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€0-€49.99 (3)
€50-€199.99 (9)
€200-€499.99 (10)
€500-€999.99 (4)
€1,000-€9,999.99 (2)

In Stock

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Brand

Omega (16)
Dwyer (5)

Configurable

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Category

Float Switches (7)
Level Switches (7)
Paddle Level Switches (3)
Level Switches (3)
Side-Mount Level Switches (3)
Level Switches (3)

Float Switches (7)
Level Switches (7)
Paddle Level Switches (3)
Level Switches (3)
Side-Mount Level Switches (3)
Level Switches (3)
Conductivity Level Controllers (2)
Level Switches (2)
Tuning Fork Switches (2)
Level Switches (2)
Capacitance Level Switches (1)
Level Switches (1)
Level Switches (1)
Optical Level Switches (1)
Ultrasonic Level Switches (1)
Level Switches (1)
Ultrasonic Level Sensor (1)
Level Switches (1)

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Media Compatibility

Clean process / cooling water (17)
Oils / lubricants (17)
Organic solvents (16)
Dry bulk solids / powders (3)
Dry Powder (2)
Corrosive chemicals / acids / bases (2)

Clean process / cooling water (17)
Oils / lubricants (17)
Organic solvents (16)
Dry bulk solids / powders (3)
Dry Powder (2)
Corrosive chemicals / acids / bases (2)
Flour (2)
Water (1)
Non-Corrosive Dry Gases (1)
Conductive liquids (1)
Sand (1)
Grain (1)
Water-based fluids (1)
Clean dry air / inert gas (1)
Hydraulic fluids (1)
Solvents (1)
Liquids (1)
Oxygen (1)
Powders (1)
HVAC / room air (1)
Nitrogen (1)
Inert / non-reactive gases (1)
Oil (1)
Steam (1)
Saltwater / brines (1)
Fuel gases (1)
Compatible Liquids (1)

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Materials, Wetted

316 Stainless Steel (9)
Polypropylene (9)
PVDF (5)
PPS (4)
Aluminum (3)
CPVC (2)

316 Stainless Steel (9)
Polypropylene (9)
PVDF (5)
PPS (4)
Aluminum (3)
CPVC (2)
Brass (2)
Buna-N (NBR) (2)
Stainless Steel (2)
PTFE (2)
FKM (2)
PVC (2)
Nylon (1)
304 Stainless Steel (1)
Inconel (1)
Glass (1)
PFA (1)
ETFE (1)
EPDM (1)
Neoprene (1)
Phosphor Bronze (1)
Carbon Steel (1)
Hastelloy-C (1)
Ceramic (1)
Noryl (1)
Cork-Chloroprene (1)

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compliance

RoHS3 (18)
CE (16)

Switch Type

SPDT NO/NC (10)
Selectable (9)
SPST (8)
PNP (1)
SPDT Micro (1)
SPDT Snap (1)

SPDT NO/NC (10)
Selectable (9)
SPST (8)
PNP (1)
SPDT Micro (1)
SPDT Snap (1)
NPN (1)

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Enclosure Ratings

NEMA Type 6 (8)
IP66 (7)
IP68 (7)
NEMA Type 4 (6)
IP65 (1)
NEMA Type 4X (1)

Material Construction Option

Polypropylene (5)
PVDF (4)
CPVC (2)
316 Stainless Steel (2)
General Purpose (1)
Aluminum (1)

Polypropylene (5)
PVDF (4)
CPVC (2)
316 Stainless Steel (2)
General Purpose (1)
Aluminum (1)
PFA (1)
Plastic (1)
Hastelloy C (1)
Weatherproof Enclosure (1)
ETFE (1)
Polypropylene Float (1)
PPS (1)
Stainless Steel (1)
Neoprene (1)
Food Grade Nylon (1)
PVC (1)
Single Float (1)

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Process Connection Size

3/4 in (6)
1 1/4 in (5)
1/8 in (4)
1 in (2)
2 in (2)
1/4 in (2)

3/4 in (6)
1 1/4 in (5)
1/8 in (4)
1 in (2)
2 in (2)
1/4 in (2)
16 mm (1)
1/2 in (1)
1 1/4 in x 3/4 in (1)
3/8 in (1)

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Operating Temperature, Max

90 °C (3)
82 °C (3)
71 °C (2)
65 °C (2)
149 °C (2)
80 °C (2)

