RPM Series Liquid Level Sensors
Resistive Chain Level Sensor
- Continuous level indication
- Resistive chain or loop powered 4-20 mA output
- Lengths up to 20 ft.
- Highly rugged and reliable
- 0.5 in. or 0.25 in. resolution
- Available with hazardous ratings (see datasheet for details)
- Anti-stick float design
- Proven reliability in operation
Supply Voltage:
Resistive Chain Output: 0-5, 0-10, 0-15 VDC
4-20 mA Output: 12-24 VDC
Resolution:
Standard: 13 mm (0.5 in.)
High: 7 mm (0.25 in.)
Hysteresis:
Standard: ±7 mm (0.5 in.)
High: ±3 mm (0.12 in.)
Stem Length: 122 to 610 cm (48 to 240 in.)
Measurement Length: Stem length – (S1 + S2)
Top Deadband S1: See ordering information
Bottom Deadband S2: See ordering information
Cable Entry: 3/4 in. NPT
Housing Material: Cast aluminum
Stem Material: 316L SS
Float Material: Polyurethane, 8 in. OD (0.44 SG) or 316L SS, 5 in. OD (0.5 SG)
Operating Temperature: -40 to 85°C (-40 to 185°F)
Maximum Pressure: 72.5 psi (5 bar)
Hazardous Location Approvals (Contract # 237484):
CSA Explosion Proof: Class I, Div. 1, Groups C & D
CSA Intrinisically Safe: Exia Class I, Div. 1, Groups C & D (4-20 mA only)
ATEX Intriniscally Safe: EX II 1 G EEx ia IIB T3 Ambient: -40 to 85°C
Drilling rig mud pit level
Large applications
Harsh conditions, such as mud and slurries
Applications requiring hazardous approvals