Level Pro Sentinel Series Instruction Manual page 10

Sentinel Series
|
Tank Sump Liquid Level Monitoring
Sentinel Specifications
6
Performance Specifications:
Output Voltage
Output Current
Load Regulation
Ripple
Output Short Circuit Protection Output is current limited to 24 mA
Accuracy
Hardware Specifications:
Differential Pressure Sensor
Ultrasonic Sensor
Housing
Area Classification
Unit Gross Weight
Battery:
Type
Expected Battery Life
Environment:
Storage Temperature Range
Operating Temperature Range
6.1 Antenna Connector
Type
Frequency Bands
|
Telemetry
850 (824 – 894) MHz
1900 (1850 – 1990) MHz
Nominally 24V ± 5%
Rated from 0 – 24 mA
0.5% from a 24 mA load
50 mV Peak-to-Peak
± 1% of Span
SS316; 1 inch (25 mm) OD x 3 inch (76 mm) length;
0-30 psi (0-2.1 kg/cm2) operating range for 34 ft (10.3
meter) cable; 7.5 psi (0-0.53 kg/cm2) for 17 ft (5.1
meter) cable. 2" Polypropylene NPT fitting.
PVDF Kynar construction exposed to wetted portion of
the tank.
NEMA 4X; weatherproof; UL approved (UL94HB);
glass-filled nylon
General Purpose environment
With Ultrasonic Level Sensor: 2.0 lbs (0.91 kg)
With 7.5 psi range Submersible Differential Pressure
Sensor: 2.1 lbs (0.95 kg)
With 15 psi range Submersible Differential Pressure
Sensor: 2.6 lbs (1.18 kg)
Three Replaceable Lithium-Ion Batteries (CR-123A)
One call out per day – up to 3 years
Three call outs per day – up to 1 year
-40˚F to 185˚F (-40˚C to 85˚C)
-22˚F to 167˚F (-30˚C to 75˚C)
Standard SMA