Photographic Darkroom Timer, Electron Microscopy Sciences
About this item
A new improved Model 300 Darkroom Timer shows minutes and seconds in total darkness.
- Two hands permit quick setting by seconds, minutes, or combinations of seconds and minutes
- Can be used with a relay for heavier loads
- Easy to read numerals on a large 6¹/₂" diameter face
- Luminated by phosphor fluorescence
The 60-minute time range can be set in minutes for developing and seconds for enlarging control. Two separate outlet receptacles control an enlarger or printer and safelight by a combination time/focus switch. Each outlet has a 750-watts capacity.
Input voltage is 100 to 130 VAC, 50 or 60 Hz (U.S. and Canada) and 210 to 250 VAC, 50 or 60 Hz for other countries.
2 Options Available Below
Product Details & Documents
A new improved Model 300 Darkroom Timer shows minutes and seconds in total darkness.
- Two hands permit quick setting by seconds, minutes, or combinations of seconds and minutes
- Can be used with a relay for heavier loads
- Easy to read numerals on a large 6¹/₂" diameter face
- Luminated by phosphor fluorescence
The 60-minute time range can be set in minutes for developing and seconds for enlarging control. Two separate outlet receptacles control an enlarger or printer and safelight by a combination time/focus switch. Each outlet has a 750-watts capacity.
Input voltage is 100 to 130 VAC, 50 or 60 Hz (U.S. and Canada) and 210 to 250 VAC, 50 or 60 Hz for other countries.
Product Family Options
Product Information
- ElectricalAvailabilityPrice
- 100494-010Darkroom timeroltSupplier Number: 74395-22
- 100502-128Photographic darkroom timerSupplier Number: 74395
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