H. Kuhnke Ltd, Romsey, UK
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The Timer and Counter Company

Electromechanical Timers & Counters > Hengstler 633 & 891 low cost Series

These are miniture 7 digit hour counters displaying 0..99999.99h. The 633 models are 5-24V DC, either PCB or panel mount.

The 891 series are for AC and other voltages, are panel mount, and require a seperate mounting frame or bezel (there are 6 to choose from).

All these products are non-reset. Note that the last 2 digits displayed are white, for clarity.

As with most Hengstler series the range is more extensive than the products that we list here. The 633 counter has a DIN rail mounting version, and AC supply versions. The 891 series complete includes 5 different AC versions, 3 ranges for DC and 6 different types of bezel. For a complete list of available Hengstler miniture hour counters please contact The Timer and Counter Company

PDF Datasheets
633 & 891 low cost Series	45kb

Features

• 7 digit hours display
• 0.01 hour resolution
• PCB 5-24V DC versions
• Miniture
• None reset
• Start up disable function on 633
• -10..+50 or 60°C
• 4mm display(633) 5mm (691)

Data Specifications
633 PCB h,w,d	14mm,25mm,31mm
891 Panel Cut Out	22mm x 48mm
891 Bezels	Selection of 6
Digit heights	4mm (633) 5mm (891)
Reset	None
633 Temp	-10..+60°C
891 Temp	-10..+50°C

Part Numbers
633.031	5V DC PCB IP65 solder pins
633.032	12V DC PCB IP65 solder pins
633.033	24V DC PCB IP65 solder pins
633.831	5V DC panel solder pins
633.832	12V DC panel solder pins
633.833	24V DC panel solder pins
891.607	115V AC panel 50Hz spring fit clip IP66
891.606	230V AC panel 50Hz spring fit clip IP66