GE Mac1200 ECG machine Thermal Print head SHEC N216-8E-SHG(H)1 910 22139054

►Brief Introduction

The print head controller takes on the complete control of the 216-mm thermal Print head with a line width of 200 mm.

The output rate to the print head is 1000 /sec. The resolution in the Y-direction is 8 dot/mm, in the X- time axis up to 40 dots/mm.

►Quick Details

► Thermal Print head Temperature Monitoring:

The thermal print head temperature monitoring measures the temperature of the theorist, located on the print head. A constant current source effects a temperature-dependent voltage drop.

If a print head temperature of 55°C is exceeded, the signal REC_OVHEAT_ is activated and the heating of the print head is prevented by disabling the signal STROBE.

Only when the print head temperature drops below 50°C is the signal REC_OVHEAT_ disabled and the heating via the signal STROBE re-enabled.

In addition, a continuous reduction of the heating duration occurs with increasing print head temperature, resulting in a regular typeface throughout the entire temperature range.

► Recording

Direct recording of wave forms and alPHiliphhilipanumeric characters with rectangular coordinates by means of thermal-array print head printing on thermos sensitive paper.

• 3 or 6 recording channels, or 12 in 12 Lead Mode, overlapping
• Baseline pitch 3 channels: 62 mm (arrhythmia), 6 channels: 31 mm (6 Lead), 12 channels: 16 mm (12 Lead.)
• Writing width 200 mm max.
• Annotation of recorder settings, date, time and entered patient name in the margin of the recording strip
• With appropriate software, documentation of analysis results in the respective operating mode
• Resolution of the recording:

vertical 8 dots/mm

horizontal 25 µm at 25 mm/s

In the presence of very strong AC line interference in all leads, the thermal print head may interrupt the recording. Activate the AC line filter (50Hz/60Hz) in these situations.

► FAQ

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