# Product Introduction
The Sentinel LCT Viscometer adopts measuring instruments with extremely low sensitivity to viscosity changes, and further reduces the impact of viscosity through multiple patented algorithms. Therefore, this instrument is truly a specialist in multi-viscosity measurement — no verification tests or parameter adjustments are required when viscosity changes. Within the entire range from minimum to maximum viscosity, a single calibration curve maintains a measurement accuracy of 0.15%.
# Product Parameters
## Specifications
### Operation and Performance
The design of the Sentinel LCT complies with the requirements of OIML R117-1, MID MI-005 and API MPMS 5.8.
### Fluid Type
Liquid hydrocarbons, crude oil and refined petroleum products, and other liquids
### Flow Measurement
Correlated Transit Time Mode
### Accuracy
When the flow rate is between 1 and 33 ft/s (0.3 to 10 m/s), the measured volume accuracy is <±0.15% (extended range available upon request)
### Repeatability
±0.02%
### Viscosity Range
0 to 6600 cSt
Consult the factory for higher viscosity values
### Reynolds Number Range
> Re 5,000
Consult the factory for lower Reynolds number requirements
### Process Temperature
- Standard: -40° to +120°C (-40° to +248°F)
- LNG: -200° to +120°C (-328° to +248°F)
- Extended Range: -200° to +600°C (-328° to +1112°F) — please consult the factory
### Ambient Temperature
-40° to +60°C (-40° to 140°F) (up to 85°C for short-term exposure)
### Storage Temperature
-40° to +80°C (-40° to +176°F)
### Power Supply
• 100 to 240 VAC
• 12 to 32 VDC
### Display
High-contrast 128 x 64 pixel graphic display with LED backlight
### Output
• Two frequency/pulse outputs with DC electro-optical isolation
• Two alarm relays
• One 4/20 mA output with HART protocol
# Product Applications
## Application Scenarios
• Liquid transfer measurement
• Dispensing metering
• Pipeline leak detection
• Crude oil and refined products measurement
• High-temperature flow measurement
• Low-temperature flow measurement
• Liquid flow measurement requiring high precision and high accuracy
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