We are open for business and following current LA County DOPH & CDC guidelines. Come on In! Masks are optional. **Please note: Product listings represent stock availability at our Santa Fe Springs Location & for Shipping. Due to increased shipping demand, all carriers are reporting longer than normal shipping delivery times. To check stock for purchase in our Hollywood Retail Store, please call 323-284-4321.
Click Image For Larger View
Related Images:

CatLABS Tank Top Timer

Model: 902306
Manufacturer: CatLABS

In Stock

The CatLABS Tank Top Timer is a convenient small-sized temperature-compensating timer designed to be fitted to any developing tank cap.It functions as a stopwatch, starting when the button is pressed and countingup until the button is pressed again.

The rate at which the timer runs is dependent on the measured temperature, and in this way provides accurate compensation for changes in developer temperature.

The timer can also be used as an accurate digital tank thermometer, measuring to a resolution of 0.1 °C.


• Implements “Ilford” time-temperature tables
• Water and photo chemistry resistant
• Suitable for inversion agitation
• Precision stainless steel sensor
• User adjustable metronome sound function
• LCD display of time or temperature
• Temperature display in °C or °F
• 0.1°C resolution display
• Timing 0 to 1 hour in 1s resolution
• Ultra-low power consumption electronics – typical battery
life approximately 5 years


• CatLABS Tank Top Timer
• Fast action drill bit
• CR2032 coin cell battery
• Detailed manual