Datascope Accutorr Plus - Pump Test (5); Bleed Rate Test (6 A, 6 B)

Accutorr Plus Service Manual 0070-10-0691 5 - 9
Calibration Service Diagnostics
5.5.7 Pump Test (5)
NOTE: 700 cc dummy cuff must be used.
Select Room Number 5 and press NIBP START key to activate the test.
This test evaluates the ability of the pump to pressurize a fixed volume representative of
an adult cuff to a typical adult pressure.
A fixed volume of 700 cc is pumped to a pressure of 300 mmHg. While the pump is
operational, the elapsed time is displayed in the Timer/Temperature display. When the
target pressure is reached, the elapsed time display holds its current reading and the pump
deflates the chamber for another test. The test passes if the chamber is inflated in less than
35 seconds. Pressing the DEFLATE key at any time during the test causes the NIBP
module to open all valves to release the pressure, clear the MAP display, and exit the test.
Pressing the DEFLATE key after the test is completed will clear the MAP display and
exit the test.
5.5.7.1 Bleed Rate Test (6a, 6b)
NOTE: 700 cc dummy cuff must be used.
Press the NIBP START key to activate the selected test. See Table 5-5 on page 5-9.
This test evaluates the ability of the instrument to maintain a constant bleed rate, for the
purpose of accurate and repeatable NIBP measurements. This test also evaluates the
ability of the system to reduce cuff pressure quickly.
A fixed volume of 700 cc is pumped to approximately 20 mmHg over the specified start
pressure (see Table 5-5 on page 5-9), then vented to atmosphere through one of two
different valves. During the test, the MAP display indicates the real-time system pressure
and the Timer/Temperature display indicates the elapsed time in seconds. When the stop
pressure is reached, the MAP display is blanked and the elapsed time displays the current
reading. Pressing the DEFLATE key deflates the chamber, clears the MAP display, and
exits the test. Each test is uniquely identified in the Patient Bed Letter Display as
described in Table 5-5 on page 5-9. The table identifies each test, the corresponding start
and stop pressures and required completion times.
Table 5-5
TEST
DESCRIPTION
START
PRESSURE
(MMHG)
STOP
PRESSURE
(MMHG)
TIME
(SEC.)
TEST
ROOM
NUMBER
SUB
TEST
PATIENT
BED
LETTER
Linear Bleed Valve
Tes t
180 60 15-25
secs.
6a
Dump Valve Test 250 20 14 sec.
max.
6b