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Hygrometers

Hygrometers

Instruments that measure moisture in ambient air; types include indicator papers and dial-styles; electronic versions may be analog or digital; may be traceable to NIST. Because humidity is affected by temperature, most hygrometers include thermometers to correct readings.

Hygrometers, or humidity meters, are devices for measuring the level of water vapor (also known as relative humidity, RH) in the atmosphere or in other gases.

How Are Hygrometers Used?
• Monitoring moisture levels in laboratory incubators, growth chambers, greenhouses, and controlled climate cabinets
• Measuring humidity in confined spaces, rooms, or buildings where moisture levels are critical to the activity being performed or to the objects or materials being stored
• Measuring humidity in domestic or residential settings
• Meteorological and climate monitoring

Classical, mechanical hygrometers, which are less widely used today, include wet/dry bulb hygrometers or psychrometers and hair tension hygrometers, which rely upon a single (hygroscopic) hair or fiber.

Most hygrometers available on the market today are electronic digital instruments, which measure humidity using capacitive or resistive sensors. These digital devices offer clear displays with reliable and consistent performance, and are typically compact, hand-held, or benchtop units with a minimal footprint. They may also be available with temperature, timer and alarm functionality, and with externally corded probes and wireless radio-signal connectivity for remote monitoring and data logging. Many operate over a wide temperature range of -5° to +50°C, with a typical measurement range of 0 to 95% relative humidity (RH).

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1 – 15 of 65 results
1

Fisherbrand™ Traceable™ Thermometer/Clock/Humidity Monitor

Measures ambient temperature, relative humidity and tells time.

EDGE
2

Fisherbrand™ Dual LCD Display Thermo-Hygrometer

EDGE
3

Fisherbrand™ Traceable™ Thermohygrometer with Clock

Monitor temperature, humidity, and time simultaneously, at a glance.

4

Fisherbrand™ Traceable™ Relative Humidity/Temperature Meters

Monitor air conditions in environmental chambers, chemical storage areas, cleanrooms, incubators and stockrooms

EDGE
Temperature Accuracy ±1°C (0 to 40°C) otherwise ±2°C
Width (English) 2.62 in.
Length (Metric) 1.57 cm
Memory Stores and recalls minimum/ maximum temperature and humidity readings, display up-dated every second
Length (English) 0.62 in.
Material ABS Plastic
Humidity Range 25 to 95%
For Use With (Application) Monitor air conditions in environmental chambers, chemical storage areas, cleanrooms, incubators and stockrooms
Width (Metric) 7 cm
Includes Bench stand, switch to +read °F/°C, fast-response solid-state sensors and two AAA batteries
Accuracy ±3%RH (25 to 75)%RH, ±5%RH otherwise
Display Type LCD
Temperature Range (English) 32°F to 122°F
Weight (English) 2.5 oz.
Certifications/Compliance ISO 17025, A2LA, NIST
Sensors Solid State
Temperature Range (Metric) 0°C to 50°C
Temperature Resolution 1°F
Resolution 0.01
5

Fisherbrand™ Traceable™ Precision Lollipop™ Water-Resistant Thermometers

This digital and water-resistant thermometer provides results in two seconds

EDGE
Includes Protective Sheath, Suction-Cup Mount, Hook and Loop Mount, Magnetic Mount, CR2032 Battery, and NIST-Traceable Certificate (with data)
Accuracy ±0.5°C from -20°C to 200°C, ±1°C otherwise
Type Lollipop Thermometer
Width (English) 1 in.
Display Type LCD
Temperature Range (English) -58°F to +482°F
Weight (English) 2 lb.
Certifications/Compliance NIST
For Use With (Application) Temperature Monitoring
Width (Metric) 2.54 cm
Weight (Metric) 0.907 kg
6

Fisherbrand™ Traceable™ Precision Monitoring Thermohygrometer

This digital temperature and humidity meter continuously monitors and displays readings graphically and numerically.

7

Fisherbrand™ Digital Hygrometer with Thermometer

Use this hydrometer for reliable service even in harshest environments. Digital Hygrometer with Thermometer simultaneously displays both temperature and relative humidity.

EDGE
8

Fisherbrand™ Traceable™ Alarm RH/Temperature Monitor

Monitors round-the-clock for critical experimental requirements.

Height (Metric) 1.9 cm
Temperature Accuracy ±0.5°C
Width (English) 4.25 in.
Length (Metric) 7 cm
Length (English) 2.75 in.
Material ABS Plastic
Humidity Range 5 to 95%
For Use With (Application) For routine measurements, round-the-clock monitoring, quality control and critical experiments, place sensor in hoods, cleanrooms, coolers, stockrooms, incubators, environmental chambers and chemical storage areas
Width (Metric) 10.8 cm
Alarm Types Audible
Accuracy Humidity Accuracy: ±3% midrange, ±5% otherwise
Type Remote Alarm Rh/Temperature Monitor
Dimensions (L x W x H) 2.75 x 4.25 x 0.75 in. (7 x 10.8 x 1.9 cm)
Display Type LCD w/ 0.5 in. digits
Temperature Range (English) 32°F to 140°F
Weight (English) 4 oz.
Certifications/Compliance ISO 17025, A2LA, NIST
Temperature Range (Metric) 0°C to 60°C
Weight (Metric) 0.113 kg
Height (English) 0.75 in.
Temperature Resolution 0.1°F
9

Fisherbrand™ Traceable™ Humidity Meter

Retains highest and lowest readings recorded over selected period

10

Fisherbrand™ TraceableGO™ Bluetooth Datalogging Hygrometer

Fisherbrand TraceableGO™ Bluetooth Datalogging Hygrometer fills in the unknowns between destinations

11

Fisherbrand™ Traceable™ Humidity/Temperature Pen with Memory

Ideal for monitoring RH in labs and plants

EDGE
12

Fisherbrand™ Traceable™ Humidity/Temperature Meter/Recorder

Ideal for monitoring conditions in chambers, cleanrooms, food processing facilities, scientific laboratories, and other humidity-sensitive areas

13

Fisherbrand™ Traceable™ Printing Hygrometer/Thermometer

Provides permanent hard copy results

Includes Humidity/T1 and T2 probes and cables, probe holder, paper, carrying case, six AAA batteries and traceable certificate
Certifications/Compliance ISO 17025, A2LA, NIST
Temperature Resolution 0.1°F
Resolution 0.001
14

Fisherbrand™ Traceable™ Memory-Loc™ Data Logging Thermohygrometers with Calibration

The Traceable™ Memory-Loc™ Data Logging Thermohygrometer with Calibration allows you to safely secure collected information — data cannot be overwritten or modified.