Overview
Benefits
* Bi-directional flow measurement of liquids and gases
* Cost effective: No pipe work, no process shut-down, maintenance-free
* Zero-point stable and drift free - Carefully matched and temperature compensated transducers (fully ANSI / ASME compliant)
* Retrofittable - No pipe modification required, no process shut-downs
* Maintenance Free - Free of wear & tear and abrasion, not prone to clogging or corrosion, no fugitive emissions
* High tolerance to entrained solids and gas wetness
* Independent of pipe size, material, operating pressure, and gas composition
* Flexible configurable outputs
* Advanced Meter Verification
Specification
Item
|
value
|
Warranty
|
1 Year
|
Customized support
|
OEM, ODM, OBM
|
Place of Origin
|
United States
|
Brand Name
|
ROSEMOUNT
|
Model Number
|
G831
|
Type
|
Variable Area Air & Gas Flowmeters
|
Fluid Type
|
All gases
|
Accuracy
|
Measurement uncertainty of the measuring system (volumetric flow rate): ±0.3 % of reading ±0,005 m/s (±0.02 ft/s)
Measurement uncertainty at the measuring point (volumetric flow rate): ± 1…2 % of reading ±0,005 m/s (±0.02 ft/s) |
Repeatability
|
0.15 % of reading ±0,005 m/s (±0.02 ft/s)
|
Flow channels
|
up to 2
|
Range
|
0,01 to 35 m/s (0.03 to 115 ft/s)
|
Certifications/Approvals
|
FM Class I/Div. 1
FM Class 1/Div. 2 ATEX/IECEx Zone 1 INMETRO NEPSI PESO KOSHA |
Power supply
|
100-230VAC
20-32VDC |
Pipe size
|
7 to 1600 mm (0.28 to 63 inch)
|
Pressure range
|
1barg (15 psig) to unlimited
|
Temperature range (media)
|
-40 to +240°C (-40 to +464°F) / WI: -200 to +630°C (-328 to +1166°F)
|
Output
|
4-20mA active/passive (optional Ex-ia)
4-20mA HART active/passive (optional Ex-ia) pulse/frequency/binary |
Input
|
Temperature (optional Ex-ia)
4..20mA (optional Ex-ia active) |
Communication Protocol
|
Modbus RTU
BACnet MSTP Profibus PA (optional Ex-ia) Foundation Fieldbus (optional Ex-ia) |
We normally ship by DHL, UPS, FEDEX or TNT,
some country could not be ship by above method, then we would use EMS or Country Logistics line.