Manufacturer’s Warranty1 Year111111111111111

Extech® USB Temperature and Humidity/Temperature Dataloggers8583

Perfect for monitoring conditions in warehouses, storage rooms, etc.These dataloggers feature a USB interface for easy set-up and data download of temperature and temperature/humidity readings. The Model TH10 Temperature Datalogger records up to 32,000 temperature readings, and the Model RHT10 Humidity and Temperature Datalogger datalogs up to 16,000 humidity readings and 16,000 temperature readings. You can choose from two start methods, instant or manual. Both dataloggers feature dew point indication, selectable data sampling rates, user-programmable alarm thresholds, and status indication by LED. Each datalogger comes complete with a 3.6V Lithium battery, protective USB cap, mounting bracket, and Window®-compatible software for analysis. One-year manufacturer’s warranty.

Temperature: Range, -40°F to 158°F (-40°C to 70°C); Resolution, 0.1°F/°C; Accuracy (%rdg+digits), ±1.0°F/±0.5°C (-4°F to 122°F/-20°C to 50°C), ±1.8°F/±1.0°C (all other ranges). Humidity (Model RHT10 only): Range, 0% to 100% RH; Resolution, 0.1% RH; Accuracy, ±3% RH. Datalogging Interval: 2 seconds to 24 hours. Battery Life: approx. 1 year. Dimensions: 5.1˝ x 1.1˝ x 0.9˝. Weight: 1 oz.

Model TH10 Temperature USB Datalogger 4 oz. 89352 $56.99Model RHT10 Humidity and Temperature USB Datalogger 3 oz. 89353 $89.99

New! Extech® RH, Temperature and Pressure Datalogger

Temperature Range: -40°F to 158°F (-40°C to 70°C). Temperature Resolution (Max): 0.1°F/°C. Temperature Accuracy: ±1.8°F/°C. Humidity Range: 0 to 100% RH. Humidity Resolution (Max): 0.1% RH. Humidity Accuracy: ±3.5% RH. Air Pressure Range: 13.7 to 15.2 psi, 950 to 1050 hPa, 95 to 105 kPa, 0.9 to 1.0 bar. Air Pressure Resolution (Max): 0.1. Air Pressure Accuracy: ±0.25% FS. Memory: 10,000 points. Dimensions: 5.1˝ x 1.1˝ x 0.98˝. Weight: 1 oz.

Extech® RH, Temp and Pressure Datalogger 5 oz. 89396 $159.99

Taylor® Orchard Thermometer1817

°FahrenheitGuaranteed accurate to 1/2°. Reads 10°F to 100°F in 1° divisions. Indicates present temperature and lowest temperature reached since last setting. Tilt upward to reset. Stainless steel back. Red liquid. 13-1/4˝ Long.

Taylor Orchard Thermometer 5 oz. 89065

6+$32.75 $30.25

Min/Max Dial Type Thermometer4154

°Fahrenheit / °CelsiusRegisters high and low readings. Manual reset. Range: -20°F to 140°F (-30°C to 60°C). Dimensions: 8˝ x 9˝.

Min/Max Dial Type Thermometer 4 oz. � 89126

6+$16.95 $14.95

Taylor® Non-Mercury Maximum-Minimum5432

°Fahrenheit / °CelsiusMeasures highest and lowest temperatures reached in any period, as well as present temperature range. Resets with a push button. Filled with alcohol-based Permacolor. 10-1/2˝L x 2-3/8˝W.

-40°F to +120°F (-40°C to +50°C), grad. every 2° 4 oz. � 89024

10+$31.50 $28.95

Durac® Digital Max/Min Thermometer7475

°Fahrenheit / °CelsiusDisplays current, maximum, and minimum temperatures. Reset the maximum and minimum temperatures with the press of a button. The weatherproof design allows for use indoors or outdoors. Features keyhole mounting. Two AAA batteries included.

Range: 14°F to 122°F (-10°C to 50°C). Resolution: 0.1°. Accuracy: ±1.8°F (±1°C).

