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Guangzhou Weizhuo Measurement and Control Technology Co., Ltd
Rozhnik explosion-proof transmitter (threaded installation)
NegotiableUpdate on 05/13
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Overview
The new HygroFlex5 EX series is a dual channel transmitter designed to accurately measure humidity and temperature in environments with explosive hazards, using the HF520-EX Rozhnik explosion-proof transmitter (threaded installation). The standards that this device complies with. The nHF5-EX series is a transmitter with an optional display and a sturdy aluminum casing. The connected probe is inserted into a stainless steel tube and certified to operate in Zone 0/20. The transmitter itself has passed the 1/21 zone working certification. The intelligent circuit design with electrical isolation allows the measurement system to operate without the need for this safety power supply
Product Details
HF520-EXRozhnik explosion-proof transmitter (threaded installation)
The new HygroFlex5 EX series is designed to accurately operate in environments with explosive hazardsA dual channel transmitter for measuring humidity and temperature. The standards that this device complies with.
The HF5-EX series is a transmitter with an optional display and a sturdy aluminum casing. The connected probe is inserted into a stainless steel tube and certified to operate in Zone 0/20. The transmitter itself has passed the 1/21 zone working certification. The intelligent circuit design with electrical isolation allows the measurement system to operate without the need for this safety power supply
Overview
Intrinsic safety typeTemperature and humidity transmitter，Reliable measurement solutions in the environment：
·Measure relative humidity and temperature, and can also output dew point and other humidity calculation parameters
·Safe operation in explosive hazardous areas
·Design of intrinsically safe circuits
·No need for intrinsic safety power supply
·Interchangeable stainless steel probes
·Durable aluminum casing
main advantages
1. Function display
·Measurement value with trend display
·Can be configured through keyboard
2. Certified shell
·Durable aluminum casing
·IP66 protection level
·Wall mounted or pipeline installation
3. Power supply
·10...28VDC
·There is no requirement for intrinsic safety power supply
4. Output
·Two analog outputs, with freely selectable range
·2-wire system (2 * 4... 20ma)
5. Interchangeable probes
·Different probes are used for different applications
·It is very convenient to calibrate the probe outside the explosion zone
6. Explosion proof grade
·Transmitter
||2（1）G Ex eb mb【ia Ga】||C T5 Gb
||2（1）D Ex tb【ia Ga】|||C T80℃ Db
·Probe
||1/2 G Ex ia |||C T5 Ga/Gb
||1/2 G Ex ia |||C T80℃ Da/Db
7. Easy to configure
·Before leaving the factory, configuration can be made according to customer requirements
·Use HW4 software to allow on-site settings
Installation method: threaded installation
HF520-EXRozhnik explosion-proof transmitter (threaded installation)Technical Specifications
| Product Model | ||
| measurement parameters | Relative humidity and temperature | |
| calculation parameters | All humidity calculation parameters | |
| Shell material/protection | 铝 （DIN EN 1706 EN AC-AISi 12（Fe）/IP66 | |
| weight | Wall mounted type: 1030g Pipe type: 1140g | |
| Startup time | Standard, cold<60s/warm<30s | |
| measurement interval | 20...240s | |
| display options | LCD without backlight | |
| electrical connection | EX-e connector terminal (0.2... 2.5mm2) | |
| Cable flange | 16 * 1.5 (0 cable 4.5... 7mm) | |
| power supply | 10...28VDC） | |
| Current power consumption | 2 * 24mA @ Start/2 * 20mA @ Run | |
| Operating Temperature | No display at minus 40... 60 ℃ | |
| Host/electronic components | Minus 10... 60 ℃ with display | |
| communication interface | UART internal communication interface (only for outdoor explosion-proof area 0) | |
| CE/EMC | EMC Directive 2004/108/EC | |
| ATEX Directive | EU94/9/EC(ATEX） | |
| EX identification | ||2（1）G Ex eb mb【ia Ga】||C T5 Gb ||2（1）D Ex tb【ia Ga】|||C T80℃ Db | |
| analog output | ||
| quantity | 2 | |
| current | 4-20mA two-wire system | |
| Electrical isolation | support | |
| Z large load | 500Ohms | |
| 23 ℃ accuracy | <20uA |
Rozhnik explosion-proof transmitter (threaded installation)
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