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			Parts & Accessories
			85001
			85002
			WD-35700-10
			WD-35700-20
			WD-35700-00
			WD-03313-70
			WD-08369-70
			WD-35701-00
			WD-37250-00
			WD-37250-10
			WD-37250-20
			WD-03316-70
			WD-03316-72
			WD-03316-80
			4093
			4380
			4195
			4197
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	Product Specials

Hygrometers and Barometers

Thermo-hygrometers and Barometers

These Thermo-hygrometers and Aneroid Barometers offer many ranges for measuring relative humidity (RH), temperature and atmospheric pressure. From dial aneroid barometers to drum hygrothermograph, the right atmospheric pressure measurement or humidity measurement instrument is available.

See our Control Company NIST Traceable Humidity, Weather, Pressure, Anemometer, and Barometer Catalog
Contact us for pricing information on any Control Company items not yet on display in our web site.

Parts & Accessories

Parts and Accessories for hygrometers, hygrothermographs, and barometers including chart paper, pens, etc.

VEE GEE Wall-Mount Thermometer-Hygrometer-Clock suitable for laboratory or the home.

85001

VEE GEE 85001 Wall-Mount Thermometer-Hygrometer-Clock.
Range (thermometer) 0 to 140°F, ±5°F (subdivision 5°F)
Range (hygrometer) 0 to 100%, ±2% (subdivision 2%)
Clock w/ small thermometer and hygrometer.
Diameter (mm/in): 248mm / 9.75in
Depth (mm/in): 40mm / 1.6in

Quantity	Price
1 – 9	$20.90
10 – 49	$19.86
50 +	$18.81

VEE GEE Wall-Mount Thermometer-Hygrometer suitable for laboratory or the home.

85002

VEE GEE 85002 Wall-Mount Thermometer-Hygrometer.
Range (thermometer °C) -40 to 50°C, ±2°C (subdivision 2°C)
Range (thermometer °F) -40 to 120°F, ±2°F (subdivision 2°F)
Range (hygrometer) 0 to 100%, ±2% (subdivision 2%)
Dual scale thermometer and small hygrometer.
Diameter (mm/in): 248mm / 9.75in
Depth (mm/in): 40mm / 1.6in

Quantity	Price
1 – 9	$17.10
10 – 49	$16.25
50 +	$15.39

..........................

WD-35700-10

Oakton Low-Cost Wall Mount Thermohygrometer.
Humidity (RH) Range: 25 to 80% (resolution 2.5%)
Accuracy: ±5% from 25 to 70%, ±8% from 71 to 80%
Temperature Range: -4 to 104°F, ±3.6° (resolution 2°F)
-20 to 40°C, ±2° (resolution 1°C)
Monitor the conditions of your lab, office, or food storage area with this economical thermohygrometer. Easy to read 5" dial indicators for both humidity and temperature.
View Datasheet
View Instructions

Quantity	Price
1	$26.15
2 – 5	$24.78
6 +	$23.40

WD-35700-20

Oakton Large Dial Wall Mount Thermohygrometer.
Humidity (RH) Range: 25 to 80% (resolution 5%)
Accuracy: ±5% from 25 to 70%, ±8% from 71 to 80%
Temperature Range: -22 to 122°F, ±3.6° (resolution 2°F)
-30 to 50°C, ±2° (resolution 1°C)
Ideal for the laboratory or the green house, this 10" large dial indicator features humidity and dual temperature display.
View Datasheet
View Instructions

Quantity	Price
1	$45.85
2 – 5	$43.44
6 +	$41.02

..........................

WD-35700-00

Oakton Wall Mount Thermohygrometer with Digital Thermometer.
Humidity (RH) Range: 20 to 100% (resolution 2%)
Accuracy: ±4% from 20 to 90%, ±8% from 90 to 100%
Temperature Range: 0 to 160°F, ±1.8° (resolution 0.1°F)
-18 to 72°C, ±1.0° (resolution 0.1°C)
This thermohygrometer remains accurate and stable without maintenance or adjustments. Switch-selectable between °F or °C scales.
Includes: mounting bracket, screws, plastic case, and AA battery (1).
View Datasheet
View Instructions

