ModQ Sentry



ModQ Sentry Datasheet

Data Sheet



Local display with, flow rate, totalizer and modbus settings
Integrates with industry standard turbine meters
Hazardous location classified for Class1 Div2 Non-Incendive
Local pushbuttons for configuration
Modbus serial (RS485) output to integrate with PLC/SCADA/DCS
Externally and/or battery powered with auto switch over
Real-Time-Clock with battery backup
1” female NPT standard swivel coupling with 2 pin connector inductive type turbine meters
Configurable contract hour with real-time clock & battery backup
32 day built-in local data historian/backup storage
Settable K Factor from local interface
Weathertight rugged enclosure for outdoor operation
Easy to install and maintain
Configurable volume and time units


Operating Temp:
-40ºC to 80ºC (-40°F to 176°F)

LCD Display:

-20ºC to 70ºC (-4°F to 158°F)


Magnetic pickup, pulsed input

Sensitivity selector for magnetic pickup
2kHz response high gain mode (5mV sensitivity)
4kHz response low gain mode (20mV sensitivity)

Dry contact pulsed input

LCD & Pushbuttons:

32 character display with pushbuttons

Settable K factor, contract hour, etc.

Displays totals, flow rate, and
status information

Modbus RTU RS485 serial 2 wires
Pulse output (open collector/pull down)

Real Time Clock:
Battery backed up real time clock with coin size battery model 2032

Mechanical Specifications:
Connection Fitting:
316SS, 1” NPT Swivel Union
Mating union for direct mount to turbine meter

High strength & flame retardant Polycarbonate

Magnetic pickup connector:
Standard 2-pin circular connector


0% – 100% condensing

Battery: “D” cell lithium battery
Field replaceable Class 1 Div 2 OR External: 6-36Vdc, 1mA current draw

Battery Life:
(standalone operations w/o Modbus)
LCD ON: 4 years
LCD OFF: 6.5 years
Modbus Mapping
Flow totals (today, yesterday, 32 day log)

Instantaneous flow rate

2lbs (0.9kg) – Without a turbine

Non-Incendive Approval:
Class I Division 2, Temp Code T3, Groups C&D. Conforms to UL Std. 913, Certified to Can/CSA Std C22.2 No. 157

Internal Diagnostics:
Battery voltage, error conditions


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