Series-SBLT2
A-625

Dwyer Series SBLT2 Submersible Level Transmitter

$ 200.45–$ 414.95

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Product Description

Perfect for Ground Water and Wells, Lightning Protected or Intrinsically Safe

SBLT2 and SBLTX Submersible Level Transmitters are manufactured for years of trouble free service in the harshest applications. Both measure the height of liquid above the position in the tank referenced to atmospheric pressure. The transmitter consists of a piezoresistive sensing element, encased in a 316 SS housing. Bullet nose design protects the diaphragm from damage.

The SBLT2 incorporates lightning and surge protection utilizing dual arrestor technology, grounded to case, eliminating both power supply surges and lightning ground strike transients (surge protection is not guaranteed and is not covered by warranty). The SBLTX is UL approved intrinsically safe for use in hazardous locations when used with proper barrier.

Units come equipped with a 270-pound tensile strength shielded and vented cable. Ventilation tube in the cable automatically compensates for changes in atmospheric pressure above the tank. The vent is protected with a maintenance free filter eliminating particulate or water droplets from entering the transducer.

Product Applications

  • Well monitoring
  • Ground water monitoring
  • Environmental remediation
  • Surface water monitoring
  • Down hole
  • Water Tanks

Models

Model Description
SBLT2-10-40 Submersible level transmitter, range 10 psi (23.09 ft wc) [7.04 m wc], 40 ft (12.2 m) polyurethane cable.
SBLT2-10-40-ETFE Submersible level transmitter, range 10 psi (23.09 ft wc) [7.04 m wc], 40 ft (12.2 m) ETFE cable.
SBLT2-10M-18M Submersible level transmitter, range 10m wc, 18m polyurethane cable length.
SBLT2-15-60 Submersible level transmitter, range 15 psi (34.63 ft wc) [10.56 m wc], 60 ft (18.3 m) polyurethane cable.
SBLT2-15-60-ETFE Submersible level transmitter, range 15 psi (34.63 ft wc) [10.56 m wc], 60 ft (18.3 m) ETFE cable.
SBLT2-20-60 Submersible level transmitter, range 20 psi (46.18 ft wc) [14.08 m wc], 60 ft (18.3 m) polyurethane cable.
SBLT2-20-60-ETFE Submersible level transmitter, range 20 psi (46.18 ft wc) [14.08 m wc], 60 ft (18.3 m) ETFE cable.
SBLT2-3.5M-5M Submersible level transmitter, range 3.5m wc, 5m polyurethane cable length.
SBLT2-5-40 Submersible level transmitter, range 5 psi (11.54 ft wc) [3.52 m wc], 40 ft (12.2 m) polyurethane cable.
SBLT2-5-40-ETFE Submersible level transmitter, range 5 psi (11.54 ft wc) [3.52 m wc], 40 ft (12.2 m) ETFE cable.
SBLT2-5M-10M Submersible level transmitter, range 5m wc, 10m polyurethane cable length.

Specifications

Service:
Compatible liquids.
Wetted Materials:
316 SS, 316L SS, Epoxy; Cable: Polyurethane or ETFE; Bullet Nose: PVC.
Accuracy:
±0.25% of FS.
Temperature Limit:
SBLT2: 0 to 150°F (-18 to 66°C); SBLTX: 0 to 176°F (-18 to 80°C).
Compensated Temperature Range:
SBLT2: 0 to 140°F (-18 to 60°C); SBLTX: 0 to 176°F (-18 to 80°C).
Thermal Effect:
±0.02% full scale/°F.
Pressure Limit:
2X full scale.
Power Requirement:
SBLT2: 13 to 30 VDC; SBLTX: 10 to 28 VDC.
Output Signal:
4 to 20 mA DC, 2-wire.
Response Time:
50 ms.
Max. Loop Resistance:
900 Ω at 30 VDC.
Electrical Connections:
Wire pigtail.
Mounting Orientation:
Suspended in tank below level being measured.
Weight:
2.2 lb (1.0 kg).
Electrical Protection:
SBLT2: Lightning and surge protection; SBLTX: None.
Agency Approvals:
SBLT2: None; SBLTX: CE, cULus intrinsically safe for Class I, Div. 1, Groups A, B, C, D;
Class II, Div. 1, Groups E, F, G; Class III Div. 1. (According to control drawing 01-700797-00).
*Only up to 196 ft (59.5 m) for ETFE cable and 333 ft (101.5 m) for polyurethane cable.

