Mwongozo wa Mtumiaji wa Corning PC-620D Stirring Hot Bamba

1. Utangulizi

This manual provides essential information for the safe and effective operation, maintenance, and troubleshooting of your Corning PC-620D Stirring Hot Plate. The PC-620D is a laboratory instrument designed for precise temperature control and stirring of various solutions, featuring a durable Pyroceram top and digital displays for both temperature and stirring speed.

Corning PC-620D Stirring Hot Plate with digital displays for temperature and RPM, and control knobs for stir and heat.

Figure 1: Corning PC-620D Stirring Hot Plate. This image shows the hot plate from an angled front view, highlighting the white Pyroceram top, the gray base, and the control panel with digital readouts for stirring speed (RPM) and temperature (Celsius), along with the 'Stir' and 'Heat' control knobs.

2. Taarifa za Usalama

Always observe the following safety precautions to prevent injury and damage to the instrument:

Uso wa Moto: The top surface can reach high temperatures. Always allow the unit to cool completely before touching or moving. A "HOT TOP" indicator light will illuminate when the surface temperature exceeds 60°C (140°F).
Usalama wa Umeme: Connect the unit only to a properly grounded electrical outlet with the specified voltage (120V/60Hz). Do not operate with a damaged power cord.
Uingizaji hewa: Hakikisha kuna uingizaji hewa wa kutosha kuzunguka kitengo ili kuzuia joto kupita kiasi.
Kumwagika: In case of spills, immediately disconnect the power and clean the unit carefully after it has cooled. Avoid liquid ingress into the internal components.
Vifaa vya Kinga ya Kibinafsi: Always wear appropriate personal protective equipment (e.g., heat-resistant gloves, eye protection) when operating the hot plate.
Matumizi Yanayokusudiwa: Use the hot plate only for its intended laboratory heating and stirring applications. Do not use for heating flammable or explosive materials without proper safety protocols.

3. Ni nini kwenye Sanduku

Baada ya kufungua, hakikisha kwamba bidhaa ifuatayo ipo:

One (1) Corning PC-620D Stirring Hot Plate

If any components are missing or damaged, contact your supplier immediately.

4. Kuweka

Uwekaji: Place the hot plate on a stable, level, and heat-resistant surface away from flammable materials. Ensure there is sufficient clearance around the unit for air circulation.
Muunganisho wa Nishati: Connect the power cord to the back of the hot plate and then plug the three-prong plug into a grounded 120V/60Hz electrical outlet.
Ukaguzi wa Awali: Before first use, inspect the unit for any visible damage from shipping.

5. Uendeshaji

5.1 Vidhibiti na Viashiria

Kiashiria cha NGUVU: Green light illuminates when the unit is powered on.
STIR Knob: Controls the stirring speed from 60 to 1150 RPM. Turn clockwise to increase speed.
STIR RPM Display: Digital LED display shows the current stirring speed in RPM.
HEAT Knob: Controls the heating temperature from 5°C to 550°C. Turn clockwise to increase temperature.
TEMPERATURE Display: Digital LED display shows the set temperature in Celsius. It blinks until the set temperature is reached.
HOT TOP Indicator: Red light illuminates when the top surface temperature exceeds 60°C (140°F), even if the heat function is turned off.

5.2 Stirring Function

Place a suitable stir bar into your vessel (e.g., beaker, flask) containing the solution.
Place the vessel centrally on the Pyroceram top.
Turn the STIR knob clockwise to the desired RPM. The digital display will show the set speed.
Adjust the speed as needed for optimal mixing without splashing.
To stop stirring, turn the STIR knob counter-clockwise to the "Off" position.

5.3 Kazi ya Kupokanzwa

Place your vessel containing the sample on the Pyroceram top.
Turn the HEAT knob clockwise to the desired temperature. The digital display will show the set temperature in 5°C increments.
The temperature display will blink until the set temperature is reached, then it will remain steady.
Monitor the HOT TOP indicator. It will remain lit as long as the surface temperature is above 60°C, even after the heat is turned off.
To turn off heating, turn the HEAT knob counter-clockwise to the "Off" position. Allow the unit to cool down naturally.

6. Matengenezo na Matunzo

Kusafisha: Disconnect the power cord and allow the unit to cool completely before cleaning. Wipe the Pyroceram top and housing with a damp kitambaa na sabuni kali. Usitumie visafishaji vya abrasive au vimumunyisho.
Kumwagika: Clean spills immediately to prevent residue buildup. For chemical spills, refer to appropriate safety data sheets for cleaning procedures.
Hifadhi: Store the hot plate in a clean, dry environment when not in use.
Ukaguzi: Kagua waya wa umeme mara kwa mara kwa dalili zozote za uharibifu.

7. Utatuzi wa shida

Tatizo	Sababu inayowezekana	Suluhisho
Kitengo hakiwashi.	No power to outlet; power cord disconnected or damaged.	Check power outlet; ensure power cord is securely connected and undamaged.
No stirring action.	Stir knob is off; stir bar not present or not coupled.	Turn stir knob to desired RPM; ensure stir bar is in vessel and centered.
Hakuna inapokanzwa.	Heat knob is off; temperature set too low.	Turn heat knob to desired temperature; increase set temperature.
Temperature display blinking.	Unit has not reached set temperature.	This is normal operation. Wait for the unit to reach the set temperature.

8. Vipimo

Kigezo	Thamani
Nambari ya Mfano	6795-620D
Nyenzo ya Sahani ya Juu	Pyroceram Glass-Ceramic
Vipimo vya Sahani za Juu	Inchi 10 x 10 (cm 25.4 x 25.4)
Kiwango cha Joto	5°C hadi 550°C (41°F hadi 1022°F)
Ongezeko la Joto	5°C
Stirring Speed Range	60 hadi 1150 RPM
Mahitaji ya Umeme	120V/60Hz
Vipimo vya Jumla (L x W x H)	Inchi 19 x 18 x 8
Uzito	Pauni 11.46
Vyeti	UL, cUL Approved

9. Udhamini na Msaada

The Corning PC-620D Stirring Hot Plate comes with a dhamana ya mwaka 2 from the date of purchase, covering defects in materials and workmanship under normal use. For warranty claims, technical support, or service inquiries, please contact Corning customer service or your authorized distributor.

Please have your model number (6795-620D) and purchase information ready when contacting support.

	Sahani za Moto za Corning, Visisitio, na Mwongozo wa Maagizo wa Stirrer/Hot Plates Mwongozo wa maagizo ya sahani za joto za Corning, vichochezi, na vichochezi/sahani moto zenye vionyesho vya dijitali, na Kidhibiti Joto cha 6795PR. Inajumuisha maagizo ya uendeshaji, maelezo ya usalama, vipimo vya kiufundi na maelezo ya udhamini.
	Sahani za Moto za Corning, Visisitio, na Mwongozo wa Maagizo ya Sahani za Moto (120V) Mwongozo wa kina wa maagizo ya Sahani za Moto za 120V za Corning, Stirrers, na Stirrer/Hot Plates (PC-200, PC-400, PC-600 mfululizo). Inashughulikia habari ya jumla, uendeshaji, matengenezo, vipimo, na usalama.
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Corning 6795-620D