Product characteristics Number of inputs and outputs Number of analog outputs: 1 Measuring range 5...85 l/min 0.265...4.509 m/s Process connection threaded connection G 1 DN20 Application System gold-plated contacts Measuring element 1 x Pt 1000; (to DIN EN 60751, class B) Application for industrial applications Installation connection to pipe by means of an adapter Media water; glycol solutions; Coolants Medium temperature [°C] -40...100 Min. bursting pressure [bar] 25 Min. bursting pressure [MPa] 2.5 Pressure rating [bar] 12 Pressure rating [MPa] 1.2 Note on pressure rating up to 40 °C Electrical data Operating voltage [V] 8...33 DC Min. insulation resistance [MΩ] 100; (500 V DC) Protection class III Power-on delay time [s] < 2 Inputs / outputs Number of inputs and outputs Number of analog outputs: 1 Outputs Total number of outputs 1 Output signal analog signal Number of analog outputs 1 Analog current output [mA] 4...20; (water: Q [l/min] = 5,313 x (I - 4 mA); water-glycol: Q [l/min] = 5,313 x (I - 4 mA) - Qo see Figure 2) Max. load [Ω] < (Ub - 8 V) / 20 mA; Ub = 24 V: 800 Measuring/setting range Measuring range 5...85 l/min 0.265...4.509 m/s Temperature monitoring Internal heating temperature probe 1 K/mW Measuring range [°C] -40...100 Accuracy / deviations Flow monitoring Accuracy (in the measuring range) Q < 50 % MEW: < 1 % MEW / Q > 50 % MEW: < 2 % MW; (water) Repeatability 0,2; (% of the final value) Temperature monitoring Accuracy [K] ± 0,3 ± 0,005 x T Reaction times Flow monitoring Response time [s] 0.5 Operating conditions Ambient temperature [°C] -15...85 Storage temperature [°C] -30...85 Protection IP 65 Cavitation P(absolute) discharge / P(difference) > 5.5 to avoid cavitation Tests / approvals EMC EN 61326-2-3 Shock resistance DIN EN 60068-2-27 30 g (11 ms) Vibration resistance DIN EN 60068-2-6 with water / 10...61 Hz 1 mm with water / 61...2000 Hz 2 g MTTF [years] 380 Pressure equipment directive sound engineering practice; can be used for group 2 fluids; group 1 fluids on request Mechanical data Weight [g] 105.5 Material PA 6T Materials (wetted parts) ETFE; PA 6T; FKM Tightening torque [Nm] 12 Process connection threaded connection G 1 DN20 Remarks Remarks MW = Measured value MEW = Final value of the measuring range Pack quantity 1 pcs. Electrical connection Connection Connector: 1 x M12; coding: A; Contacts: gold-plated Diagrams and graphs Pressure loss dP Pressure loss Q volumetric flow quantity Minimum lifetime 10 years referred to flow and high medium temperatures Determination of the kinematic viscosity (v) of glycol-water mixtures depending on the temperature