Durac Digital Max/Min Thermometer 8 oz. � 89097

6+$35.95 $33.95

Digital Max/Min Thermometer2102

Records the minimum and maximum temperatures for 7 days at a time! Other features include water-resistant housing, a cover for preserving the LCD display, low battery indicator, selectable °C or °F, dual channels with separate temperature readings for each probe, reset button, and auto-off display. GLOBE approved.

Measurement Range: -40°F to 120°F (-40°C to 50°C). Accuracy: ±1/8°F or ±1°C. Sensors: Two with 5´L sensor leads. Power: Two AA cell batteries (not included).

Digital Max/Min Thermometer 11 oz. 89212

6+$31.25 $27.50

AA cell Alkaline Batteries, pack of 4 7 oz. 02352 $3.25

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www.forestry-suppliers.com Forestry Suppliers, Inc. Catalog 64466

Weather Instruments

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Non-Mercury Taylor® Sling Pocket Psychrometer5443

°FahrenheitA self-contained pocket case and slide rule sling psychrometer. High-impact plastic. White on black scale markings. Red liquid (alcohol) filled. 6-7/8˝ Long.

20°F to 120°F in 1° divisions, Red liquid � 5 oz. 88982 $67.95Replacement Wicks, Pack of 12 1 oz. 88989 $10.95

Forestry Suppliers Non-Mercury Pocket Sling Psychrometer8519

°FahrenheitConvenient, lightweight, and portable. Two replaceable laboratory type, liquid-filled, non-mercury thermometers mounted on a flanged back. A swivel handle and chain facilitate whirling. Protective carrying case with retaining flap. Slide rule included.

30°F to 110°F in 1° divisions

� 6 oz. 89080 5+

$52.95 $47.65

Replacement Thermometer for 89080 � 1 oz. 89081 $14.50Replacement Wicks, Pack of 12 1 oz. 88989 $10.95

Student Psychrometer Kit5447

°CelsiusDeveloped by teachers and scientists for students to learn first-hand about determining dew point and relative humidity. It may be used with any curriculum to grab students’ interest. The kit includes a wet bulb wick, two dry bulb thermometers, and a Teacher’s Guide with Psychrometric Tables.

Student Psychrometer Kit � 2 oz. 89076 10+ 20+

$10.25 $9.75 $9.25

Non-Mercury Sling Psychrometer2340

°CelsiusMeets the GLOBE program protocols for relative humidity. Safe and easy to use, this sling psychrometer allows for easy conversion of wet and dry bulb readings to relative humidity - eliminating the need for conversion tables! Features a durable plastic case, slide rule and a red spirit thermometer.

Measuring Range: -5°C to 50°C; 10% to 100% RH. Accuracy: ±0.5°C; 5% RH. Graduations: 0.5°C; 2% RH. 8.25˝ Long.

Psychrometer, Sling � 3 oz. 89288 $49.95

Sling Psychrometer5445

°Fahrenheit or °CelsiusU.S. Weather Bureau Type – two 9-1/2˝ long, carefully matched thermometers on a stainless steel back. 1° Graduations. Hardwood swivel-type handle. Furnished with wick. Note: Slide rule not included, see 89197.

-20°F to +120°F, Red Liquid � 5 oz. 89194 $69.95Replacement Thermometer for 89194 � 1 oz. 89291 $22.30-30°C to +50°C, Red Liquid � 5 oz. 89192 $69.95Replacement Thermometer for 89192 � 1 oz. 89193 $22.30

Bacharach Pocket-Size Sling Psychrometer with Built-in Scale5446

°Fahrenheit or °CelsiusAutomatic wick wetting from built-in water reservoir. Sensitive thermometers store in plastic handle. Storage handle has built-in slide rule scales for determining relative humidity. Pocket-sized, 7-1/2˝L, 1˝ diameter.

25°F to 120°F, graduated every 1°, Red Liquid � 5 oz. 89085 $91.25-5°C to +50°C, graduated every 1/2°, Red Liquid � 5 oz. 89053 $91.25Replacement Thermometer for 89085 � 1 oz. 89086 $34.95Replacement Thermometer for 89053 � 1 oz. 89056 $34.95Replacement Cistern Cap 1 oz. 89044 $8.50Replacement Wicks, Pack of 12 1 oz. 88989 $10.95

Psychrometric Slide Rule6474

Converts wet and dry bulb temperature into percent of relative humidity. Durable plastic, 7-1/4˝L.

