6.1 General specification
| Type: | LAMBDA MASSFLOW – microprocessor-controlled gas flow controller (controller only) and gas flow meter |
|---|---|
| Accuracy: | ± 3% reading or 1 digit |
| Repeatability: | ± 0.5 % reading or 1 digit |
| Flow range: | |
| MASSFLOW 5000 | 0-5.00 l/min in 0.01 l/min steps (controller or meter) |
| MASSFLOW 500 | 0-500 ml/min in 1 ml/min steps (controller or meter) |
| MASSFLOW 500 hs | Auto-range: 0-99.9 ml/min in 0.1 ml/min steps and 100-500 ml/min in 1 ml/min steps (meter only) |
| Calibration: | nitrogen/air (pre-calibrated sensors for other gases available on request) |
| Non-volatile memory: | storage of all settings |
| Maximum pressure: | 0.2 MPa |
| Interface: | RS-485 or RS-232 (optional) |
| Power supply: | 90–240 V/50–60 Hz AC plug-in power supply with DC 12V/24W output; possible field operation on 12 V accumulator |
| Dimensions: | 10.5 (W) x 8 (H) x 17 (D) cm |
| Weight: | 0.8 kg |
| Safety: | CE, meets IEC 1010/1 norm for laboratory instruments |
| Operation temperature: | 0-40 °C |
| Operation humidity: | 0-90% RH, not condensing |
| Remote control: | 0-10 V; (option 0-20 or 4-20 mA) (controller only) |
6.2 Remote control (Inputs/outputs)
| No. | Colour | Description |
|---|---|---|
| 1. | yellow | (+) input remote flow control 0-10V *) |
| 2. | grey | pulses (1 pulse = 5 ml of gas for MASSFLOW 5000 and 0.5 ml for MASSFLOW 500, 0 and 12V) |
| 3. | green | earth, 0 V |
| 4. | brown | + 12 V |
| 5. | white | (+) input remote ON/OFF; 0V = ON, 3–12 V = OFF (this logic can be inversed on demand) |
| 6. | pink | earth, ground (GND) |
| 7. | red | RS 485 B (-) |
| 8. | blue | RS 485 A (+) *) (zero line connected to the contact no. 3) |
