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High-Temperature Laboratory Drying Oven
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Laboratory High-Temperature Drying Oven
The HTO Series extends controlled laboratory drying and thermal processing into the high-temperature range, combining an LCD programmable controller, adjustable circulating-fan operation and a high-temperature ceramic-fiber door seal.
Eight references cover four chamber capacities from 50 L to 760 L. Each chamber size is available as an AH configuration rated up to 400 °C or a BH configuration rated up to 500 °C.
Key Features
Engineered for programmable high-temperature processing
400°C or 500°C Operation
Each chamber capacity is available in an AH configuration up to 400 °C or a BH configuration extending the maximum operating temperature to 500 °C.
LCD Programmable Controller
Seven programmable periods and up to 63 steps support repeatable multi-stage temperature and timing sequences.
Ceramic-Fiber Door Seal
High-temperature ceramic-fiber sealing is designed for prolonged operation at elevated chamber temperatures and long service life.
Adjustable Shelf Spacing
Two shelves are supplied as standard, with adjustable spacing to accommodate different laboratory loads and container heights.
Chamber Construction
Designed for elevated-temperature operation
The working chamber is manufactured from mirror-polished 304 stainless steel. Rounded internal corners simplify routine cleaning and maintenance by reducing sharp internal junctions.
A ceramic-fiber door seal is used for prolonged operation at elevated temperature, while adjustable shelf spacing allows the internal layout to be adapted to the height and geometry of the laboratory load.
Programmable Control
Multi-stage thermal cycles
The LCD programmable controller supports seven periods and up to 63 program steps. Each period can be configured with a duration from 0 to 5999 minutes, allowing multi-stage temperature and timing sequences to be programmed and repeated between batches.
Preset startup and shutdown functions are available, together with adjustable circulating-fan operation according to the required process.
Series Architecture
Four chamber sizes, two temperature ranges
All references use a 304 stainless-steel chamber, two shelves and AC 380 V / 50 Hz electrical supply. The selected reference defines the chamber capacity, maximum operating temperature and heating power.
AH Series
HTO 400°C
Volumes: 50 / 100 / 220 / 760 L
Chamber: 304 stainless steel
Shelves: 2, adjustable spacing
Electrical: AC 380 V / 50 Hz
BH Series
HTO 500°C
Volumes: 50 / 100 / 220 / 760 L
Chamber: 304 stainless steel
Shelves: 2, adjustable spacing
Electrical: AC 380 V / 50 Hz
References
Complete HTO Series
AH and BH configurations of the same chamber capacity share the same interior and exterior dimensions. They differ by maximum operating temperature and, depending on chamber size, heating power.
| Reference | Volume | Max. Temperature | Power | Shelves | Interior W × D × H | Exterior W × D × H |
|---|---|---|---|---|---|---|
| HTO-9050AH | 50 L | 400 °C | 3250 W | 2 | 350 × 350 × 400 mm | 890 × 700 × 920 mm |
| HTO-9050BH | 50 L | 500 °C | 4050 W | 2 | 350 × 350 × 400 mm | 890 × 700 × 920 mm |
| HTO-9100AH | 100 L | 400 °C | 4050 W | 2 | 450 × 450 × 450 mm | 990 × 790 × 990 mm |
| HTO-9100BH | 100 L | 500 °C | 4900 W | 2 | 450 × 450 × 450 mm | 990 × 790 × 990 mm |
| HTO-9200AH | 220 L | 400 °C | 4900 W | 2 | 600 × 600 × 600 mm | 1140 × 950 × 1140 mm |
| HTO-9200BH | 220 L | 500 °C | 6050 W | 2 | 600 × 600 × 600 mm | 1140 × 950 × 1140 mm |
| HTO-9760AH | 760 L | 400 °C | 8500 W | 2 | 980 × 1000 × 780 mm | 1324 × 1263 × 1770 mm |
| HTO-9760BH | 760 L | 500 °C | 8500 W | 2 | 980 × 1000 × 780 mm | 1324 × 1263 × 1770 mm |
Control and Regulation
Stability, programming and process repeatability
Specified temperature stability is ±0.5 °C, with a display resolution of 0.1 °C. The controller supports programmed thermal sequences and timing periods from 0 to 5999 minutes.
An independent over-temperature alarm system provides an additional temperature-monitoring function. Circulating-fan operation is adjustable according to the programmed process.
Spatial temperature uniformity is not specified for this series and should not be inferred from the temperature-stability specification. Where documented temperature distribution is required, temperature should be verified at the relevant sample position.
