Seca 634_635 NEC2 Service Manual

Seca 634 Platform and bariatric scales

This battery-operated digital scale has been especially developed for weighing obese users, with a weighing range of up to 360 kg and a non-slip 56 x 56 cm platform, only 5.5 cm high– a sturdy base for overweight or obese users. A chair may also be used on the scale and will not influence the weighing result due to the pre-TARE function. The cable remote display (cable length: 2.5 m) with easy-to-read LCD can be held, wall-mounted or placed on a table. The 100 g graduation means that the smallest changes in weight are registered, even after the user has left the scale – thanks to the auto-HOLD function. The integrated Body Mass Index (BMI) function and the seca 360° wireless technology, which can be used to transmit the measurements to a seca wireless printer or PC at the push of a button emphasises the many uses of this unique multi-functional scale.

Technical Data Seca 634_635_NEC2

Capacity: 360 kg
Graduation (g): 50 g
Power supply: Battery, Power adapter
Measure (W x H x D): 640 x 53 x 600 mm
Net weight: 14,4 kg
Functions and Properties: PRINT, Overload protection, Auto-PRINT, Transport custors, TARE, Auto-clear, Pre-TARE, HOLD, Auto-HOLD, BMI, kg/lbs/sts switch-over, Automatic switch-off, Wireless interface, SEND, RESET, Damping, Auto-SEND
CE: CE 0123


These service instructions are intended for specialist staff responsible for maintenance and repair of the devices. These persons must be familiar with all the relevant electro-technical regulations and must adhere to them any time. These instructions are not suitable for users without specialist knowledge. These instructions describe how to service the devices [374| 376| 378| 634| 635| 644| 645| 656| 657| 664| 665| 674| 675| 676| 677| 684| 685| 703|
704|264|274|284|285|954|957|959|963]equipped with NEC2 electronic modules.

The device types for which these instructions apply are listed in the section headings. There are some identical models with NEC1 electronic modules. These instructions are not valid for those types. What is the structure of this document and how should you read it? Section 1 provides a short overview of the most important points for service.

We recommend you should read it completely. Section 2 deals with the maintenance of the devices, i.e. work that may have to be carried out more frequently. This section can be read as and when required. Troubleshooting is covered in section 4, where you find detailed descriptions of various measurements intended to identify specific errors. Starting point for troubleshooting is section 3, which includes an overview of error descriptions and the inspection steps required to identify them.

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Seca 634 Service Manual



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