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Mercoid Series SBLT2 & SBLTX

Submersible Level Transmitter — Perfect for Ground Water and Wells

Mercoid Series SBLT2 Submersible Level Transmitter

Lightning Protected • Intrinsically Safe Option • Slim Design

The Mercoid Series 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. The bullet nose design protects the diaphragm from damage, making it ideal for ground water monitoring and well applications.

The SBLT2 incorporates lightning and surge protection utilizing dual arrestor technology grounded to case. The SBLTX is UL approved intrinsically safe for use in hazardous locations when used with the proper barrier.

Key Features

Excellent chemical compatibility with 316 SS construction
Slim bullet nose design protects diaphragm from damage
Lightning and surge protection on SBLT2 models
Maintenance-free vent filter
UL approved intrinsically safe on SBLTX models
Slim design ideal for tight well and borehole applications
270 lb tensile strength shielded and vented cable

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 Temp 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
2× 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.
Max Cable Length
ETFE: up to 196 ft (59.5 m); Polyurethane: up to 333 ft (101.5 m).
Agency Approvals
SBLT2: None; SBLTX: CE, cULus intrinsically safe — Class I, Div. 1, Groups A, B, C, D; Class II, Div. 1, Groups E, F, G; Class III Div. 1.

Popular Models

ModelRangeCable LengthCable Type
SBLT2-10-4010 psi (23.09 ft wc)40 ft (12.2 m)Polyurethane
SBLT2-10-40-ETFE10 psi (23.09 ft wc)40 ft (12.2 m)ETFE
SBLTX-10-4010 psi (23.09 ft wc)40 ft (12.2 m) — Intrinsically SafePolyurethane
SBLTX-10-40-ETFE10 psi (23.09 ft wc)40 ft (12.2 m) — Intrinsically SafeETFE
SBLT2-15-6015 psi (34.63 ft wc)60 ft (18.3 m)Polyurethane
SBLT2-15-60-ETFE15 psi (34.63 ft wc)60 ft (18.3 m)ETFE
SBLTX-15-6015 psi (34.63 ft wc)60 ft (18.3 m) — Intrinsically SafePolyurethane
SBLTX-15-60-ETFE15 psi (34.63 ft wc)60 ft (18.3 m) — Intrinsically SafeETFE
SBLT2-20-6020 psi (46.18 ft wc)60 ft (18.3 m)Polyurethane
SBLT2-10M-18M10 m wc18 mPolyurethane

Additional ranges and cable lengths available. Contact us for full model list.

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