Explosion-proof precision constant temperature chamber

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Explosion-proof precision constant temperature chamber
Explosion-Proof Precision Constant Temperature Chamber – forced-air circulation with pressure relief safety door (explosion vent), door interlock mechanism, and explosion detection switch. 3-segment PID, 30-step programmable operation, SSR drive. Capacities 91L/216L, max 260°C (DF) or 360°C (DH). AC220V. Ideal for hazardous sample testing.
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Product NameExplosion-proof precision constant temperature chamber
Weight1.000000
Technical Data
SpecificationDF411SCDF611SCDH411SCDH611SC
SystemForced-air circulation + ventilation
Temp. control rangeRT+10~260°CRT+10~260°CRT+10~360°CRT+10~360°C
GB standard — temp. fluctuation±0.2°C (at 260°C)±0.3°C (at 360°C)
GB standard — temp. deviation±2°C (at 100°C), ±3°C (at 200°C), ±4°C (at 260°C)±2°C (at 100°C), ±3°C (at 200°C), ±4°C (at 300°C), ±5°C (at 360°C)
JTM standard — temp. control accuracy±0.1°C (at 260°C)±0.2°C (at 360°C)
JTM standard — temp. distribution accuracy±2.5°C (at 260°C)±3.0°C (at 360°C)
Time to max temp.~60 min (to 260°C)~80 min (to 360°C)
InteriorStainless steel plate
ExteriorCold-rolled steel plate, chemical-resistant baked coating
InsulationGlass fiberGlass fiberRock woolRock wool
HeaterFinned stainless steel heating tube
Heater capacity2.1kW3.0kW2.7kW3.75kW
Blower fan/motorAxial flow fan, motor 20W×1
Cable holeφ30mm (rear)
Special safety mechanismsPressure relief safety door (explosion vent) + exhaust damper (manual)
Door interlockDoor lock mechanism — operation only possible when door locked
Explosion detectionExplosion detection switch in chamber — interrupts operation when triggered
Temp. control method3-segment PID control
Temp. setting methodDedicated operation function menu key + ▲▼ keys, digital setting
Temp. displayMeasured temp: Green 4-digit LED / Set temp: Red 4-digit LED
Timer1min~99hr59min & 100~999hr50min (with timer wait function)
Operation modesConstant value, program, auto-stop, auto-start
Program mode3-segment 30-step (30 steps×1 / 15 steps×2 / 10 steps×3)
Additional functionsCalibration offset, key lock, power outage compensation
Heater circuit controlSSR drive
SensorK-type thermocouple (temp. control + over-temp protection)
Safety devicesSelf-diagnostic circuit (temp. sensor abnormality, heater wire break, auto over-temp prevention, SSR short-circuit), over-temp protector, overcurrent leakage protection switch, key lock, pressure relief safety door (explosion vent), explosion detection switch
Internal dims (W×D×H)450×450×450mm600×600×600mm450×450×450mm600×600×600mm
External dims (W×D×H)1050×630×1250mm1200×780×1400mm1050×630×1250mm1200×780×1400mm
Internal capacity91L216L91L216L
Shelf load capacity30kg/level
Shelf levels/pitch9 levels/45mm9 levels/60mm9 levels/45mm9 levels/60mm
Power source (50/60Hz)AC220V, 10AAC220V, 14AAC220V, 13AAC220V, 17.5A
Weight~78kg~109kg~78kg~109kg
Shelf boards (SS wire)2 pieces3 pieces2 pieces3 pieces
Shelf brackets4 pieces6 pieces4 pieces6 pieces
Optional standOP42COP62COP42COP62C
Other optionsShelf board (1 board incl. 2 brackets), cable hole (30/50mm), mini printer, recorder, combined alarm lamp (standby/running/fault), observation window, external communication (RS485), temp. output terminal (4-20mA), external alarm output terminal, time-up output terminal, centralized monitoring software, touchscreen controller
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