Quantity	Price
1	$136.80
2 – 5	$129.62
6 +	$122.40

Oakton Thermohygrometer, Glass Thermometer

WD-03313-70

Oakton Wall Mount Thermo hygrometer with Glass Thermometer.
Humidity (RH) Range: 20 to 99% (resolution 1%)
Accuracy: ±3% from 68 to 122°F; ±5% outside this range
Temperature Range: -4 to 120°F, ±3° (resolution 2°F)
-20 to 48°C, ±2° (resolution 1°C)
Use this indicator for RH and temperature readings in your lab, office, or computer room. Features and alcohol-filled glass thermometer.
Compact Design - only 4.1" diameter.
View Datasheet
View Instructions

Quantity	Price
1	$83.60
2 – 5	$79.21
6 +	$74.80

..........................

WD-08369-70

Oakton Economical Minidrum Hygrothermograph.
Humidity (RH) Range: 5 to 90%
Accuracy: ±7% from 5 to 10% RH, ±5% from 10 to 90% RH
RH Sensor: one human hair bundle
Temperature Range: 22 to 104°F, ±3.6° (-6 to 40°C, ±2°)
Temperature Sensor: aged bimetallic strip
7 day (172 hour) chart rotation, 3.63"H x 8.19"L chart size.
Compact size (7.38" H) makes this hygrothermograph fit almost anywhere and employs a quartz-controlled drive mechanism for constant speed; operatres for 6 months on one AA battery.
Includes: AA battery (1), felt-tipped pens (1 red, 1 blue), and 7-day sheet of chart paper.

Quantity	Price
1	$438.90
2 – 5	$415.86
6 +	$392.71

WD-35701-00

Oakton Economical Minidrum Hygrothermograph.
Humidity (RH) Range: 0 to 100%
Accuracy: ±5% from 20 to 90% RH, ±7% outside
RH Sensor: humidity sensing coil
Temperature Range: -27 to 122°F, ±3.6° (resolution 2°F chart graduations)
-15 to 50°C, ±2° (resolution 2° chart graduatios)
Temperature Sensor: aged bimetallic strip
7 day (172 hour) chart rotation, 3.7"H x 8.7"L chart size. Compact size (4.92" H x 7.28" W) makes this hygrothermograph fit almost anywhere and employs a quartz-controlled drive mechanism for constant speed.
Includes: AA battery (1) and 55 sheets of 7-day, °C chart paper.
Chart pens, and replacement batteries are sold separately.

Quantity	Price
1	$323.90
2 – 5	$306.90
6 +	$289.81

..........................

WD-37250-00

Oakton 3-Speed, Battery-Operated Hygrothermograph.
Humidity RH Range: 5 to 90% RH
Accuracy: ±3% from 10 to 90% RH, ±5% from 5 to 10% RH
RH Sensor: one human hair bundle
Temperature Range: 14 to 122°F, ±1.8°F
-10 to 50°C, ±1°C
Temperature Sensor: aged bimetallic strip
1 day (26hr), 7 day (172 hr), or 32 day (810 hr) chart rotation. 6.63"H x 11.5"L chart sizes.
This Hygrothermograph operates at 1, 7, or 32 day speeds with the flip of a switch. The quartz-controlled drive mechanism consistently rotates chart drum even when batteries are weak.
Includes: red felt-tipped pen, blue felt-tipped pen, roll of 7-day paper, C battery (2).

Quantity	Price
1	$597.80
2 – 5	$566.42
6 +	$534.88

WD-37250-10

Oakton 2-Speed, Spring Wound Hygrothermograph.
Humidity RH Range: 5 to 90% RH
Accuracy: ±3% from 10 to 90% RH, ±5% from 5 to 10% RH
RH Sensor: one human hair bundle
Temperature Range: 14 to 122°F, ±1.8°F
-10 to 50°C, ±1°C
Temperature Sensor: aged bimetallic strip
1 day (26hr) or 7 day (172 hr) chart rotation. 6.63"H x 11.5"L chart sizes.
The spring wound Hygrothermograph doesn't require any external power or batters - spring winding keeps the chart running for 8 days. Unit maintains a steady chart speed even when the motor begins to run down.
Shown with optional axial fan WD-37250-50.
Includes: gear for 1 day rotation, gear for 7 day rotation, red felt-tipped pen, blue felt-tipped pen, roll of 7-day paper, C battery (1).

