Spec

• Gas to be detected: Oxygen
• Detection principle: Diaphragm galvanic cell type
• Density Display: LCD Digital Display (3 Digits/7 Segments/Green/Orange/Red 3-Color Backlight)
• Detection range (vol%): 0-25
• Display resolution (vol%): 0.1
• Detection method: Diffusion type
• Alarm setting: 1st 19vol% (L)/2nd 18vol% (LL) [Standard setting]
• Accuracy of indication (under the same conditions): within ±0.7vol%
• Response time (under the same conditions): 90% Response within 30 seconds
• Alarm delay time (under the same condition): Within 5 seconds after 10~11vol% gas is detected in the acid shortage alarm (18vol%L alarm)
• Accuracy of the alarm setting value: The difference between the alarm setting value and the concentration indication value when the alarm is issued is 0.
• Gas alarm type: 2-stage alarm (L-LL)
• Gas alarm display: 1st: Intensity display and backlight on (orange)/buzzer/2nd: Intensity display and backlight on (red)/buzzer
• Gas alarm operation: self-holding
• Gas alarm contacts: Non-voltage contacts 1a each, Non-excitation at all times (excitation at alarm time)
• Fault alarm/self-diagnosis: system fault/sensor connection fault
• Fault warning display: content display and backlight flashing (red)/buzzer
• Fault alarm operation: automatic return
• Contact Capacity: 125 V/1 A AC
• Transmission Specifications: DC4~20 mA (Non-Insulated, Load Resistance 300 Ω or Less)
• Detection section cable: Remote dedicated cable (3 m)
• Power: 24 VDC ±10%
• Power Consumption: DC Specifications: Up to 3 W
• Operating temperature range: -10~40°C (no sudden change)
• Operating humidity range: 90%RH or less (non-condensing)
• Operating pressure range: atmospheric pressure (80 kPa to 105 kPa)
• Structure: Wall-mounted/Sensor Integrated
• External dimensions (mm): approx. 80 (W) x 120 (H) x 35.5 (D)
• Mass (g): about 180
•