Scales: wet and dry bulb temps, 20°F to 100°F; relative humidity, 10% to 100%.

Psychrometric Slide Rule 1 oz. � 89197 $11.75

New Taylor® Mason’s Hygrometer5452

°FahrenheitWet and dry bulb thermometers mounted on a plastic case. Relative humidity table included. Permacolor™-filled tubes.

Temperature Range: 0°F to 120°F. Graduations: every 2°. Dimensions: 10˝ x 4˝.

Taylor Mason’s Hygrometer, Model 5525J1 7 oz. � 89077 $39.95

Forestry Suppliers, Inc. Catalog 64 Orders 800.647.5368 467

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Pack of 55 50212 -20°C to +50°C; 0-100% 7-day � 12 oz. 92487 $38.9550202 10°F to 120°F; 0-100% 7-day � 12 oz. 92547 $38.9550203 -30°F to 80°F; 0-100% 7-day � 12 oz. 92548 $38.95

Pack of 25 M699120 -10°C to +50°C; 0-100% 31-day � 13 oz. 92474 $38.9550208 10°F to 120°F; 0-100% 31-day � 7 oz. 92552 $38.95

Psychro-Dyne Portable Battery-Operated Psychrometer5454

°FahrenheitManufactured to rigid U.S. Weather Bureau and Navy specifications for indicating wet and dry bulb temperatures for relative humidity and dew point determinations. Reads from 10°F to 120°F in 1° graduations. The Organic thermometer eliminates the danger that broken mercury thermometers pose around electrical or electronic equipment. Features a miniature fan which provides constant air motion over the 8-7/8˝ thermometers - no whirling is required. Humidity is determined from included psychrometric tables. Each lightweight unit includes a high-impact case, pair of matched thermometers, magnetic fan motor, 2 oz. plastic

water bottle, illuminating lamp, psychrometric slide rule, spare parts kit including wick and lamp, and manual. Three D-cell batteries (sold separately) last about 1,000 operations. Meets federal spec. GG-P-725B.

Psychrometric Tables: 10°F to 140°F for RH and Dewpoint in 1° graduations. Accuracy: ±1% of full scale. Thermometers: 10°F to 120°F (±0.3°F) in 1° graduations. Accuracy: ±0.3° over entire range. Dimensions: 10˝ x 4-1/2˝ x 2˝.

Organic °F Psychrometer 3 lbs. 89406 $175.00D Cell Battery, single 6 oz. 02180 $2.45

Thermometer Shelter6495

Meets GLOBE SpecificationsThis shelter will house a U-tube minimum/maximum thermometer, a temperature dial, or a standard thermometer. Constructed of wood with louvered front and sides. The bottom panel has holes to increase natural ventilation. The shelter is painted white and includes a lock and key. Mounting holes are provided to install shelter on a wall with a northern exposure to prevent excessive heating by the sun. If installed on a post, a protective sun shade should be used. Meets GLOBE specifications. Inside dimensions: 9˝W x 6˝D x 17-3/4˝H.

Thermometer Shelter 12 lbs. 89129 $135.00

JIM-GEM® Small Instrument Shelter5504

Designed to house a single instrument such as a hygrothermograph or thermograph.Mounts on post or leg supports (not supplied). Can also be mounted on wood stand (sold separately below). Sides are horizontally slatted for free airflow without allowing sun, rain, or wind into instrument inside. Made of wood, painted white. Outside dimensions: 19˝W x 11-1/2˝D x 19˝H.

