1. Úvod
This manual provides comprehensive instructions for the safe and efficient operation of the Cole Parmer Digi-Sense Model 2186-20 Temperature Controller. Please read this manual thoroughly before operating the device to ensure proper usage and to prevent damage or injury.
Obrázek 1: Přední strana view of the Digi-Sense Model 2186-20 Temperature Controller, showing the digital display, control knobs, and indicator lights.
2. Nastavení
Before initial use, ensure the temperature controller is placed on a stable, level surface with adequate ventilation. Keep the unit away from direct sunlight, excessive heat, or moisture.
2.1 Připojení napájení
- Ujistěte se, že je vypínač na předním panelu v poloze VYPNUTO pozice.
- Connect the provided power cord to the power input on the rear of the unit.
- Plug the other end of the power cord into a grounded electrical outlet (115 VAC, 12 AMP, 20 AMP Peak).
2.2 Připojení snímače
The unit supports Thermistor and RTD sensors. Ensure you connect the correct type of sensor to the corresponding input jack on the front panel.
- Thermistor Input: Connect your thermistor probe to the "THERMISTOR" jack.
- RTD Input: Connect your RTD probe to the "RTD" jack.
2.3 Načíst připojení
Connect the device you wish to control (e.g., heater, cooler) to the "LOAD" output receptacle on the rear of the unit.
Obrázek 2: Zadní view of the temperature controller, showing the power input, load output, and fuse holder.
3. Návod k obsluze
3.1 Zapnutí/vypnutí
- To power on the unit, flip the POWER ON/OFF přepnout na ON position. The digital display will illuminate.
- To power off, flip the switch to the VYPNUTO pozice.
3.2 Nastavení teploty
- The large digital display shows the current measured temperature.
- To set the desired temperature, use the UPRAVIT knob located under "TEMPERATURE SET".
- Rotate the knob clockwise to increase the set temperature and counter-clockwise to decrease it.
- The display will temporarily show the set temperature as you adjust the knob.
3.3 Selecting Temperature Units (°C/°F)
- Stiskněte tlačítko SELECT °C/°F button to toggle between Celsius (°C) and Fahrenheit (°F) temperature readings. The corresponding LED indicator will light up.
3.4 Kontrolky
Observe the following indicator lights on the front panel:
- HEATER ON: Illuminates when the heating element connected to the LOAD output is active.
- OPEN SENSOR: Indicates a disconnected or faulty sensor.
- COOL/OVER TEMP: Illuminates when the unit is cooling or if the temperature exceeds a safe limit.
- OVER TEMP: Indicates the measured temperature is above the set point.
- PROP RANGE: Indicates the unit is operating within the proportional control range.
- PROP OFFSET: Indicates a proportional offset is active.
Obrázek 3: Detailní view of the front panel, highlighting the digital display, temperature set knob, and various indicator lights.
4. Údržba
Regular maintenance ensures the longevity and accuracy of your temperature controller.
4.1 Čištění
- Před čištěním vždy odpojte přístroj od napájení.
- Vnější povrchy otřete měkkým, damp tkanina. Nepoužívejte abrazivní čisticí prostředky nebo rozpouštědla.
- Ensure no liquid enters the unit.
4.2 Výměna pojistky
If the unit fails to power on, check the fuse located on the rear panel. Replace with a fuse of the same type and rating: .25 AMP SLO-BLO 250 V.
Figure 4: Close-up of the rear panel, showing the fuse holder and model information.
5. Řešení problémů
| Problém | Možná příčina | Řešení |
|---|---|---|
| Jednotka se nezapne. | No power from outlet; Blown fuse; Loose power cord. | Check power outlet; Replace fuse (.25 AMP SLO-BLO 250 V); Ensure power cord is securely connected. |
| "OPEN SENSOR" indicator is lit. | Sensor not connected; Faulty sensor; Incorrect sensor type. | Connect sensor securely; Test sensor; Ensure correct sensor (Thermistor/RTD) is used. |
| Odečet teploty je nepřesný. | Sensor not properly placed; Sensor calibration needed. | Ensure sensor is in good thermal contact; Refer to manufacturer for calibration procedures. |
| Load (heater/cooler) not activating. | Load not connected; Set temperature not reached; Faulty load. | Check load connection; Adjust set temperature; Test load device independently. |
6. Specifikace
- Model: 2186-20
- MPN: 2186-20
- Výrobce: Generic (Mfg. By Barnard Co., Barrington, IL 60010 USA)
- Příkon: 115 V stř., 12 AMP, 20 AMP Vrchol
- pojistka: .25 AMP SLO-BLO 250 V
- Vstupy senzorů: Thermistor, RTD
- Datum první dostupnosti: 15. února 2019
7. Záruka a podpora
For specific warranty information and technical support, please refer to the documentation provided with your purchase or contact the manufacturer directly. As this product is listed under a "Generic" brand, it is recommended to contact the original manufacturer, Barnard Co., for detailed support.
Manufacturer details found on the unit: Mfg. By Barnard Co., Barrington, IL 60010 USA.