90 °C (3)
82 °C (3)
71 °C (2)
65 °C (2)
149 °C (2)
80 °C (2)
185 °F (1)
110 °C (1)
406 °F (1)
23 °C (1)
120 °C (1)
50 °C (1)
140 °F (1)
176 °F (1)
10 °C (1)
212 °F (1)

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Operating Pressure, Max

150 psi (3)
100 psi (3)
25 psi (2)
1000 psi (2)
30 psi (2)
300 psi (1)

150 psi (3)
100 psi (3)
25 psi (2)
1000 psi (2)
30 psi (2)
300 psi (1)
50 psi (1)
975 psi (1)
200 psi (1)
75 psi (1)
600 psi (1)
160 psi (1)
500 psi (1)
225 psi (1)
290 psi (1)
900 psi (1)

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Process Connection Type

NPT Male (18)
UNF Female (1)
NPT Male PDL-2 Paddle and FLG-CSH Flange (1)
Metric Male (1)
BSPP Male (1)

Switch Rating

1 A @ 60 or 120 Vac/Vdc (9)
1 A @ 60 VA (1)
10A, 1/3 hp @ 120/240 Vac (1)
15 A @ 125 or 250 Vac (1)
15 VA @ 120 Vdc/Vac (1)
5 A @ 125/250 Vac, 5 A resistive, 3 A @ 30 Vdc (1)

1 A @ 60 or 120 Vac/Vdc (9)
1 A @ 60 VA (1)
10A, 1/3 hp @ 120/240 Vac (1)
15 A @ 125 or 250 Vac (1)
15 VA @ 120 Vdc/Vac (1)
5 A @ 125/250 Vac, 5 A resistive, 3 A @ 30 Vdc (1)
5 A @ 250 Vac, 30 Vdc (1)
15 A @ 250 Vac (1)
15 A @ 120 Vac (1)
5 A @ 250 Vac, 3 A @ 30 Vdc (1)
50 VA @ 120 Vac (1)
20 VA: 0.08 A @ 240 Vac (1)

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Operating Temperature, Min

-40 °C (12)
-25 °C (1)
-40 °F (1)
0 °C (1)
-10 °C (1)
-29 °C (1)

-40 °C (12)
-25 °C (1)
-40 °F (1)
0 °C (1)
-10 °C (1)
-29 °C (1)
-4 °F (1)

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Specific Gravity

0.72 (3)
0.7 (3)
0.92 (1)
0.8 min (1)
0.88 (1)
0.56 (1)

0.72 (3)
0.7 (3)
0.92 (1)
0.8 min (1)
0.88 (1)
0.56 (1)
0.64 (1)
0.62 (1)
0.52 (1)
0.85 (1)
0.71 (1)
0.49 (1)
0.6 (1)
0.8 (1)

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Insulation

PVC (12)
Shield and PP or PFA Jacket (1)
TFE (1)
Shield and PP Jacket (1)

Supply Voltage

24 Vdc (2)
120 Vac (1)
230 Vac, 2.5 VA (1)
N/A (1)
115 Vac (1)
6 to 24 Vdc (1)

24 Vdc (2)
120 Vac (1)
230 Vac, 2.5 VA (1)
N/A (1)
115 Vac (1)
6 to 24 Vdc (1)
230 Vac (1)
115 Vac, 2.5 VA (1)
95 to 250 Vac, 20 W @ 120 Vac (1)
12 to 55 Vdc (1)
12 to 36 Vdc (1)
12 to 28 Vdc (1)

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Cable Length

24 in (4)
1000 ft (2)
15 ft (1)
500 ft (1)
1.5 ft (1)
45 ft (1)

24 in (4)
1000 ft (2)
15 ft (1)
500 ft (1)
1.5 ft (1)
45 ft (1)
60 ft (1)
2 ft (1)

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Level Switches

Grid Table

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LTU-100A-R-Series

Polyphenylene Sulfide, NO or NC Tuning Fork Level Switch

The LTU-101A-R consists of a sensor with dual tuning forks vibrated at a high frequency. As the tuning fork is covered by liquid, a shift in frequency activates the relay.

View Specs

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Level Switches

Level Switches support automation, monitoring, switching, indication, safety, motion, or process control tasks in industrial, HVAC, laboratory, facility, and OEM systems. Products span float level switches, point level switches, liquid level switches, tank switches, pump control switches, alarm switches, and process level detection devices.

Applications include high-level alarms, low-level pump protection, sump control, tank filling, chemical storage, water systems, and process vessel monitoring. Products represented in the source data include Omega Engineering and Dwyer Instruments.

Applications include: