RKI Instruments 04 Series, Руководство оператора, Страница: 7 / 98

SC-04 Chapter 1: Introduction • 7
Specifications
Table 1: Standard Sensor Specifications/Alarm Points
Table 2: SC-04 Specifications
Ammonia
(NH
3
)
Chlorine
(Cl
2
)
Hydrogen
Cyanide
(HCN)
Nitrogen
Dioxide
(NO
2
)
Phosphine
(PH
3
)
Sulfur
Dioxide
(SO
2
)
Detection Range 0 - 400.0 ppm 0 - 20.00
ppm
0 - 30.0
ppm
0 - 20.00
ppm
0 - 20.00
ppm
0 - 100.00
ppm
Lowest Detectable
Limit (LDL)
4.0 ppm 0.10 ppm 1.0 ppm 0.30 ppm 0.02 ppm 0.20 ppm
Reading Increment 0.5 ppm 0.05 ppm 0.1 ppm 0.05 ppm 0.01 ppm 0.05 ppm
Warning Setpoint 25 ppm 1.00 ppm 5.0 ppm 2.00 ppm 0.30 ppm 2.00 ppm
Alarm Setpoint 35 ppm 2.00 ppm 10.0 ppm 4.00 ppm 0.60 ppm 5.00 ppm
Alarm H Setpoint 300 ppm 10.00 ppm 30.0 ppm 20.00 ppm 0.60 ppm 100.00 ppm
STEL Setpoint 35 ppm 1 ppm 10.0 ppm 1.00 ppm 1.00 ppm 5.00 ppm
TWA Setpoint 25 ppm 0.5 ppm 4.7 ppm 0.50 ppm 0.30 ppm 2.00 ppm
Sampling
Method
Diffusion
Response Time T90 Within 10 Seconds
Display Graphics LCD Display
Operating
Temperature
& Humidity
Continuous environment : -20°C to 50
°
C/10 to 90% RH
Temporary environment (up to 15 minutes) : -40°C to 60
°
C/0 to 95% RH
Indication
Accuracy
± 10% of reading or ± 5% of full scale (whichever is greater)
Safety/
Regulatory
• ATEX: Certificate Number DEKRA 19ATEX0097
II 1G Ex ia IIC T4 Ga (with alkaline batteries)
II 1G Ex ia IIC T3, Ga (with Ni-MH batteries)
• IECEx: Certificate Number IECEx DEK 19.0059
Ex ia IIC T4 Ga (with alkaline batteries)
Ex ia IIC T3 Ga (with Ni-MH batteries)
• QPS classified, “C/US”, as Intrinsically Safe. Exia. Class I, Groups A, B, C, & D.
Instrument
Power
Information
• Operating Voltage: 3.0V
• Operating Current: 1.0 mA
• Operating Power: 3.0 mW
Power Supply 2 AAA alkaline batteries; 1.5V, 1.175 AH (Duracell MN2400 or PC2400)
OR
2 AAA Ni-MH batteries; 1.2V, 800 mAH (Panasonic Eneloop BK-4MCC)