Instruction Manual: EMP-3
NIC-TD-0000067-01
Nippon Instruments Corporation
73
7. DETAILED SYSTEM SPECIFICATION
SPECIFICATION OF EMP-3 MAIN UNIT
Measurement
Target
Working environment
Petroleum gas
Analysis Method
Cold atomic absorption spectrometry
Light Source
Low-pressure mercury discharge tube
Detector
Solid state detector (with 254 nm bandpass filter)
Measurement Mode MOBILE (portable), STATIC (stationary)
Measurement
Range*
0 - 2000 μg/Nm
3
Resolution*
MOBILE
：
1 μg/Nm
3
STATIC
：
0.1 μg/Nm
3
Precision*
RSD 3% (2 μg/Nm
3
or more)
90% Response
Time
Within 5sec.
Measurement Time
MOBILE
：
290 sec. (About 5min. cycle)
STATIC
：
50 sec. (About 1min. cycle)
Measurement Flow
Rate
Approximately 1 L/min.
Measurement Gas
Temperature
0
C - 45
C
Measurement Gas
Humidity
10%-80% r.h. There shall be no condensation.
Measurement Gas
Pressure
-5 to 6kPa
Correction
Function
ZERO check: Baseline correction function (to remove
the influence of interfering components)
Normalization conversion: Measurement results are
displayed using normalization conversion values so that
they are not affected by the temperature or pressure.
* Performance when the ambient temperature is 20
C
