1. www.hvac.vn Submersible Level Transmitters The materials included in this compilation are for the use of Dwyer Instruments, Inc. potential customers and current employees as a resource only. They may not be reproduced, published, or transmitted electronically for commercial purposes. Furthermore, the Company’s name, likeness, product names, and logos, included within these compilations may not be used without specific, written prior permission from Dwyer Instruments, Inc. ©Copyright 2014 Dwyer Instruments, Inc.

2. www.hvac.vn Overview MBLTFBLTSBLTPBLT

3. www.hvac.vn Technology Measure the height of liquid above the position in the tank referenced to atmospheric pressure Pressure on sensor can be related to height of liquid. Piezoresistive sensing element, encased in a 316 SS housing Piezoresistive – describes a material whose resistance changes as a function of mechanical strain applied

4. www.hvac.vn FBLT Introduction FBLT Submersible Level Transmitter Flush Diaphragm Design Purchase by Level Range, Cable Type and Length

5. www.hvac.vn FBLT Specifications Wetted Materials: Body: 316 SS; Cable: Polyether polyurethane or ETFE; Diaphragm: PTFE coated FKM Accuracy: ±0.25% FS Electrical Protection: Surge/lightning protected per EN61000-4-5, Class 5

6. www.hvac.vn FBLT Product Features Flush, PTFE coated diaphragm Low profile narrow design for tight applications such as through pipe installations Non-clogging/non-fouling for particulates and sludge PTFE is non-stick for no buildup on the sensor Gel fill will not leak even with small holes in the diaphragm. Competitors use oil.

7. www.hvac.vn MBLT – Introduction Miniature Submersible Level Transmitter for well and borehole applications Vented for barometric pressure compensation Purchase by accuracy, range, and cable length

8. www.hvac.vn MBLT - Specifications Wetted Materials: Body and nose: 316 SS Cable: Polyether polyurethane or ETFE Seals: Fluoroelastomer Accuracy: ±0.25% FS (10; w.c. range is ±0.30%FS) or ±0.10% FS Output: 2-wire 4-20 mA Electrical Protection: Surge/lightning protected per EN6100- 4-5, Class 5 Agency Approval: CE

9. www.hvac.vn MBLT - Features 0.63” diameter for bore-hole and well applications 316 SS tapered body and nose cap Tapered gland- does not snag Vent is covered with maintenance-free filter protecting sensor Level Ranges: 1.4 to 210 m w.c.

10. www.hvac.vn PBLT2/PBLTX - Introduction Submersible Level Transmitter for sludge pit and slurry applications Vented for barometric pressure compensation Purchase by range, cable length, and cable type

11. www.hvac.vn PBLT2/PBLTX - Specifications Accuracy: ±0.25% full-scale Output Signal: 4 to 20 mA DC, two wire Sensor Housing: 316 SS Cable: Polyurethane or ETFE Ranges: 3.52 to 100 meters w.c. Agency Approvals: PBLTX: CE, cUL intrinsically safe

12. www.hvac.vn PBLT2/PBLTX - Features Excellent chemical compatibility with 316 construction and ETFE cable Lightning and surge protection on PBLT2 models Maintenance free vent filter Durable cage protects diaphragm from rocks and debris. Large diameter, non-clogging, damage resistant, 316 SS diaphragm seal

13. www.hvac.vn SBLT2/SBLTX - Introduction Submersible level transmitter with PVC nose cap Purchase by Level Range, Cable Type and Length

14. www.hvac.vn SBLT2/SBLTX- Specifications Sensor Housing: 316 SS Accuracy: ±0.25% of full-scale Output Signal: 4 to 20 mA DC, 2-wire Cable: Polyurethane or ETFE Bullet nose: PVC Level Ranges: 3.52 to 240 meters w.c.

15. www.hvac.vn SBLT2/SBLTX - Features Bullet nose design protects the diaphragm from damage Excellent chemical compatibility Lightning and surge protection on SBLT2 models Maintenance free vent filter UL approved intrinsically safe on SBLTX models Slimmer design for tight applications

16. www.hvac.vn Applications Wastewater Level Monitoring Pump/Lift Stations

17. www.hvac.vn Applications Liquid Tanks Fuel Water Chemical Storage

18. www.hvac.vn Applications Water Treatment Plant Head Works (Influent) Settling Basins Aeration Basins

19. www.hvac.vn Applications Stilling Wells Used to decrease turbulence for level measurement FBLT fits in smaller diameter stilling wells

20. www.hvac.vn Applications Industrial Wastewater Heat Recovery Water Reuse Sump Level Monitoring/Pump Control

21. www.hvac.vn Applications Well monitoring Ground water monitoring

22. www.hvac.vn Applications Systems Manufacturers Pump Control Panel Manufactures Packaged Lift Stations Manufactures