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Fresenius 2008
®
K Calibration Procedures
P/N 507296 Rev D
1.1 TEST EQUIPMENT NEEDED
The following supplies and test equipment are required to perform the calibration
procedures.
Warning! Test equipment must be maintained and/or calibrated per the test
equipment manufacturer’s requirements. In particular, the dialysate meter must
meet the specifications listed below. Refer to the test equipment's' operator's
manual, or contact the manufacturer for calibration and maintenance requirements.
Failure to properly maintain and calibrate test equipment could lead to improper
calibration and/or failure of the device to meet its specifications.
Fresenius Test Kit (Fresenius part number 150034), which contains two
gauges with fittings and hoses for measuring loading pressure and
deaeration pressure.
Fresenius test connectors containing precision resistors that simulate the
thermistor resistance at various temperatures (Fresenius part number 190060).
Dialysate meter to measure dialysate pressure, temperature and conductivity
at the ends of the dialysate lines. The meter must be capable of making
pressure measurements of from -250 mmHg to +400 mmHg with an
accuracy of at least ±2 mmHg up to ±200 mmHg and an accuracy of at least
1% and ±1 mmHg beyond ±200 mmHg. The temperature function of this
meter must be accurate within 0.2°C from 20°C to 45°C and must be
capable of measuring dialysate temperatures up to 85°C with an accuracy of
at least ±4.0°C. The conductivity function of this meter must be accurate to
within 0.1 mS over a range of 12 mS to 17 mS at a temperature of 25°C.
Stopwatch with a resolution to 0.01 second and an accuracy of 0.01% or
better.
Fresenius Buret, 25ml capacity with 0.1ml graduations (Fresenius part
number 290104).
Graduated cylinder: 100ml capacity with a tolerance of 0.60ml at 100ml or
better.
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