Technical Specifications
Common HTO Series Specifications
| Product type | Laboratory high-temperature drying oven |
|---|---|
| Electrical requirement | AC 380 V / 50 Hz |
| Controller | LCD programmable temperature controller |
| Programming | 7 periods / up to 63 steps |
| Temperature range — AH | RT +20 to 400 °C |
| Temperature range — BH | RT +20 to 500 °C |
| Display resolution | 0.1 °C |
| Temperature stability | ±0.5 °C |
| Timing range | 0–5999 min per period |
| Ambient operating temperature | +5 to +40 °C |
| Chamber material | 304 stainless steel, mirror-polished |
| Internal chamber geometry | Rounded internal corners |
| Shelves | 2 shelves, adjustable spacing |
| Door sealing | High-temperature ceramic-fiber seal |
| Circulating fan | Adjustable operation |
| Preset operation | Programmable startup and shutdown timing |
| Over-temperature protection | Independent over-temperature alarm system |
Typical Applications
High-temperature laboratory and research workflows
High-Temperature Drying
Controlled desiccation and thermal conditioning of compatible laboratory materials and specimens requiring elevated processing temperatures.
Programmed Thermal Treatment
Multi-stage processing of compatible materials using repeatable temperature and timing sequences defined through the programmable controller.
Torrefaction and Wax Melting
Controlled thermal treatment, wax melting and conditioning according to the required chamber temperature and process duration.
Dry-Heat Sterilisation
Dry-heat sterilisation of compatible laboratory equipment and materials using controlled temperature and programmed cycle duration.
Options
Data recording and communication
The following options are available on request and should be specified with the required oven configuration.
Micro Printer
Optional micro printer for local process-data recording.
RS485 Communication
Optional RS485 interface for connection to compatible computer-based monitoring or data-acquisition systems.
Installation
Planning electrical supply and installation space
All HTO references require AC 380 V / 50 Hz electrical supply. Rated power ranges from 3250 W to 8500 W depending on the selected reference, so the installation circuit should be confirmed before ordering.
Exterior dimensions range up to 1324 × 1263 × 1770 mm for the 760 L configuration. Available installation space, equipment access and suitable clearance around the oven should therefore be considered when selecting the required chamber capacity.
Reference selection. Chamber volume alone does not define the configuration. Each chamber capacity is available as an AH reference rated up to 400 °C and a BH reference rated up to 500 °C. The AH and BH versions share the same chamber dimensions but may differ in heating power. Select the reference according to required chamber volume, temperature range, rated power and installation requirements.
Temperature-performance note. The specified ±0.5 °C value refers to temperature stability. Spatial temperature uniformity is not specified for this series and should not be inferred from the stability specification.
Application and safety note. No explosion-proof or ATEX rating is specified for this series. Material compatibility and suitability for the selected processing temperature should be evaluated according to the intended laboratory application.
Laboratory High-Temperature Drying Oven
The HTO Series extends controlled laboratory drying and thermal processing into the high-temperature range, combining an LCD programmable controller, adjustable circulating-fan operation and a high-temperature ceramic-fiber door seal.
Eight references cover four chamber capacities from 50 L to 760 L. Each chamber size is available as an AH configuration rated up to 400 °C or a BH configuration rated up to 500 °C.
Key Features
Engineered for programmable high-temperature processing
400°C or 500°C Operation
Each chamber capacity is available in an AH configuration up to 400 °C or a BH configuration extending the maximum operating temperature to 500 °C.
LCD Programmable Controller
Seven programmable periods and up to 63 steps support repeatable multi-stage temperature and timing sequences.
Ceramic-Fiber Door Seal
High-temperature ceramic-fiber sealing is designed for prolonged operation at elevated chamber temperatures and long service life.
Adjustable Shelf Spacing
Two shelves are supplied as standard, with adjustable spacing to accommodate different laboratory loads and container heights.
Chamber Construction
Designed for elevated-temperature operation
The working chamber is manufactured from mirror-polished 304 stainless steel. Rounded internal corners simplify routine cleaning and maintenance by reducing sharp internal junctions.
A ceramic-fiber door seal is used for prolonged operation at elevated temperature, while adjustable shelf spacing allows the internal layout to be adapted to the height and geometry of the laboratory load.
Programmable Control
Multi-stage thermal cycles
The LCD programmable controller supports seven periods and up to 63 program steps. Each period can be configured with a duration from 0 to 5999 minutes, allowing multi-stage temperature and timing sequences to be programmed and repeated between batches.
Preset startup and shutdown functions are available, together with adjustable circulating-fan operation according to the required process.
Series Architecture
Four chamber sizes, two temperature ranges
All references use a 304 stainless-steel chamber, two shelves and AC 380 V / 50 Hz electrical supply. The selected reference defines the chamber capacity, maximum operating temperature and heating power.