JIM-GEM Small Instrument Shelter � 33 lbs. 89134 $116.75Wood Stand – pressure treated wood legs, 48˝H x 19˝W x 10-3/4˝D � 19 lbs. 89122 $79.95

Hi Q Hygrothermograph5461

Measures and records temperature and relative humidity.May be installed indoors or outdoors in a protective shelter. All internal parts are chrome-plated brass, and pivots are polished instrument grade stainless steel. An externally operated pen lifter backs the pens from the chart to avoid ink splatter when the case is opened. Base of case is cast aluminum. Large openings in the sides, end, and bottom permit free flow of ambient air to the sensors. A glass window exposes the chart and the internal mechanisms for viewing. Clock timing is factory set. but can be adjusted in the field. Requires two AA alkaline batteries (not included). Includes pens and one pack of 55 charts. Refills and replacement Hair bundles available.

Sensors: Temperature, aged bimetal. Humidity, treated hair bundles. Span: Temperature, 110°F/60°C, adjustable up or down scale. Humidity, 0-100%. Accuracy: Temperature, ±1%. Humidity, ±1% mid-scale, ±3% extremes. Chart divisions: Temperature, 1°C or 2°F. Humidity, 1%. Chart size: 7˝H x 11˝L (178 mm x 280 mm). Clock type: 1.5V battery operated. Drum rotation: one-day and seven-day (26 and 176 hours) or 31-day (switch selectable). Pen type: cartridge, replaceable. Size: 12-1/2˝L x 11-1/2˝H x 6˝D (318 mm x 292 mm x 152 mm).

Hi Q Hygrothermograph � 10 lbs. 92544 $829.50Blue Cartridge Pen Refill 1 oz. 92605 $19.35Red Cartridge Pen Refill 1 oz. 92606 $19.35AA cell Alkaline Batteries, pack of 4 7 oz. 02352 $3.25Replacement Hair Bundle 1 oz. 92613 $75.00

www.forestry-suppliers.com Forestry Suppliers, Inc. Catalog 64468

Weather Instruments

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Manufacturer’s Warranty1 YearManufacturer’s Warranty1Year11111111111111111

Digital Max/Min Thermohygrometer1555

°Fahrenheit / °CelsiusPocket-sized meter displays relative humidity and temperature simultaneously, stores min./max. humidity and temperature readings, and switches easily between °F and °C. Large LCD screen with oversized digits. Belt clip, carrying pouch, and two watch-type batteries included.

Digital Max/Min Thermohygrometer � 2 oz. 76255 3+

$45.75 $42.50

Relative Humidity: range, 20 to 95% RH; resolution, 1% RH; accuracy, ±5% RH within 40 to 80% RH, else ±7% RH. Temperature: range, 32°F to 122°F (0°C to +50°C); resolution, 0.1°F (0.1°C); accuracy, ±2°F (±1°C) from 32°F to 104°F (0°C to 40°C), ±4°F (±2°C) from 104.1°F to 122°F (40.1°C to 50°C). Battery life: 4,000 hrs. continuous. Dimensions (approx.): 5-3/4˝L x 1˝W x 1-1/4˝H.

JIM-GEM® Fire Weather Instrument Kit1545

Measures and records conditions that dictate fire fighting strategy!Includes wind meter that measures up to 60 mph, compass graduated 0-360° (Azimuth) for wind direction and fire location, sling psychrometer and psychrometer slide rule for wet and dry bulb temperature (30°F to 110°F), water bottle for wet bulb, 100 page notebook for recording data, mechanical pencil, and belt-worn carrying case.

JIM-GEM Fire Weather Instrument Kit 1 lb. 89088 5+

$122.95 $102.95

Carrying Case 3 oz. 89289 $20.25Dwyer Hand-Held Wind Meter, English Model � 3 oz. 89001

10+$21.95 $19.75

Dwyer Hand-Held Wind Meter, Metric Model � 3 oz. 89000 10+

$21.95 $19.75

Suunto Smoke Killer II � 2 oz. 37153 $12.75Psychrometric Slide Rule � 1 oz. 89197 $11.75Water Bottle 1 oz. 89295 $1.95Notebook 5 oz. 89294 $8.95Mechanical Pencil 1 oz. 89296 $1.50Forestry Suppliers Non-Mercury Pocket Sling Psychrometer, 30°F to 110°F in 1° divisions

� 6 oz. 89080 5+

$52.95 $47.65

Delmhorst® HT-3000 Thermo-Hygrometer2777

Ideal for use by IAQ and mold remediation specialists, flooring professionals, restoration contractors, home inspectors, general contractors, and woodworkers! Use this precision thermo-hygrometer in conjunction with a moisture meter to determine air quality and detect the presence of moisture. The meter features selectable screen displays and provides temperature, relative humidity, dewpoint, and GPP (grains per pound) measurements. Other features include fast response time, data hold, and automatic power down. Carrying case included. One year manufacturer’s warranty.

