Low Volume Flowmeter and Switches

Measuring Range (Water)0.1...1 L/h to 20...200 L/h
Measuring Range (Air)3...30 Nl/h to 600...6000 Nl/h
FittingsDIN Flange DN 15, 25 or ANSI 3/4", 1"
Wetted Material316 St. Steel
Max. PressurePer Flange Rating
Max. Temperature-40...130 °C (-25..100 °C w/Contact)
Accuracy± 3 % FS
Available Measuring Ranges 0.25-2.5 l/h...16-160 l/h Water, 0.5-5 Nl/h...500-5000 Nl/h Air
Fittings ¼" FNPT
Material St. Steel, Glass, FPM Seals (FFKM Optional)
Max. Pressure 145 PSIG
Max. Media Temperature 212 °F (158 °F w/ Switch)
Option1 or 2 Inductive Proximity Switches (NAMUR Relay Required)
Measuring Range (Water)0.1...1 L/h to 20...200 L/h
Measuring Range (Air)3...30 Nl/h to 600...6000 Nl/h
Fittings ¼" NPT
Wetted Material316 St. Steel
Max. Pressure40 Bar (Higher pressures available upon request)
Max. Temperature-40...130 °C (-25..100 °C w/Contact)
Accuracy± 3 % FS
Measuring Ranges0.2...2 GPH to 2...20 GPM (Water), 0.1...1 SCFH to 10...100 SCFM (Air)
Fittings1/8", 1/4", 1" NPT Female
Body MaterialClear Acrylic
Max. Pressure 100 PSIG
Max. Temperature150 °F
Accuracy±2-5% FS, (Depending upon Model)
Measuring Range0.006...0.05 GPM to 0.44...4.4 GPM (Water), 0.06...0.27 SCFM to 11.8...62 SCFM (Air)
Fittings3/8"...1" NPT
Maximum Pressure145 PSIG
Accuracy± 4% Full Scale
Switching Range0.03...4 GPH (Water), 0.1...13 SCFH (Air)
Fittings ¼" NPT, G¼
Wetted Materials 303 SS, Borosilicate Glass, FKM
Max. Pressure230 PSIG
Max. Media Temperature160 °F
ContactProximity Switch or Reed Contact
Measuring Range (Water) 0.04...0.4 GPH to 2...20 GPH
Measuring Range (Air)0.3...3 SCFH to 10...100 SCFH
Fitting 1/8" NPT Female
Body MaterialPolysulfone
Max. Pressure 87 PSIG (6 BAR)
Max. Temperature248 °F
Accuracy ± 6 % FS
Option Needle Valve
Measuring/Switching Range0.05...0.1 to 13...24 L/m Water
Repeatability ±2.5% f.s.
Body Material Brass, Stainless Steel, PVC
Fitting G ½
Max. Temperature 212 °F
Max. Pressure 3625 PSIG
Measuring Range 1...10 l/h to 13...130 l/h (Water), 0.01...0.1 to 0.25...2.5 Nm³/h (Air)
AccuracyClass 4 Acc. to VDI/VDE
Maximum Pressure 16 Bar
Maximum Temperature100°C (65°C for PVC Float)
Process Connection¼" NPT Female or G¼ Male
Body MaterialPOM-C or Stainless Steel
Output Optional Switch Contacts
Measuring TubeBorosilicate Glass w/Polystyrene Cover
HousingNi-plated Brass, 304 SS, or 316L SS
Float304 or 316L Stainless Steel
FittingsM18 x 1.5, ¼" NPT or G ¼ via Adapter (for Horizontal Pipes)
Max. Pressure45 PSIG
Media Temperature32...150 °F
Other Members of the KOBOLD Group:Henschen, Unirota, Heinrichs, MesUra Henschen GmbH KOBOLD Unirota Kft. Heinrichs KOBOLD Group MesUra KOBOLD Messring GmbH
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