapor Insensitive
NMT
Magnetostrictive Level Meter

Max Length of 157" | up to 145 PSIG | up to 158 °F | Stainless Steel | 2" NPT | 4-20 mA | Resistant to Machine Vibration

Starting at $1,733
Measuring Length
12...157 Inches
Fittings
2" NPT or G2
Wetted Material
Stainless Steel
Max. Pressure
145 PSIG
Media Temp. Range
-4...158 °F (70 °C)
Accuracy
± 0.04" (± 1 mm)
Output
4-20 mA
    High Accuracy
    Stainless Steel Wetted Materials
    4-20 mA Analog Output
    Long Service Life
    Resistant to Machine Vibration
    Sample Applications: Chemical Industry, Pharmaceuticals, Tank Farms, Power Stations, and General Process Industries

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Discover KOBOLD USA's expertise in industrial instrumentation, offering advanced solutions for flow, pressure, level, and temperature measurement. Our products, synonymous with quality and precision, cater to a wide range of industries, backed by expert engineering and exceptional customer support.

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Choosing KOBOLD means opting for a partner who understands your needs and is equipped to help you tackle the challenges of modern industry. We are not just a supplier; we are a partner committed to contributing to your success.

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