AH Series
HTO 400°C
Volumes: 50 / 100 / 220 / 760 L
Chamber: 304 stainless steel
Shelves: 2, adjustable spacing
Electrical: AC 380 V / 50 Hz
BH Series
HTO 500°C
Volumes: 50 / 100 / 220 / 760 L
Chamber: 304 stainless steel
Shelves: 2, adjustable spacing
Electrical: AC 380 V / 50 Hz
References
Complete HTO Series
AH and BH configurations of the same chamber capacity share the same interior and exterior dimensions. They differ by maximum operating temperature and, depending on chamber size, heating power.
| Reference | Volume | Max. Temperature | Power | Shelves | Interior W × D × H | Exterior W × D × H |
|---|---|---|---|---|---|---|
| HTO-9050AH | 50 L | 400 °C | 3250 W | 2 | 350 × 350 × 400 mm | 890 × 700 × 920 mm |
| HTO-9050BH | 50 L | 500 °C | 4050 W | 2 | 350 × 350 × 400 mm | 890 × 700 × 920 mm |
| HTO-9100AH | 100 L | 400 °C | 4050 W | 2 | 450 × 450 × 450 mm | 990 × 790 × 990 mm |
| HTO-9100BH | 100 L | 500 °C | 4900 W | 2 | 450 × 450 × 450 mm | 990 × 790 × 990 mm |
| HTO-9200AH | 220 L | 400 °C | 4900 W | 2 | 600 × 600 × 600 mm | 1140 × 950 × 1140 mm |
| HTO-9200BH | 220 L | 500 °C | 6050 W | 2 | 600 × 600 × 600 mm | 1140 × 950 × 1140 mm |
| HTO-9760AH | 760 L | 400 °C | 8500 W | 2 | 980 × 1000 × 780 mm | 1324 × 1263 × 1770 mm |
| HTO-9760BH | 760 L | 500 °C | 8500 W | 2 | 980 × 1000 × 780 mm | 1324 × 1263 × 1770 mm |
Control and Regulation
Stability, programming and process repeatability
Specified temperature stability is ±0.5 °C, with a display resolution of 0.1 °C. The controller supports programmed thermal sequences and timing periods from 0 to 5999 minutes.
An independent over-temperature alarm system provides an additional temperature-monitoring function. Circulating-fan operation is adjustable according to the programmed process.
Spatial temperature uniformity is not specified for this series and should not be inferred from the temperature-stability specification. Where documented temperature distribution is required, temperature should be verified at the relevant sample position.
Technical Specifications
Common HTO Series Specifications
| Product type | Laboratory high-temperature drying oven |
|---|---|
| Electrical requirement | AC 380 V / 50 Hz |
| Controller | LCD programmable temperature controller |
| Programming | 7 periods / up to 63 steps |
| Temperature range — AH | RT +20 to 400 °C |
| Temperature range — BH | RT +20 to 500 °C |
| Display resolution | 0.1 °C |
| Temperature stability | ±0.5 °C |
| Timing range | 0–5999 min per period |
| Ambient operating temperature | +5 to +40 °C |
| Chamber material | 304 stainless steel, mirror-polished |
| Internal chamber geometry | Rounded internal corners |
| Shelves | 2 shelves, adjustable spacing |
| Door sealing | High-temperature ceramic-fiber seal |
| Circulating fan | Adjustable operation |
| Preset operation | Programmable startup and shutdown timing |
| Over-temperature protection | Independent over-temperature alarm system |
Typical Applications
High-temperature laboratory and research workflows
High-Temperature Drying
Controlled desiccation and thermal conditioning of compatible laboratory materials and specimens requiring elevated processing temperatures.
Programmed Thermal Treatment
Multi-stage processing of compatible materials using repeatable temperature and timing sequences defined through the programmable controller.
Torrefaction and Wax Melting
Controlled thermal treatment, wax melting and conditioning according to the required chamber temperature and process duration.
Dry-Heat Sterilisation
Dry-heat sterilisation of compatible laboratory equipment and materials using controlled temperature and programmed cycle duration.
Options
Data recording and communication
The following options are available on request and should be specified with the required oven configuration.
Micro Printer
Optional micro printer for local process-data recording.
RS485 Communication
Optional RS485 interface for connection to compatible computer-based monitoring or data-acquisition systems.
Installation
Planning electrical supply and installation space
All HTO references require AC 380 V / 50 Hz electrical supply. Rated power ranges from 3250 W to 8500 W depending on the selected reference, so the installation circuit should be confirmed before ordering.
Exterior dimensions range up to 1324 × 1263 × 1770 mm for the 760 L configuration. Available installation space, equipment access and suitable clearance around the oven should therefore be considered when selecting the required chamber capacity.
Reference selection. Chamber volume alone does not define the configuration. Each chamber capacity is available as an AH reference rated up to 400 °C and a BH reference rated up to 500 °C. The AH and BH versions share the same chamber dimensions but may differ in heating power. Select the reference according to required chamber volume, temperature range, rated power and installation requirements.
Temperature-performance note. The specified ±0.5 °C value refers to temperature stability. Spatial temperature uniformity is not specified for this series and should not be inferred from the stability specification.
Application and safety note. No explosion-proof or ATEX rating is specified for this series. Material compatibility and suitability for the selected processing temperature should be evaluated according to the intended laboratory application.
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