Overview
Enviro Test Construct flue gas hygrometer can measure humidity and oxygen separately in high temperature environment. The probe has heat tracing function, which can avoid condensation of water vapor in the gas chamber and can realize accurate measurement of online gas humidity in long term high temperature environment, anti-interference Features such as strong ability.
Technical Specifications
| Test principle | Dry and wet oxygen |
| Test medium | Simultaneous monitoring of humidity and oxygen |
| Test range | Volume percentage: 0 to 40 % VOL Oxygen: 0 to 25 % |
| Working temperature | Instrument: -22 °F to 167 °F (-30 to 75 ℃), probe rod 32 °F to 374 °F (0 to 190 ℃), sensor working environment: 32 °F to 752 °F (0 to 400 ℃) |
| Measurement accuracy | VOL< ± 1.5 % FS O2 < ± 2 % FS |
| Repeatability | <±1.5 % VO, O2 < 2 % |
| Stability | <2 % VOL per year, O2 <3 % per year |
| Initialization Time | 120 seconds |
| Response Time | T 90 < 30 seconds |
| Probe Calibration | Key calibration, single point or multi |
| Filter | Stainless steel sintered filter |
| Probe material | Imported polycarbonate |
| connector material | Anodized aluminum-based silicon magnesium (ie: aluminum oxide) alloy |
| Display mode | Two color LCD display, LCD display resolution is 3 or 4 decimals, set by software, after 30 minutes without backlight (can be set), current consumption 4 mA (without backlight) |
| Analog output | dual 4 to 20 mA. DC (with isolated output) |
| Communication method | Communication method RS 485, 4 to 20 MA |
| Protection | The probe rod is 316 F, the protection level of the instrument box is IP 65 |
| Working power supply | AC 220 V 60 Hz |
| Main board power consumption | 12 w |
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