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Sling Psychrometer

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Sling Psychrometer Specification

Interface Type
None (Manual Reading)

Resolution
0.5C (Temperature); 1% RH

Humidity
Measures relative humidity

Features
Portable, easy to operate, does not require power

Response Time
About 15 seconds to measure

Measuring Range
-10C to 50C (Temperature); 20% to 100% RH (Humidity)

Display Type
Analog scale (Graduated glass thermometers)

Equipment Type
Sling Psychrometer

Automation Grade
Manual

Application
Measurement of relative humidity and ambient temperature

Accuracy
1C (Temperature); 5% RH (Humidity)

Test Range
Humidity: 20% to 100% RH

Max Height
Approx. 300 mm

Mounting Type
Handheld

Temperature
Measures dry and wet bulb temperatures

Number of Specimens
Single reading per test

Usage
Field, laboratory, HVAC, meteorology, and educational settings

Machine Weight
Approx. 200 g

Test Speed
Manual operation

Control Mode
Handheld (Manual Sling)

Sling Psychrometer Trade Information

Payment Terms
Cash in Advance (CID), Cheque, Cash Advance (CA)

About Sling Psychrometer

As a Authorized dealer we are engaged in providing the broad assortment of wide gamut of Sling Psychrometer Kit.

The Elcometer 116C Sling Hygrometer is a convenient, self contained instrument with an inbuilt slide rule for the calculation of %RH and dewpoint.

A dependable, accurate RH meter
Fast, accurate measurement of RH for many applications
Simple to operate and read the measurements
Designed to be compact with portability in mind

The Sling Psychrometer is an easy and affordable way to measure relative humidity levels quickly and accurately. It is ideal for many applications, including the measurement of conditions within indoor environments, storage areas, laboratories and more.

The Sling Psychrometer measures RH between 10 and 100% (for dry bulb temperatures between 30 and 100 F) with an accuracy of 5%.

Measurement Range :

Dry/wet bulb temperature :25 to 120 F or -5 to +50 C (see ordering information)
Relative humidity (RH) : 10 to 100%, for dry bulb temperature between 30 and 100 F (-1 and 38 C)
Wet-bulb temperatures should be read first and as quickly as possible for highest accuracy. Delay in reading may cause error. In addition, the wick must be kept clean, saturated with water, and whirled long enough to stabilize temperatures. The range of the psychrometer is from 10% to 100% R.H., for dry-bulb temperatures of 30 to 100F (5 to 50C).
In addition to the above instructions, barometric pressure and other factors will influence exact relative humidity determinations to a very minor degree. For precise work, use a psychrometric chart or set of tables such as W.B. No. 235 Psychrometric Tables for Obtaining the Vapor Pressure, Relative Humidity, and Temperature of Dew Point, which can be purchased from the Superintendent of Documents, United States
Government Printing Office, Washington, D.C. The accuracy of the Psychrometer, however, is satisfactory for all except the most exacting work.

Specification

Accuracy	+- 1 DegreeF, +- 0.5 DegreeC
Usage/Application	To determine the dew point and relative humidity (RH) at any given time.
Brand	Elcometer
Temperature Range	-5 DegreeC to 50 DegreeC (23 DegreeF to 122 DegreeF)
Weight	0.45 kg
Size (H x W x D)	7.5 x 1 x 1 in. (19.0 x 2.5 x 2.5 cm)
Relative humidity (RH)	10 to 100%, for dry bulb temperature between 30 and 100 DegreeF (-1 and 38 DegreeC)
Operating Conditions	25 to 120 DegreeF (or -5 to +50 DegreeC), 10 to 100% RH (non-condensing), 1 ATM +- 10%
Dry/wet bulb temperature	25 to 120 DegreeF or -5 to +50 DegreeC

Versatile Humidity & Temperature Measurement

This sling psychrometer is engineered for reliable measurement of both temperature and relative humidity. Its manual operation ensures that it is suitable for diverse locations, from outdoor field sites to classroom labs, without the need for batteries or electrical power. The sturdy plastic frame, combined with glass thermometers, guarantees durability and clear analog readings every time.

Portable and Field-Ready Device

Weighing approximately 200 grams and with a compact design, this sling psychrometer is exceptionally portable. The unit is equipped with a practical storage case, making it easy to carry and protect when not in use. Its handheld, sling-type design is perfect for onsite measurements in environmental, HVAC, and meteorological applications.

Simple Operation and Fast Response

The psychrometer is designed for straightforward, manual operation using a rotatable handle to maximize air flow. Readings can be completed in about 15 seconds, offering efficiency for frequent checks. The analog scale ensures clear visualization of both dry and wet bulb temperatures, allowing users to quickly calculate relative humidity.

FAQs of Sling Psychrometer:

Q: How do I use the sling psychrometer to measure humidity and temperature?

A: To measure, saturate the wet bulb thermometer wick, hold the handle, and rotate the psychrometer swiftly for about 15 seconds. Then, read the temperatures from the dry and wet bulb thermometers, and use a psychrometric chart to determine the relative humidity.

Q: What types of environments is this sling psychrometer suitable for?

A: This device is ideal for field use, laboratory testing, HVAC inspections, meteorological studies, and educational experiments. Its portable design and manual operation make it well-suited for both indoor and outdoor applications.

Q: When should I use a sling psychrometer instead of a digital hygrometer?

A: Use a sling psychrometer when a power source is unavailable, or when you need a simple, reliable, and cost-effective way to measure relative humidity and temperature in environments such as outdoors, in classrooms, or where electronic devices are not suitable.

Q: Where can I store and transport the psychrometer safely?

A: The psychrometer comes with a dedicated storage case, protecting it from damage during transport and storage. Keep it in the case when not in use for enhanced durability, especially in harsh field conditions.

Q: What is the measurement accuracy and range of this equipment?

A: Temperature measurements range from -10C to 50C with an accuracy of 1C, and humidity readings range from 20% to 100% RH with 5% RH accuracy. The analog scale gives a temperature resolution of 0.5C and humidity resolution of 1% RH.

Q: What are the main benefits of using this sling psychrometer?

A: Key benefits include portability, ease of use, independence from power sources, quick results (within about 15 seconds), and reliable analog readings suitable for a broad range of professional and educational uses.

Q: How often should I process or conduct readings with the psychrometer?

A: Readings can be taken as frequently as required, with a single measurement process for each test. Make sure to allow the thermometers to return to ambient conditions between tests for the most accurate results.

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