The GfG DS400/DS404 is an automatic docking station for bump testing, calibration, and charging of portable gas detection devices.
The DS400 and DS404 are docking stations designed for automatic function tests (bump tests), adjustments, and charging of portable gas detection devices including G450, G460, G888, G999, and G222E models. DS400 accepts one test gas input while DS404 accepts up to four. Features include automatic bump testing (max 60 seconds), sensor calibration with test gas (max 4 minutes), integrated pump, charging function for rechargeable batteries, SD card data storage, and RS-485 connectivity. Complies with DGUV information 213-056 (T021), 213-057 (T023), and DIN EN 60079-29-2. Includes configuration software, firmware updates, and certificate/report generators.
| Performance | |
| Display and control elements | Display and 3 buttons on monitor |
| Gas Delivery rate | Flow rate: 0.5 to 0.6 l/min; drawn in by internal pump (pressure-free) |
| Pressure monitoring | 4 electric inputs for floating contacts (2 input/output jacks) |
| Power | |
| Power supply | 12 V DC / 1.25 A (2 input/output jacks) |
| Physical | |
| Material | Plastic |
| Dimensions | 4.92x6.65x8.86 in / 125x169x225 mm (WxHxD) |
| Weight | 52.91 oz / 1500 g including G400-DIC1D |
| Connectivity | |
| Gas Connections | 1 zero gas inlet, 4 test gas inlets, 1 gas outlet (for hose di≈1/2 cm or 5 mm) |
| Approvals & Warranty | |
| Protection class | IP-20 |
| Other | |
| Type designation | DS404 |
| Bump test | 20 - 60 sec. (depending on setting and test gas concentration) |
| Calibration | 2 - 10 min (depending on sensor type and number of test gases) |
| Storage medium | 2 GB SD card (formatted with FAT or FAT16 file system) |
| Communication | RS-485 (2x RJ45 modular jacks) |
Calibration, repair and maintenance for your detection instruments.



