Insertion Flow Probe Meter Specification Chart


Wetted Materials316SS (Std.). Hastelloy-C, Tantalum, and others are available by request
Process Connections3/4″ & 1″ MNPT Compression Fitting, Insert Flange, Tri-Clover, Welded Union
Hot Tap Assembly with 1″ Full Port Ball Valve
Mechanical Retractor System for High Pressure Applications
Probe Size (OD)3⁄4″, 1″
Probe Length9″, 14″, 25″ (Std.). Custom Lengths Available
Protective Coatings AvailableTeflon, Others

Standard Installation

10 pipe diameters before meter install point and 5 pipe diame- ters after meter without any piping changes. If those condi- tions cannot be met, Thermal Instrument , in some instances, can simulate piping in order to calibrate to installation condi- tions.

Engineering Specifications

Accuracy±0.50% of Full Scale**
Repeatability± .20% of Rate
Turndown10:1 Std. up to 1000:1 Application Dependent
Temperature SpanOperating Temperature ± 50°F
Response TimeGases—1 Second
FlowratesGas 30—85,000 SFPM
* Liquid Applications – Contact Factory
Pressure RatingVaries by Application & Process Connection
Temperature-40—500°F (Std), -40—260°C (Std.)

** Note—Accuracy of Meter Reading based on Air and meeting all piping conditions

Transmitter Specifications (Integral or Remote)

Display8 Digit Flow Rate & Total Flow Rate
Power120 / 240 VAC, 50/60 Hz
24 VDC, 1 Amp
Outputs4-20 MADC Flow (Std.)
4-20 MADC Temperature (Opt.)
Optional Outputs0-5 VDC, 0-10 VDC Optional
Pulse Output (Opt.)
Modbus RS 485
Hart Communication
RemoteUp to 2000’. Signal Cable – 18 Gauge, 2 Pair with shield

Communication via Micro USB & 4 Button Menu System (Opt.)

Adjustable Variables

Filter Factor, Flow Full Scale, Flow Factor, Pipe ID, Zero Cutoff %, Modbus ID Value

Enclosure Specifications

Cast Aluminum, Epoxy painted with window

Connection3⁄4″ FNPT Power & Signal
RatingsNema 4, Explosion Proof, Class 1, Div 1
Groups B, C, D Weatherproof
TemperatureAmbient –13 to 140°F (-25 to 60°C)
Storage –40 to 158°F (-40 to 70°C)