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4. Working condition

(1). Environment temperature: +5

40

o

(2). Relative humidity: ≤85%RH 

(3). Atmospheric pressure: 86

106Kpa 

(4). Around without intense shaking, clearance is more than 50 cm. 

(5). There are not direct sunlight and heat radiation. 

(6). There is not a strong airflow blowing straight body. 

(7). There is not high concentration of dust and corrosive materials. 

5. Technical parameters

Model 

DVO-25 

DVO-53 

DVO-91 

DVO-215 

Power 

Voltage 

220V 

380V 

Power 

500W 

1400W 

1500W 

2100W 

Material 

Case 

Steel with epoxy powder coating 

Chamber  

Stainless Steel 

Temperature 

Heating 
method 

4-sided

4-sided or Shelf

Controller 

low proportional gain, LCD PID control 

Temp range 

RT to 250

(lower than 100

 when LED lights on) 

Temp 
accuracy 

0.1

 

Temp 
fluctuation 

±1

 

Timer range 

1-9999minutes

Vacuum 

Max vacuum 

≤133Pa

1mmHg

 

Vacuum 
gauge 

0 to -0.1Mpa(760mmHg to 10mmHg) 

Door gasket 

Silicone 

Safety 

Circuit breaker, overheat protector 

Size 

Capacity 

25L 

53L 

91L 

215L 

Содержание DVO Series

Страница 1: ...tion manual may make changes and improvement in the future there will be not the notice please understanding If found abnormal phenomenon in the process of use please do not hesitate to contact our co...

Страница 2: ...ts 1 Safety instruction 2 Application 3 Structure 4 Working condition 5 Technical parameters 6 Instrument operation 7 Display instructions 8 Wiring 9 Points for attention 10 Maintenance 11 Problem sol...

Страница 3: ...ull the plug 3 When the instrument is not used for long time must pull the plug 2 Application It is suitable for drying and heating articles in vacuum conditions in the laboratories of industrial and...

Страница 4: ...e has square workroom 1 Vacuum gauge 2 LED light switch 3 PID temperature controller 4 Power switch 5 Vacuum valve 6 Inert gas inlet valve 7 Observation window 8 Door handle 9 Leakage protection switc...

Страница 5: ...parameters Model DVO 25 DVO 53 DVO 91 DVO 215 Power Voltage 220V 380V Power 500W 1400W 1500W 2100W Material Case Steel with epoxy powder coating Chamber Stainless Steel Temperature Heating method 4 s...

Страница 6: ...ge 1 Put the articles need to be dried in the oven close the oven door and screw the handle close the return air valve and open the vacuum valve connect the airway at side of oven body with vacuum pum...

Страница 7: ...erature could not lower than 50 If it is lower than 50 the value measured by standard thermometer is different with the display value of meter that is normal It could not affect the temperature contro...

Страница 8: ...ructions 1 Function key SET 2 Shift key Press and hold for 5 seconds to self tuning 3 Minus key Sound attenuation 4 Plus key see heat preservation time 5 heating symbol 6 alarm symbol 7 set self adjus...

Страница 9: ...up time shows in minutes In case of power failure the previous timer is invalid When the caller calls start the timer from zero again 4 3 Time setting up function According to the first menu in Table...

Страница 10: ...nal belt 0 999 Heating rate 500 3 Integral 0 999 Integral time 150 4 Differential 0 999 Differential time 250 5 Period 0 120 Output time by second and the period is the differential 1 13 20 6 Sensor c...

Страница 11: ...8 Wiring 72 72 DFD SCR output Relay output Voltage output Zero crossing trigger...

Страница 12: ...Relay output Voltage output 48 48 DFG...

Страница 13: ...96 96 DFA...

Страница 14: ...it in the sir when the temperature cooling the lower then ignition point for acoiding the combustion from reaction 4 There is no emplosion protection equipment in the cacuum dry box Don t put the infl...

Страница 15: ...r is not switch on Switch on the power The temperature in the box isn t rising The setting temperature is low Adjust the setting temperature The electric heater is wrong Change heater The temperature...

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