HygroProII

# Product Introduction
The Alumina Trace Water Dew Point Transmitter is an intrinsically safe, compact, loop-powered transmitter with display, specially designed to meet the demands of harsh industrial applications. Adopting certified intrinsically safe electronics (when installed with appropriate associated equipment) and enclosed in an IP66/IP67/Type 4X enclosure, HygroPro is highly suitable for applications such as pipeline natural gas, petrochemicals, power generation, and other industrial gas or liquid hydrocarbon scenarios.


# Product Parameters
## Alumina Trace Water Dew Point Transmitter
### Features:
- Intrinsically safe and explosion-proof
- Adopts new-generation alumina sensor technology, capable of measuring water content ranging from ambient atmospheric level down to ppb level
- Built-in temperature sensor
- Optional pressure sensor
- Calibration traceable to the National Institute of Standards and Technology (NIST) or the National Physical Laboratory (NPL); ISO 17025 accredited calibration is also available as an option
- Full programming functions via user interface with integrated display and 6-button keypad
- Analog and digital outputs available
- HART communication via 4 – 20 mA analog output


### Application Fields:
- Petrochemical Industry
- Natural Gas
- Industrial Gas
- Semiconductor
- Furnace Gas / Heat Treatment
- Power Generation
- Air Dryers
- Pharmaceutical Industry
- Aerospace


## Technical Parameters of Alumina Trace Water Dew Point Transmitter
### Display Parameters: Dew Point (Tp), Temperature (℃), Pressure (psig)
### Dew Point Range:
Standard: 50 to -112°F (+10 to –80°C); Extended data range: 68 to -166°F (+20 to -110°C)
### Accuracy:
- ±3.6°F (±2°C) above -148°F (-100°C)
- ±5.4°F (±3°C) below -148°F (-100°C)
### Operating Temperature: -4°F to 140°F (–20°C to 60°C)
### Storage Temperature: -40°F to 158°F (-40°C to 70°C)
### Repeatability:
- ±0.4°F (±0.2°C) above -148°F (-100°C)
- ±0.9°F (±0.5°C) below -148°F (-100°C)
### Sensor Type: Thin-film Alumina Trace Water Sensor


### Temperature Range: -22°F to 158°F (–30°C to 70°C)
### Accuracy: Overall ±0.9°F (±0.5°C)
### Sensor Type: NTC Thermistor


### Pressure Range:
- 30 to 300 psig (3 to 21 bar)
- 50 to 500 psig (4 to 35 bar)
- 100 to 1000 psig (7 to 69 bar)
- 300 to 3000 psig (21 to 207 bar)
- 500 to 5000 psig (35 to 345 bar)
### Accuracy: ±1% of Full Scale (FS)
### Pressure Rating: Three times the specified range span, up to 7500 psig (518 bar)
### Sensor Type: Solid-state / Piezoresistive


### Electrical Parameters:
### Voltage: 12 to 28 VDC (Loop Power, supplied by customer)
- Output: Analog 4 to 20 mA & Digital HART
- Output Resolution: 0.01 mA/12 bits
- Cable: 6 ft. (2 m) and 30 ft. (10 m) optional
(Custom lengths available upon factory consultation); Cables are equipped with waterproof connectors.


### Process Connection
- 3/4-16 in. (19 mm) Straight Male Thread with O-ring
- G 1/2 with optional adapter


### Overall Dimensions:
- H x W x D: 7.88 x 3.99 x 2.56 in. (200 x 101 x 65 mm)
- Weight: 2.53 lbs. (1147 g)


# Product Application
### Application Fields:
- Petrochemical Industry
- Natural Gas
- Industrial Gas
- Semiconductor
- Furnace Gas / Heat Treatment
- Power Generation
- Air Dryers
- Pharmaceutical Industry
- Aerospace