Quantity	Price
1	$746.70
2 – 5	$707.50
6 +	$668.11

..........................

WD-37250-20

Oakton Long-Cycle Hygrothermograph.
Humidity RH Range: 5 to 90% RH
Accuracy: ±3% from 10 to 90% RH, ±5% from 5 to 10% RH
RH Sensor: one human hair bundle
Temperature Range: -20 to 50°C, ±1°C
Temperature Sensor: aged bimetallic strip
1 month (38 day) or 3 month (100 day) chart rotation. 6.13"H x 114"L (1 month) or 6.13"H x 300"L (3 month) chart sizes.
This Hygrothermograph records up to 3 months of readings and a quartz-controlled drive provides constant speed. Response time is 15 minutes for 45% of reading.
Includes: red felt-tipped pen, blue felt-tipped pen, roll of 1-month paper, C battery (1).

Quantity	Price
1	$1,096.00
2 – 5	$1,038.46
6 +	$980.65

WD-03316-70

Oakton Aneroid Barometer.
Barometric Pressure Range: 930 to 1070 mbar, ±1 (resolution 1 mbar)
27.5 to 31.6" Hg, ±0.03" (resolution 0.1" Hg)
Temperature Range: -14 to 122°F, ±1.8° (resolution 1°F)
-10 to 50°C, ±1° (resolution 1°C)
This aneroid barometer measures both barometric pressure and temperature, selectable between Fahrenheit and Celsius. Barometric pressure is displayed in mbar / inches. Requires no external power source or batteries.
View Instructions
View Datasheet

Quantity	Price
1	$259.30
2 – 5	$245.69
6 +	$232.01

..........................

WD-03316-72

Oakton Aneroid Barometer, Metric.
Barometric Pressure Range: 930 to 1070 mbar, ±1 (resolution 1 mbar)
698 to 802mm Hg, ±1mm (resolution 1mm Hg)
Temperature Range: -10 to 50°C, ±1° (resolution 1°C)
This aneroid barometer measures both barometric pressure and temperature in Celsius. Barometric pressure is measured in mbar/mm. Requires no external power source or batteries.
View Instructions
View Datasheet

Quantity	Price
1	$259.30
2 – 5	$245.69
6 +	$232.01

Oakton Barometer with Digital Thermometer

WD-03316-80

Oakton Aneroid Barometer with Digital Thermometer.
Barometric Pressure Range: 945 to 1045 mbar, ±1 (resolution 0.5 mbar)
27.9 to 30.9" Hg, ±0.03" (resolution 0.1" Hg)
Temperature Range: -4 to 140°F, ±1.8° (resolution 0.1°F)
-23 to 60°C, ±1° (resolution 0.1°C)
This barometer indicates barometric pressure on an analog display and selectable °F/°C temperature readings on a digital LCD for convenient monitoring. Barometric pressure is displayed in mbar / inches. Can be mounted to a wall for greater visibility.
Includes: mounting ring and AA battery.
View Instructions
View Datasheet

Quantity	Price
1	$195.70
2 – 5	$185.43
6 +	$175.10

..........................

4093

Control Company Traceable® Humidity/Temperature Pen with Memory
Temperature Range: 32.0 to 122.0°F (0.0 to 50.0°C).
Resolution: 0.1°.
Accuracy: ±1°C.
Relative Humidity Range: 20 to 95%.
Resolution: 1%.
Accuracy: ±3.5%RH midrange to ±5.5%RH elsewhere.
Size: 5-1/2 x 7/8 x 2/3 inches
Pen continuously and simultaneously displays both RH and °F/°C with dual-recall memories. Handy pocket clip makes it easy to carry. Memory displays highest and lowest humidity/temperature readings achieved overnight or during any time period. Three-quarter-inch-high LCD can be read at a glance. Meets Federal Government CLIA requirement 493.1252. Pocket pen has fast-response, solid-state sensors which respond in less than 6 seconds. Display is updated every second.
Includes: Traceable® Calibration Certificate to NIST standards, 1.5V battery for continuous, always-on monitoring for half a year, and Instruction Manual.

