Mindray BS-120 Service Manual

7 Service and Maitenance 7-33
WARNING
The probe tip is sharp and can cause puncture wounds. To prevent
injury, exercise caution when working around the probe.
BIOHAZARD
In case your skin contacts the sample, control or calibrator, follow
laboratory safety procedure and consult a doctor.
CAUTION
Please use Mindray-recommended consumables. Other
consumables may decrease the system performance.
Exercise caution when installing the plunger assembly. Excessive
force may crack the syringe.
1 Place the Power to OFF.
2 Unscrew the screws on the syringe cover and remove the cover. The
structure of the syringe is as shown in the figure below.
3 Prepare a new plunger assembly (shown in the figure below) and soak
the plunger tip in deionized water to eliminate bubbles.
4 Unscrew (counter-clockwise) the lower retaining screw.
5 Unscrew (counter-clockwise) the four retaining screws, remove the
screws and space bars, and remove the syringe from the holder.

Mindray BS-120 Specifications

General

Throughput	120 tests/hour
Display	LCD touch screen
Reaction Temperature	37°C
Light Source	Halogen lamp
Photometric Range	0-3.0 Abs
Type	Bench-top, discrete, random access
Sample Type	Serum, plasma, urine
Connectivity	RS-232, USB
Analysis Method	Photometric
Sample Volume	2-35 µL
Reaction Volume	180-500 µL
Wavelengths	340, 405, 450, 505, 546, 578, 630, 700 nm
Control	Internal quality control, calibrator
Cleaning	Automatic cleaning system
Measurement Principle	Absorbance
Power Supply	AC 100-240V, 50/60 Hz
Operating Environment	Temperature 15-30°C, humidity 35-85% RH