Range: Relative humidity, 0 to 100%; Temperature, -4°F to 158°F (-20°C to 70°C); Dew point, -40°F to 176°F (-40°C to 80°C); GPP, 0.55 GPP to 3,868 GPP. Resolution: Relative humidity, 0.1%; Temperature, 0.1°. Accuracy: Relative humidity, ±3%; Temperature, ±1.8°F (1°C). Power: one 9V alkaline battery. Battery life: approximately 55 hours of constant use (no backlight) or 23 hours (with backlight).

Delmhorst HT-3000 Thermo-Hygrometer 2 lbs. � 79327 $309.009V Battery, single 3 oz. 02179 $3.20

Oakton® Hygrometer/Thermometer5453

°Fahrenheit / °CelsiusMonitor temperature and humidity conditions with one unit!

Temperature readout: °F or °C. Range: 20% to 100% RH, 0°F to 160°F/-18C° to +72°C. Resolution: 2% RH, 0.1°F or °C. Accuracy: ±4% RH, Full Scale, ±1.8°F/±1°C. RH response: 90% in 1 minute. Power: one AA 1.5-V battery (included). Dimensions: 1.1˝D x 5˝ diameter.

With Digital Temperature Display1 lb. � 76151 $159.95

Extech® Hygro-Thermometer with Infrared Thermometer2545

°Fahrenheit / °CelsiusDisplays ambient temperature as well as humidity or non-contact surface temperature simultaneously. The infrared thermometer features a built-in laser pointer for excellent aim and accuracy. Temperature can be displayed in °F or °C. Separate MAX and HOLD functions provide added versatility. Large backlit display, auto power off to conserve battery life, and low battery and overrange indicators. Built-in stand, protective holster, probe with 39˝ coiled cable, 9V battery, and carrying case included.

Humidity: Range, 10% to 95%; Resolution, 0.1%; Accuracy, ±3.5% . In f rared temperature: Range, -58°F to 932°F (-50°C to 500°C); Resolution, 0.1°; Accuracy, ±2% or ±4°F (±2°C). Air temperature: Range, -4°F to 140°F (-20°C to 60°C); Resolution, 0.1°; Accuracy, ±3°F/°C. Emissivity: 0.95. Field of view: 8:1. Dimensions: 5.9˝ x 2.95˝ x 1.57˝.

Hygro-Thermometer with Infrared Thermometer 1 lb. � 76011 $179.99

Forestry Suppliers, Inc. Catalog 64 Orders 800.647.5368 469

Weather Instruments

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New! Wireless Indoor/Outdoor Thermo-Hygrometer6475

°Fahrenheit / °CelsiusWith this precision instrument, you can monitor indoor and outdoor temperature from up to three remote locations, as well as take indoor humidity readings. One wireless sensor for monitoring outdoor temperature is included with the unit. To obtain outdoor humidity measurements also, simply add a Remote Temperature/Humidity Sensor (sold separately). Data can be wirelessly transmitted from 100 feet away. A customizable temperature and humidity alarm alerts you to high or low temperature levels, and three levels of temperature and humidity trends can be displayed. The ice warning feature alerts you when the outdoor temperature nears freezing, and the heat index indicator warns you of dangerously high temperatures. A moon phase icon allows you to easily gauge the moonlight and tides. In addition, the unit’s self-setting alarm

clock automatically adjusts itself to the U.S. Atomic Clock and features a crescendo alarm and snooze function. The day and month can also be displayed in five different languages.

