Level Commander™ Series IILost Echo Operation:The analog output, five relay outputs and LCD are each independentlyprogrammable for user specified lost echo operation (energized, de-energized or hold states).Memory:Non-volatile EPROMSupply Voltage:110/230 Vac, ±10%, 50/60Hz, 10VA or 24 Vdc, ±10%, 10VA (user selec-table)Operating Temperature Range:-40 to 158 °F (-40 to 70°C)Enclosures:Wall Mount:Hinged polycarbonate, IP65 rated, 9.5in x 6.3in x 3.5 in(240mmx 160mm x 90mm) FMRC approved NEMA 4XPanel Mount: Noryl, DIN 43700, IP55 rated front panel, IP20 backpanel, 5.6in x 3.7in x 5.5in (144mm x 96mm x 140mm)Weight:Wall Mount: 3.85 lbs. (1.75 kg)Panel Mount: 2.70 lbs (1.23 kg)Approvals:Wall Mount: FMRC approved non-incendive for Class I, Division 2,Groups A, B, C and D, NEMA 1 hazardous locations when installed inaccordance with the instruction manual.Panel Mount (all versions): FMRC approved non-incendive for use inClass I, Division 2, Groups A, B, C and D, NEMA 1 hazardous locationswhen installed in accordance with the instruction manual.

Level Commander: Sensors

Operating Temperature Range:-40 to 194 °F (-40 to 90 °C)Operating Pressure:Maximum: 50 psig (345 kPa) operating, 75 psig (517 kPa) proof.Minimum: -4.7 psig (-32 kPa)Sensor Housing:LS20A0: Valox (Series 325) body with urethane face, NEMA 4X, IP68typeLS20AT: Valox (Series 325) body with urethane face, NEMA 4X, IP68typeLS20B0: CPVC flat face flange with PTFE face, NEMA 4X, IP68 typeLS20C0: CPVC flat face flange with PTFE face, NEMA 4X, IP68 type

Sensor Mounting:LS20A0: 3/4 inch NPTLS20AT: 3/4 inch NPTLS20B0: 3 inch flat face CPVC flange with PTFE faceLS20C0: 4 inch flat face CPVC flange with PTFE faceCable, Sensor Separation:Standard cable length is 33 ft (10 m). Maximum 1000 feet (305 meters)using RG62A/U coaxial cable. Maximum number of splices is two.Beam Angle:10° conicalWeight:LS20A0: 2.9 lbs (1.3 kg)LS20AT: 2.9 lbs (1.3 kg)LS20B0: 5.1 lbs (2.3 kg)LS20C0: 5.8 lbs (2.6 kg)Approvals:FMRC Approved for use in:Class I, Division 1, Groups A, B, C and DClass II, Division 1, Groups E, F and GNon-incendive for Class I, Division 2, Groups A, B, C and D, NEMA 4Xhazardous locations when used with an FMRC approved LC10 transmit-ter and installed in accordance with the instruction manual.

Optional Temperature Compensation Probe

Speed of Sound Compensation (Accuracy):Reduces ambient temperature errors from 0.09% per °F (0.17% per °C)of measured distance to 0.005% per °F (0.01% per °C)Operating Temperature Range:-40 to 194 °F (-40 to 90 °C)Enclosure:TC-01: IP65 rated, polycarbonate enclosure with 316SS probe and

1/2 inch NPT process and electrical connections. 6 in x 3.75 in (150mm x 95.5mm)

TC-02: NEMA 4 rated, cast aluminum enclosure with 316SS probeand 3/4 inch NPT process and electrical connections.

Weight:TC-01: 0.5 lbs (.22 kg)TC-02: 2.0 lbs (.91 kg)

Austin2555 North IH 35Round Rock, Texas 78664 512-388-9100 • 800-736-0801 (v)512-388-9200 (f)

Canada14 Gormley Industrial Avenue, Unit 14Gormley, Ontario LOH 1G0905-888-8808 (v)905-888-8828 (f)

www.Thermo.com

sales.process@Thermo.com

Level Commander™ Series IILC Level Commander Transmitter

10 Maximum 33 feet (10 meter) range, liquids only (Series II)

Enclosure Packaging/Approvals0 Wall Mount, indoor/outdoor type NEMA 4X

FMRC: non-incendive (N.I.) process control equipmentfor CL.I, II, III, Div2, Groups A, B, C, D, F & G hazardous (classified) locations

1 Panel Mount, indoorFMRC: non-incendive (N.I.) process control equipmentfor CL.I, Div2, Groups A, B, C & D hazardous (classified) locations. NEMA 1

LC 10 0 TYPICAL NOMENCLATURE

Sensor (Model LS20):LS20AO: Valox body urethane facing, 3/4 inch NPT

mounting and 33 ft (10m cable)LS20AT: Valox body, urethane facing, 3/4 inch NPT

mounting, integral temperature probe and 33 ft(10m) cable

LS20B0: CPVC flange with PTFE face, 3 inch mountingand 33 ft (10m) cable

LS20C0: CPVC flange with PTFE face, 4 inch mounting and 33 ft (10m) cable

Installation Accessories:TC-01: Optional temperature compensation probeTC-02: Optional temperature compensation probe

(consult factory for availability)9648 Interconnecting sensor cable (RG62A/U coaxial

cable) specified in 1 foot increments (0025 to1000 feet)

9649 Interconnecting temperature compensation cablespecified in 1 foot increments (0025 to 1000 feet)

104-100050

07/01

Houston9303 W. Sam Houston Pkwy S.Houston, Texas 77099 713-272-0404 • 800-437-7979 (v)713-272-4573 (f)