HumiScan

Humiscan Industrial Humidity Transmitter

原廠目錄下載 (PDF Format, 6 pages, 507 KB.)
Humiscan Industrial Humidity Transmitter

These transmitters use proven, reliable technology to measure relative humidity and temperature. The Humiscan's built-in microprocessor then calculates values for dew point temperature, absolute humidity, mixing ratio, and wet bulb temperature. All of these measurements are available as signal outputs, or can be viewed on the optional, bright, digital display.

Performance in the Toughest Environments:
Humiscan transmitters incorporate a unique, reliable, capacitive relative humidity sensor. This proven sensor provides high accuracy over a wide operating range with minimal drift.

The Humiscan resists most contaminants, so monitoring process control applications does not present a problem…even in “dirty” manufacturing areas. Humiscan’s humidity and temperature sensors are designed to tolerate exposure to harsh chemical environments. It is able to operate in condensing environments, which makes it suitable for applications where washdowns and saturation occur, such as hospitals and certain laboratories. The sensors can also withstand other harsh conditions, such as thermal shock (-40° to +80°C), high temperature combined with high humidity (95% RH), and low humidity (exposure to a desiccant).

For maximum protection in harsh or condensing environments such as automotive manufacturing, pharmaceutical processing, and other process control applications, the Humiscan's electronics are housed in a rugged, aluminum, NEMA-4X/IP-65 rated enclosure.The Humiscan housing features a small size (5.5"L x 5.5"W x 3" Depth), and the choice of duct / remote or wall-mounted configurations. The transmitter is also designed to resist the low amplitude vibrations that are common in manufacturing environments.

User-Selectable Programming:
The Humiscan transmitter can be programmed easily, so that you can configure it in the field to meet your specific requirements. Connect the Humiscan transmitter to your own PC via the RS-232C interface, or use the optional, built-in keypad and local digital display. You can use either device to select a measurement, its output signal, and scale the measurement range. The Humiscan offers three simultaneous analog outputs, one digital output (RS-232C or RS-485/422), and one analog input for pressure (current or voltage). Humiscan Industrial Humidity Transmitters also offer a choice of two power input options (24 VAC/VDC or 100 to 230 VAC).

10-Point Factory Calibration:
Each Humiscan is calibrated at 10 different points against a NIST-traceable standard. Compare this with competitive models that are calibrated at three points or less. This 10-point calibration ensures that you get maximum accuracy from the Humiscan.

Easy to Field-Calibrate:
Using an accurate RH or temperature measurement instrument, a user can perform an on-site, one-point calibration of the Humiscan in minutes without interrupting operation.

Interchangeable Probes:
This feature allows a user to replace sensor probes in the field or have a sensor probe recalibrated without removing the Humiscan.

An optional data-logger provides a fast and cost-effective method to determine if your process environment requires continuous long-term measurement. The data-logging feature is also useful for applications where validation requires only a short-term measurement.In many process control and industrial applications, humidity and temperature tend to fluctuate. For this reason, continuous temperature compensation is a standard feature on all Humiscan transmitters. This feature automatically adjusts for changes in the environment, which insures a high degree of measurement accuracy over the entire operating range of the instrument.

Features

	1% accuracy.
	Optional built-in keypad with bright, digital display.
	Wall mount and duct/remote probe configurations.
	Every model calculates all humidity parameters: - Relative Humidity Temperature Dew Point. - Mixing Ratio Absolute Humidity Wet Bulb.
	Field-select up to 3 measurement parameters.
	User-selectable programming via computer or keypad/local display.
	3 simultaneous analog outputs per measurement parameter: 4-20 mA 0-5 Volt 0-10 Volt.
	Digital outputs: RS-232, RS-485/422.
	10-point factory calibration (NIST).
	Easy one-point field calibration.
	Industrial NEMA 4X/IP-65 rated enclosure.
	Proven, reliable sensor technology.
	Temperature–compensated.
	Two-year warranty.
	Data Logging option.
	Pressurized Probe option.

Applications

Clean rooms.
Pharmaceuticals.
Automotive.
Process Control.
HVAC.
Hospitals/Laboratories.
Environmental Chambers.
Incubators.
Many more.

SPECIFICATIONS:

Relative Humidity
Sensing Element: Capacitive
Accuracy at 77°F: ±1% at 0.5 to 90% RH; ±2% at 90 to 100% RH
Long Term Stability: Less than 0.5% drift typical
Hysteresis: Less than 1% RH

Operating Range
RH Sensor: 0% to 100% RH (non-condensing); -40°F to 176°F (-40°C to 80°C)
Electronics: 0% to 95% RH (non-condensing); -40°F to 176°F (-40°C to 80°C)

Temperature
Sensing Element: 1000 ohm thera-film platinum RTD (00.385 Alpha) Class A
Accuracy: ±0.36°F (±0.20°C)
Measurement Range: -40°F to 176°F (-40°C to 80°C)

Calculated Measurements:
Dew Point Temperature: -40°C to 80°C (-40°F to 176°F)
Mixing Ratio: 0 to 545 g/kg d.a.
Absolute Humidity: 0 to 290 g/m3
Wet Bulb Temperature: -40°F to 176°F (-40°C to 80°C)

Outputs:
Analog:
3 Simultaneous Outputs per Measurement 4-20mA, 0-5 Volt, 0-10 Volt
Digital:
1 Channel, RS-232, RS-485 / 422 Digital Current Loop (Optional)

Relay:
SPDT, Form C, 250 VAC / 30 VDC @ 5A. TTL: Alarm Trigger
Power Inputs:
Standard: 24 VAC/VDC ±20%
Optional: 100/240 VAC ±10%/50/60Hz, 15 VA Max.

General:
Storage Temperature: -40°C to 80°C (-40°F to 176°F)
Enclosure: Aluminum
Enclosure Rating: NEMA-4X (IP-65)
Mounting: Wall, Duct/Remote configurations (Includes Duct Mount hardware)
Remote Cable Lengths: 3, 5, and 10 meters
Data Logging: Maximum of 700 points of humidity and temperature (selectable interval)
Pressure Probe: Up to 120 psi.