D-300-IH-Mechanical Timer
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- D-300-IH-Mechanical Timer

The GraLab Model 300 is a 60-minute mechanical timer commonly used in photography darkrooms and laboratory settings. It features a 6.5-inch luminous dial with large numerals and hands, allowing for easy readability in low-light conditions.
The timer is equipped with two hands, enabling precise settings by minutes, seconds, or a combination of both. Its nonconductive plastic case with rubber base pads offers protection against impact, chemicals, moisture, and electrical shock. Additionally, the Model 300 includes two outlets for automatic switching between an enlarger or printer and a safety light.
Model | D-300-IH |
Tank Size | 300 x 200 x 150 mm |
Basket Size | 250 x 150 x 90 mm |
Overall size | 460 x 350 x 420 mm |
Capacity | 9 Litres |
Tank and Enclosure Material | SS 304 |
Power Input | 230VAC |
Timer | 0-15 minutes mechanical timer |
Transducers | PZT Type bonded on bottom of the bank with weldbond technique |
Heater | 400 watts |
Temperature control | Thermostat |
Ultrasonic Power | 300 Watts |
Ultrasonic Generator | Solid state generator |
Accessories | SS Lid, SS basket, Operating Manual |
- Single Dunking Mechanism
- Dual Dunking Mechanism
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