Quantity	Price
1	$49.63
2 – 9	$47.15
10 – 23	$44.67
24 +	$42.19

4380

Control Company Traceable® Radio-Signal Remote Min/Max Digital Hygrometer/Thermometer with Remote Module
Relative Humidity Range: 25 to 95%.
Resolution: 1%
Accuracy: ±2%RH mid-range to ±4%RH elesewhere.
Temperature Range: -4.0 to 140°F (-20 to 60°C). Fahrenheit and Celsius.
Resolution: 0.1°
Accuracy: ±1°C.
Remote Unit Transmission Range: 100 feet maximum (30 meters).
Place the main unit at your desk or bench. Place the remote sensor module in labs, ducts, and storage facilities—even outdoors. Remote sensor sends humidity and temperature signals to the main digital display. Main unit can receive and display data from up to three different remote sensor modules. Data is transmitted every 30 seconds. Display’s trend indicators show if humidity and temperature are rising or falling. Minimum and maximum memory display allows monitoring of conditions over short or long periods, including overnight or weekends. An alarm may be set in increments of 1% RH and 1°. The alarm sounds when the humidity or temperature exceeds the high and low set points.
Includes: Traceable® Calibration Certificate to NIST standards, one main unit, one remote sensor module, internal humidity sensor, internal temperature sensor, and alkaline batteries (batteries operate continuously for eight months) and Instruction Manual.

Quantity	Price
1	$66.65
2 – 9	$63.32
10 – 23	$59.99
24 +	$56.65

..........................

4195

Control Company Traceable® Digital Barometer
Barometer Range: 794 to 1050 mb (23.45 – 31.01 inHg)
Resolution: 1 mb/hPa (0.03 inHg)
Accuracy: ±5 mb (0.1477 inHg) at 25°C (77°F)
Temperature Range: 23.0 to 131.0°F (-5.0 to 55.0°C). Fahrenheit or Celsius.
Resolution: 0.5°
Accuracy: ±1.0°C (from 0 to 40°C) ±1.5°C (elsewhere)
Humidity Range: 10% - 98%.
Resolution: 1%
Accuracy: ±5% (30% - 80%) ±7% (elsewhere)
Also features: Weather Icon, Trend Chart, Alarm Clock/Calendar.
Measure atmospheric pressure, graphically display the barometric trend, and report relative humidity and temperature. Ideal for recording ambient changes in the lab, monitoring conditions affecting sample analysis, and assisting in the prediction of weather changes. Exceptionally accurate forecasting indicators show weather conditions for the next 24-hours using symbols for sunny, cloudy, rainy, and partly cloudy.
Includes: Traceable® Calibration Certificate to NIST standards, stand, wall-mount, four AAA alkaline batteries (batteries operate continuously for approximately one year) and Instruction Manual.

Quantity	Price
1	$137.47
2 – 9	$130.60
10 – 23	$123.72
24 +	$116.85

4197

Control Company Traceable® Compact Digital Barometer
Barometer Range: 794 to 1050 mb (23.45 – 31.01 inHg)
Resolution: 1 mb/hPa (0.03 inHg)
Accuracy: ±5 mb (0.1477 inHg) at 25°C (77°F)
Temperature Range: 23.0 to 131.0°F (-5.0 to 55.0°C). Fahrenheit or Celsius.
Resolution: 0.5°
Accuracy: ±1.0°C (from 0 to 40°C) ±1.5°C (elsewhere)
Humidity Range: 10% - 98%.
Resolution: 1%
Accuracy: ±5% (30% - 80%) ±7% (elsewhere)
Also features: Weather Icon, Trend Chart.
Measure atmospheric pressure, graphically display the barometric trend, and report relative humidity and temperature. Ideal for recording ambient changes in the lab, monitoring conditions affecting sample analysis, and assisting in the prediction of weather changes. Exceptionally accurate forecasting indicators show weather conditions for the next 24-hours using symbols for sunny, cloudy, rainy, and partly cloudy.
Includes: Traceable® Calibration Certificate to NIST standards, stand, wall-mount, four AAA alkaline batteries (batteries operate continuously for approximately one year) and Instruction Manual.

Quantity	Price
1	$113.63
2 – 9	$107.95
10 – 23	$102.27
24 +	$96.59