| Product characteristics |
|---|
| Number of inputs and outputs | Number of digital outputs: 2; Number of analogue outputs: 1 |
| Measuring range [l/min] | 0...10 |
| Application |
|---|
| Special feature | Gold-plated contacts |
| Installation | T-pieces; ((DIN 2353): QL 18-18-18 (NW 15 mm) / QL 22-18-22 (NW 19 mm) / QL 28-18-28 (NW 24 mm)) |
| Media | water |
| Medium temperature [°C] | 0...80 |
| Pressure rating [bar] | 30 |
| Electrical data |
|---|
| Operating voltage [V] | 20...28 DC |
| Current consumption [mA] | < 80 |
| Protection class | III |
| Reverse polarity protection | yes |
| Power-on delay time [s] | 10 |
| Inputs / outputs |
|---|
| Number of inputs and outputs | Number of digital outputs: 2; Number of analogue outputs: 1 |
| Outputs |
|---|
| Total number of outputs | 2 |
| Output signal | switching signal; analogue signal; (configurable) |
| Electrical design | PNP/NPN |
| Number of digital outputs | 2 |
| Output function | normally open / normally closed; (parameterisable) |
| Max. voltage drop switching output DC [V] | 2 |
| Permanent current rating of switching output DC [mA] | 250; (per output) |
| Number of analogue outputs | 1 |
| Analogue current output [mA] | 4...20; (scalable) |
| Max. load [Ω] | 500 |
| Analogue voltage output [V] | 0...10; (scalable) |
| Min. load resistance [Ω] | 2000 |
| Short-circuit protection | yes |
| Type of short-circuit protection | pulsed |
| Overload protection | yes |
| Measuring/setting range |
|---|
| Measuring range [l/min] | 0...10 |
| Display range [l/min] | 0...12 |
| Set point SP [l/min] | 0.1...12 |
| Reset point rP [l/min] | 0...11.9 |
| Analogue start point ASP [l/min] | 0...8 |
| Analogue end point AEP [l/min] | 4...12 |
| In steps of [l/min] | 0.1 |
| Accuracy / deviations |
|---|
| Flow monitoring |
|---|
| Repeatability [% of the measured value] | 3 (Q < 30%) / 7 (Q < 100%) |
| Temperature gradient [K/min] | 200 |
| Accuracy (in the measuring range) | ± 10 |
| Response times |
|---|
| Flow monitoring |
|---|
| Response time [s] | 5; (10%...90%) |
| Delay time programmable dS, dr [s] | 0...50 |
| Software / programming |
|---|
| Parameter setting options | hysteresis / window; normally open / normally closed; switching logic; current/voltage output; inside pipe diameter; start-up delay; adaptation of displayed values; display can be rotated and switched off; Display unit |
| Operating conditions |
|---|
| Ambient temperature [°C] | -20...60 |
| Protection | IP 67 |
| Tests / approvals |
|---|
| EMC | | EN 61000-4-2 ESD | 4 kV CD / 8 kV AD | | EN 61000-4-3 HF radiated | 10 V/m | | EN 61000-4-4 Burst | 2 kV | | EN 61000-4-6 HF conducted | 10 V |
|
| MTTF [years] | 184 |
| Mechanical data |
|---|
| Weight [g] | 330.5 |
| Materials | stainless steel (1.4404 / 316L); PBT; PC; PA; EPDM/X; FKM |
| Materials (wetted parts) | stainless steel (1.4404 / 316L); O-ring: FKM 70 Shore A |
| Displays / operating elements |
|---|
| Display | | switching status | 2 x LED, red | | measured values | 7-segment LED display | | programming | 7-segment LED display |
|
| Display unit | l/min; gpm; l/h; gph; m³/h |
| Remarks |
|---|
| Remarks | |
| Pack quantity | 1 pcs. |
| Electrical connection |
|---|
| Connection | Connector: 1 x M12; Contacts: gold-plated |
