Comparison ledger
ERSA Hotflow 3 20, Heller 1913 MKIII, side by side. Every value shown is drawn from the cited encyclopedia entries.
| Attribute | Hotflow 3 20ERSA | 1913 MKIIIHeller |
|---|---|---|
| OEM | ERSA | Heller |
| Category | Thermal / Diffusion | Thermal / Diffusion |
| Wafer size | — | — |
| Process node | — | — |
| Introduced | — | — |
| Production run | — | — |
| Lifecycle | — | — |
| Lifecycle milestones | — | — |
| Control system | — | — |
| Generation | — | — |
| Family | ERSA Hotflow 3 20 | Heller 1913 |
| Cited variants | ||
| Specifications | ||
| Heating zones (basic) | 7 top-side preheating zones, 3 top and bottom-side peak zones[2] | — |
| Cooling zones | 4-stage version with water recooling (basic: 1 stage)[5] | — |
| Conveyor working width | 45 – 580 mm[5] | — |
| Conveyor speed | 20 – 200 cm/min[5] | — |
| Process length | 5,190 mm[5] | — |
| Heated length | 3,700 mm[5] | 3560 mm[1] |
| Cooling length | 1,490 mm[5] | — |
| Dimensions (L x W x H) | 6,590 mm x 1,530 mm x 1,450 mm[5] | — |
| Weight (incl. options) | approx. 3,200 kg[5] | — |
| Nominal rating | 65 kW – 104 kW (subject to configuration)[5] | — |
| Continuous rating for operation | approx. 12 – 19 kW[5] | — |
| Electrical supply | 3 x 400 V, N, PE, 50/60 Hz, max fuse 3 x 100 A[5] | — |
| Exhaust volume per stack | 400 m³/h, 2 stacks[5] | — |
| Noise level (permanent) | < 70 dB (A)[5] | — |
| Board clearance (standard) | +25/-37 mm[5] | — |
| Board clearance (option) | +35/-37 mm[5] | — |
| Conveyor height from floor | 820 – 980 mm[5] | — |
| Working width (conveyor) | 45 – 580 mm[5] | — |
| Heating length | 3,700 mm[5] | — |
| Number of preheating zones | 7 top-side[2] | — |
| Number of peak zones | 3 top and bottom-side[2] | — |
| Noise level | < 70 dB (A)[5] | — |
| Configuration | — | Removed:[6] |
| Heated zones | — | 13[1] |
| Cool zones | — | 3[1] |
| Oven length | — | 5900 mm[1] |
| Maximum PCB width | — | 55.9 cm (22") / optional 61 cm[1] |
| Maximum working temperature | — | 350°C (optional 400°C)[1] |
| Process gas options | — | Air, Nitrogen[1] |
| Cleanroom option | — | Class 1000[1] |
| Equipment type | — | Reflow oven[7] |
| Make | — | Heller[7] |
| Model | — | 1913 MKIII[7] |
| Vintage | — | 2010[7] |
| Heated length (convection/total) | — | 3560 mm[1] |
| Max working temperature | — | 350°C standard; 400°C option[1] |
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