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High-Accuracy Humidity and Temperature
Meters with Calibration Certificate
Determine relative humidity within ±1.5% accuracy and temperature within ±0.8° F accuracy. This meter comes with a calibration certificate traceable to NIST that states it has passed a test for accuracy. It also displays dew point or frost point.
Hand-Held Humidity and Temperature Meters
90% Relative
Humidity Meter
For comprehensive system checks and quality control, these meters measure a wider relative humidity range than pocket meters and can determine dew point in addition to humidity and temperature.
Relative Humidity | Temperature | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Range | Accuracy | Range | Accuracy | Display | Digit Ht. | Ht. | Wd. | Dp. | Includes | Batteries Included | Each | |
| 10 to 90% | ±3% | -4° to 122° F/-20° to 50° C | ±1.8° F/±1° C | LCD | 3/16", 3/8" | 6 11/16" | 1 7/8" | 1/2" | Pocket Clip | Yes | 0000000 | 0000000 |
Remote-Reading Temperature, Humidity, and
Dew Point Chart Recorders with High/Low Alarm
Remotely record temperature, humidity, and dew point up to 10 feet from the display and set the alarm to sound and flash the display if temperature readings rise above or fall below a set range. This recorder has a remote probe on a 10-ft. cable and a display that can be set to show current temperature, minimum/maximum temperature, or relative humidity and calculated dew point. Charts (not included) are required; select a recording time and temperature range from the available chart options.
| For Chart Dia. | For Recording Time | Temp. Accuracy | Relative Humidity Range | Relative Humidity Accuracy | Dew Point Range | Dew Point Accuracy | AC Voltage | Ht. | Wd. | Dp. | Batteries Included | Fasteners Included | Each | |
| 8" | 24 hrs., 7 days, 31 days | ±1.8° F/±1° C | 0 to 95% | ±3% | 32° to 122° F/0° to 50° C | ±3.6° F/±2° C | 120 | 9 3/16" | 9 3/16" | 3 1/8" | Yes | Yes | 00000000 | 0000000 |
| Replacement Blue Pen | 00000000 | Each | 000000 |
Heat Stress Monitors
Measure temperature, humidity, and radiant heat in your work area to keep your team safe from heat-related hazards. These monitors help you avoid dangerous conditions and comply with OSHA standards for a safe work environment. They use a variety of measurements from your surroundings to calculate the heat stress index and the wet bulb globe temperature (WBGT), which tell you how hot it feels. Set a maximum wet bulb globe temperature, and an alarm will go off when heat reaches the safety limit.
These monitors have two sensors. One measures temperature, humidity, dew point, and wet globe temperature. The other measures black globe temperature, which is the effect of direct solar radiation on an exposed surface. Carry monitors with you to measure different areas, or mount to your tripod to measure conditions over time.
To maintain their accuracy, monitors should be calibrated once a year. You can calibrate the monitor yourself using humidity standards. These standards contain a known humidity, so you can adjust your monitor until it reads the humidity correctly.
Monitors that come with a calibration certificate traceable to NIST have passed a test for accuracy.
Power these monitors with the included batteries, or add a power adapter to plug them in.
Add a memory card to store your readings and export them to a computer.
Heat Stress
Monitor
Air Temp. | Black Globe Temp. | Wet Bulb Globe Temp. | Barometric Pressure | Relative Humidity | Mounting | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Range, °F | Accuracy, °F | Range, °F | Accuracy, °F | Range, °F | Accuracy, °F | Range | Accuracy | Range | Accuracy | Fasteners Included | No. of Holes | Hole Thread Size | Data Connection Type | Each | |
Heat Stress Monitors | |||||||||||||||
Monitors | |||||||||||||||
| 32° to 122° | ±1.1° | 32° to 176° | ±1.8° | 59° to 132° | ±3.6° | 8.9in. of Hg to 32.5in. of Hg | ±0.044" Hg | 0% to 100% | ±5% | No | 1 | 1/4"-20 | __ | 0000000 | 0000000 |
Monitors With NIST Certificate | |||||||||||||||
| 32° to 122° | ±1.1° | 32° to 176° | ±1.8° | 59° to 132° | ±3.6° | 8.9in. of Hg to 32.5in. of Hg | ±0.044" Hg | 0% to 100% | ±5% | No | 1 | 1/4"-20 | __ | 0000000 | 000000 |
Data Logging Heat Stress Monitors | |||||||||||||||
Monitors | |||||||||||||||
| 32° to 122° | ±1.5° | 32° to 176° | ±1.1° | 32° to 132° | ±3.6° | __ | __ | 5% to 95% | ±3% | No | 1 | 1/4"-20 | SD Card | 0000000 | 000000 |
Monitors With NIST Certificate | |||||||||||||||
| 32° to 122° | ±1.5° | 32° to 176° | ±1.1° | 32° to 132° | ±3.6° | __ | __ | 5% to 95% | ±3% | No | 1 | 1/4"-20 | SD Card | 0000000 | 000000 |
| Relative Humidity | Relative Humidity Accuracy | Each | |
| 33%, 75% | ±1% | 0000000 | 0000000 |
Inside | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Height | Width | Depth | Height | Width | Depth | Weight, lbs. | Color | Material | Lock Type | Foam Type | Each | |
| 5 3/4" | 13" | 12" | 5 1/2" | 12" | 9 1/2" | 4 1/2 | Black | Plastic | Padlockable | Cubed | 0000000 | 000000 |
| Memory Card Type | Capacity | Each | |
| SD/Micro SD | 16 GB | 00000000 | 00000 |