The Yamato DG-840C is a 445 L glassware drying oven that pairs gentle low-temperature drying with forced-air circulation, an axial-flow exhaust fan, and a 15 W germicidal (sterilization) lamp for faster, cleaner turnaround of washed labware. It is the forced-convection member of the DG family: where the base DG-800C dries by natural convection, the Yamato DG-840C adds a fan, an air-intake filter, and UV sterilization so high-volume glass-wash areas can dry and store instruments in one cabinet. It is the 115 V unit; the 220 V sibling is the DG-850C.
Key Specifications
| Spec | Value |
| Model (focus) | Yamato DG-840C (DG-series, 445 L forced-convection variant) |
| Product type | Instrument / glassware drying oven with sterilization lamp |
| System | Natural / forced convection, axial-flow forced exhaust |
| Operating temperature range | Room temperature +5 °C to 70 °C |
| Germicidal (sterilization) lamp | 15 W × 1 |
| Air intake | Set air-suction filter |
| Interior material | Stainless steel |
| Exterior material | Cold-rolled steel plate with chemical-proofing coating |
| Heater | SUS pipe heater, 1.34 kW |
| Temp. controller | PID control by microprocessor, digital ▲/▼ setting |
| Display | Green 4-digit LED (measured) / red 4-digit LED (set) |
| Timer | 1 min–999 hr 50 min, with time-wait function |
| Operation modes | Fixed temperature, auto stop, auto start, quick auto stop |
| Sensor | K thermocouple (control) + liquid-expansion overheat controller |
| Safety | Self-diagnostics, independent overheat protector, overcurrent ELB, key lock, power-outage compensation |
| Observation window | Standard glass 3 mm, W250 × H700 mm |
| Internal dimensions (W×D×H) | 620 × 600 × 1195 mm |
| External dimensions (W×D×H) | 674 × 711 × 1618 mm |
| Internal capacity | 445 L |
| Shelf positions / load / pitch | 29 steps / 15 kg per shelf / 30 mm |
| Included shelves / brackets | 4 plates / 8 brackets, water receiving plate |
| Weight | Approx. 83 kg |
| Mobility | Mounted on casters |
| Power supply | AC115V, 50/60 Hz (US nominal 115 V) |
Application Profile
The DG-840C is built for the same low-temperature, high-throughput drying task as the rest of the DG line, but for labs that want the work done faster and under sterilizing UV. Forced convection with an axial-flow exhaust fan moves warm air through the 445 L chamber more aggressively than gravity flow, so densely racked beakers, flasks, pipettes, and instruments give up their water quickly; the air-intake filter keeps incoming air clean, and the 15 W germicidal lamp reduces surface bioburden on dried items that will be stored in the cabinet afterward.
Because the ceiling is a deliberate 70 °C, glassware dries without the thermal-shock and residue-baking risks of a high-temperature process oven — the goal is spot-free, uniform moisture removal, not heating. That low, uniform profile is exactly why glassware drying is treated as its own duty class separate from the DX/DVS process ovens (see oven-temperature-uniformity and laboratory-oven-selection). The forced-air fan and UV lamp make the DG-840C the right pick when a glass-wash station needs both speed and a hygienic hold for clean labware.
Frequently Asked Questions
What temperature range does the Yamato DG-840C reach? Room temperature +5 °C up to 70 °C — a low, drying-optimized range, not a high-temperature processing range.
What does the sterilization lamp do? A 15 W germicidal (UV) lamp reduces surface bioburden on dried glassware held in the cabinet; combined with the air-intake filter it supports clean drying and short-term storage of washed labware.
How is the DG-840C different from the DG-800C? Same 445 L, 70 °C glassware oven, but the DG-840C adds forced convection, an axial-flow exhaust fan, an air filter, and the germicidal lamp for faster, cleaner drying. The DG-800C is the natural-convection version.
How much glassware can it hold? The 445 L chamber supports 29 shelf positions at 30 mm pitch, each shelf rated 15 kg; four shelf plates and eight brackets ship standard along with a water receiving plate.
What voltage does it use? The DG-840C is the AC115V (US nominal 115 V) unit. The 220 V sibling is the DG-850C.
Ordering & Configuration
quote-based. The DG-840C is a capital glassware-drying oven sold through a quote. At quote we confirm 115 V service and plug, floor space for the 674 × 711 × 1618 mm cabinet, exhaust routing for the forced-air fan, and how many additional shelf plates your glassware volume needs. Warranty terms are confirmed with the quote, and lead time is provided at quotation. Request a quote to configure the DG-840C for your glass-wash area.
DG glassware-drying oven, by feature and voltage: DG-840C (this unit, 115 V) and DG-850C (220 V) are the forced-convection, sterilization-lamp version of the 445 L, 70 °C DG oven; DG-800C/810C are the natural-convection version. Choose the DG-840C when you want faster drying plus UV-sterilized storage in the glass-wash area; choose a DX/DVS process oven instead when the task is curing, drying, or heating above 70 °C.
