The intrinsically safe submersible pressure level transmitter provides continuous level measurement up to 46' (14m) of water column with a 4-20 mA signal output. Select the LD31 liquid level sensor for relatively clean water, light weight oil or diluted chemical. Application examples include wet wells and water remediation. Range: 0 to 5 psi (0.34 bar), 0 to 11' (0 to 3.4m) wc. Accuracy: +/- 0.25 percent of full scale. Configuration: None, fixed span. Supply voltage: 10 to 28 VDC. Loop resistance: 900 Ohms at 28 VDC. Signal output: 4-20 mA, two-wire. Process temp.: F: 0 to 176 degree, C: -18 to 80 degree. temperature comp.: F: 0 to 176 degree, C: -18 to 80 degree. Proof pressure: 2 x full scale. Weight: 2.2 lb (1.0 kg). Transmitter rating: NEMA 6 (IP67). Transmitter material: 316 and 316L Stainless Steel, Buna-N and PVC. Transmitter thread: 1/2" NPT. Cable type: 2-conductor, shielded with vent tube. Cable length: 40' (12.2m). Cable material: Polyurethane (IS). Classification: Intrinsically safe, Class I Div. 1 Groups A, B, C and D; Class II Div. 1 Groups E, F and G; Class III Div. 1T4 at 80 degree C ambient. Compliance: CE, UL Intrinsically safe to UL standard 913, IEC 61000-4-2:2001, IEC 61000-4-3:2006, IEC 61000-4-4:2004, IEC 61000-4-5:2005, IEC 61000-4-6:2006, IEC 61000-4-8:2001, CENELEC EN 55011:2003, CENELEC EN 61326:2003, 89/336/EEC EMC Directive. Parameters: Vmax = 28 VDC, Imax = 93 mA, Ci = 0.051_F, Li = 240_H, Pi = 0.651_W.