Dark Room Timers
Time-O-Lite
GR-90 Series Push Button Start, Automatic Reset Enlarging Timer

GR-90 Series Timers

GR-90 Enlarging Timer

Push Button Start, Automatic Reset

The GR-90 Enlarging Timer incorporates an accurate synchronous motor drive coupled with a simplified automatic reset timing mechanism.  A toggle switch controls power to the load receptacle, permitting either timed or constant output.  Features include luminous dial, chemical-resistant plastic case, wall or table mounting and polarized three-wire line cord and receptacle.  750 watt load capacity.  UL listed and CSA approved.

Technical Specifications


Model

Volts

Freq
Max
Time
Dial
Calibration

Status
GR-90 120 VAC 60 Hertz 60 Scnds 1 Second Available *
* Check with factory for stock and delivery
* * *
M-72R Series Push Button Start, Automatic Reset Enlarging Timer

M-72R Timer
Same styling as GR-90

M-72R Timer

Push Button Start, Automatic Reset

The M72R is intended to provide fully automatic timing of all darkroom work.  Interval and remaining time indicators can be read at a glance from the luminous dial.  Linecord, enlarger, and safe-light outlets are polarized with a two wire ground connection.  The output capacity is a 750 watt load. The timer is UL listed and CSA approved for 120 vac 50 or 60 Hz only.

Technical Specifications


Model

Volts

Freq
Max
Time
Dial
Calibration

Status
M-72R 120 VAC 50Hz or 60Hz 60 Scnds 1 Second Available *
* Check with factory for stock and delivery
* * *
P-72 Series Push Button Start, Automatic Reset Professional Timer

P-72 Series Timers

FS65 Footswitch Accessory

FS65 Footswitch
Accessory

P-72 Professional Timer

Push Button Start, Automatic Reset

For exact, fully automatic timing of all darkroom work. Interval and remaining time indicators. Enlarger goes on and safelight goes out when push button is operated. Luminous dial. Linecord, enlarger and safelight outlets are polarized with a two wire and ground connection. Small receptacle accepts Model FS-65 footswitch (not included) for remote operation. Heavy duty synchronous motor. 1000 watt load capacity. UL listed, CSA approved.

Technical Specifications


Model

Volts

Frequency
Max
Time
Dial
Calibration

Status
P-72-60S 120 VAC 50Hz or 60Hz 60 Scnds 1 Second Available *
P-72-15S 120 VAC 50Hz or 60Hz 15 Scnds ΒΌ Second Available *
P-72-3M 120 VAC 50Hz or 60Hz 3 Mins 3 Scnds Available *
P-72-5M 120 VAC 50Hz or 60Hz 5 Mins 5 Scnds Available *
* Check with factory for stock and delivery
* * *