The DeltaSpan™ LD31 Series Intrinsically Safe Clean Water & Oil or LD32 Series Intrinsically Safe Pump Lift Station Pressure Level Transmitters are manufactured for years of trouble free service in the harshest applications.
This manual covers the DeltaSpan™ LD31 Series Intrinsically Safe Clean Water & Oil Pressure Transmitter and the LD32 Series Intrinsically Safe Pump Lift Station Pressure Level Transmitter. Manufactured by Flowline, Inc., these devices feature a piezoresistive sensing element encased in a 316 SS housing to measure liquid height above a tank position referenced to atmospheric pressure. The LD31 series features a slim bullet nose design, while the LD32 series utilizes a large diameter, non-clogging diaphragm seal suitable for pump lift stations.
| Wetted Materials | 316 SS, 316L SS and Buna-N |
|---|---|
| Accuracy | ±0.25% of full scale |
| Temperature Limit | 0 to 176°F (‐18 to 80°C) |
| Power Requirement | 10 to 28 VDC |
| Output Signal | 4 to 20 mA DC, 2‐wire |
| Response Time | 50 ms |
| Max. Loop Resistance | 900 ohms |
| Agency Approvals | CE, UL Intrinsically Safe |
Yes, the LD31/LD32 series is UL listed for use in Hazardous (Classified) Locations using Intrinsic Safety.
The body is made of 316 SS, 316L SS, and Buna-N.