Features

  • Excellent chemical compatibility
  • Lightning and surge protection on SBLT2 models
  • Maintenance free vent filter
  • UL approved intrinsically safe on SBLTX models
  • Slim design for tight applications

Options

  • -Intrinsically Safe Approval – Change model number from SBLT2 to SBLTX.
  • -Custom Ranges or Cable Lengths.

Approvals

Drawings

Accessories

Model Number Description
Intrinsically safe galvanic barrier. MTL5041 Intrinsically safe galvanic barrier.
Intrinsically safe zener barrier. MTL7706 Intrinsically safe zener barrier.
Dessicant Vent Filter for submersible level transmitters A-297 Dessicant Vent Filter for submersible level transmitters
Lift Loop/Hanger for submersible level transmitters A-625 Lift Loop/Hanger for submersible level transmitters

Model Chart

EXAMPLE SBLT2 300 500 ETFE Series SBLT2-300-500-ETFE Lightning and Surge Protected Submersible Level Transmitter, 300 psi sensor, with 500′ ETFE cable.
SERIES SBLT2
SBLTX		       Lightning & Surge Protected Submersible Level Transmitter
Intrinsically Safe Submersible Level Transmitter
SENSOR   3
5
7.796
8.662
10
10.34
12.992
14.5
15
20
25
25.984
30
35
45
50
60
100
150
200
300
1.5M
2.5M
3.5M
5M
6M
7M
10M
20M
100M
130M
170M
240M		     3 psi Sensor (SBLT2 only)
5 psi Sensor
7.796 psi Sensor (18′ w.c.) (SBLT2 only)
8.662 psi Sensor (20′ w.c.) (SBLT2 only)
10 psi Sensor
10.34 psi Sensor (SBLT2 only)
12.992 psi Sensor (30′ w.c.)
14.5 psi Sensor (SBLT2 only)
15 psi Sensor
20 psi Sensor
25 psi Sensor
25.984 psi Sensor (60’ w.c.)
30 psi Sensor
35 psi Sensor
40 psi Sensor
50 psi Sensor (SBLT2 only)
60 psi Sensor
100 psi Sensor
150 psi Sensor
200 psi Sensor
300 psi  (SBLT2 only)
1.5 meter Sensor (SBLT2 only)
2.5 meter Sensor (SBLT2 only)
3.5 meter Sensor (SBLT2 only)
5 meter Sensor (SBLT2 only)
6 meter Sensor (SBLT2 only)
7 meter Sensor (SBLT2 only)
10 meter Sensor (SBLT2 only)
20 meter Sensor (SBLT2 only)
100 meter Sensor (SBLT2 only)
130 meter Sensor (SBLT2 only)
170 meter Sensor (SBLT2 only)
240 meter Sensor (SBLT2 only)
CABLE LENGTH     X
M		   Cable Length in Feet (min: 2 feet; max: 2000 feet)
Cable Length in Meters (min: 1 meter, max: 600 meters) (SBLT2 only)
OPTIONS       ETFE
P1
P2
P3
P4
2YR		 ETFE Cable (std is polyurethane)
1/4″ Male NPT (std is 7/16-14)
1/4″ Female NPT
BSPT Male ISO 228 R 1/4″
BSPT Female ISO 228 RC 1/4″
2 Year Warranty (available on SBLTX only)

FAQ

Question
Is it safe to soak an MBLT level transmitter in vinegar or muratic acid to remove accumulated scale deposits?
Answer
Feel free to use whatever cleaning chemicals you like to remove accumulated scale deposits as long as the chemicals are compatible with the unit’s wetted materials as specified in our published literature.
Related
Series PBLT2 & PBLTX
Series PBLT2 & PBLTX
Series MBLT
Series MBLT
Series FBLT
Series FBLT
Series SBLT2 & SBLTX
Series SBLT2 & SBLTX
Question
Our client has an MBLT pressure transmitter that appears to be malfunctioning due to scale buildup. The transmitter is installed to measure leachate level in a one-year old municipal sanitary landfill. What can we use to remove scale from the transmitter without damaging the transmitter?
Answer
If the issue is due to build-up which consequently plugs the small sensing holes, you might take a look at our PBLT2 or FBLT series. They are both more rugged and designed for sludge and slurries, whereas the MBLT and SBLT2 are better suited for cleaner applications such as ground water and wells.
Related
Series FBLT
Series FBLT
Series PBLT2 & PBLTX
Series PBLT2 & PBLTX
Series SBLT2 & SBLTX
Series SBLT2 & SBLTX
Series MBLT
Series MBLT

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