Remote temperature range: -22°F to 140°F (-30°C to 60°C). Temperature resolution: 0.2°F (0.1°C). Outdoor temperature receiving cycle: 39 seconds. Operating temperature range: 23°F to 122°F (-5°C to 50°C). Relative humidity range: 25% to 95% RH. Temperature compensation range: -10°C to 60°C. Dimensions: Main unit, 5˝ x 4.5˝ x 2˝; Sensor, 3.6˝ x 2˝ x 9˝.

Temperature and Humidity Station Weather 300 10 lbs. 94521 $36.75Remote Temperature/ Humidity Sensor 6 oz. 94538 $33.25Note: To measure outdoor humidity, 94538 must also be purchased along with 94521.

Taylor® Professional Digital Humidiguide®

5455

°FahrenheitHighly accurate instrument with digital display of temperature and humidity in easy-to-read 1/2˝ digits. Use indoors or outdoors.

Range: -46°F to +166°F, 20% to 95% R.H. Graduations: 0.1°F, 1% RH. Accuracy: ±2°F, ±5% RH. Reaction time: 60 seconds. Dimensions: 5-3/8˝ x 2-1/2˝ x 5/8˝. Power: one AAA size battery (included).

Taylor Digital Humidiguide � 4 oz. 76199 $59.95

Digital Hygro-Thermometer

2341

Meets GLOBE SpecificationsThis Hygro-Thermometer meets the GLOBE Protocols for air temperature, relative humidity, soil temperature and maximum-minimum and current temperatures. Features include large, bold numbers, a dual display for temperature and humidity, max/min temperature and humidity memory, and a freeze alert. Mounts easily by key hole, Velcro®, magnet or the flip-out desk stand.

Measuring Range: Temperature, -58°F to 158°F/-50°C to 70°C; Humidity, 20% to 99% RH. Accuracy: Temperature, ±1°F/±0.5°C; Humidity, 5%. Resolution: 0.1°; 1%RH. Sampling Time: 10 Seconds. Battery: One 1.5V (included).

Thermohygrometer, Digital 6 oz. � 89345 $27.25

Digital Thermohygrometer

7136

Meets GLOBE SpecificationsContinuously and simultaneously displays relative humidity and temperature in °F/°C with dual-recall memories. The extra-large, easy-to-view, 5/8˝ high digits can be read at a glance from as far away as 20 .́ ABS Plastic housing is chemical- and shock-resistant. Supplied with a wall mount and bench stand, switch to read °F/°C, fast-response, solid-state sensors, and two AAA batteries.

Temperature: Range, 32°F to 122°F/0°C to 50°C; Resolution, 1°; Accuracy, 1°C. Humidity: Range, 25 to 95%; Resolution, 1% RH; Accuracy, ±2% (mid-range) to ±4% (ends-of-range). Update Rate: 1 second. Dimensions: 2-5/8˝ x 3-7/8˝ x 5/8˝.

Digital Thermohygrometer 4 oz. � 89340 $50.95

Thermo-Hygrometer Max-Min Clock5451

°Fahrenheit / °CelsiusThree instruments in one handy desktop unit! Displays temperature in both °C and °F, humidity, and time on three large LCDs. The clock function automatically displays 12-hour time with AM/PM indication when in °F mode and 24-hour time when in °C mode. Memory with reset function stores minimum and maximum temperature and humidity measurements. Unit comes complete with a built-in tilt stand, wall mounting bracket, and one AAA battery.

Measuring range: Temperature, 14°F to 140°F (-10°C to 60°C); Relative Humidity, 25% to 95%. Accuracy: Temperature, ±1.8°F (±1°C); Relative Humidity, to ±6%. Resolution: Temperature, 0.1°F or/°C; Relative Humidity, 1%. Dimensions: 4.3˝ x 2.8˝ x 0.8˝.

Thermo-Hygrometer Max-Min Clock 5 oz. � 76254 $33.99

Taylor® Indoor/Outdoor Digital Thermometer with Humidity Gauge2103

°Fahrenheit / °CelsiusFeatures a large, easy-to-read, backlit LCD. Displays and records max/min indoor and outdoor temperatures as well as indoor humidity. °F/°C selectable. Includes detachable external sensor probe with 10´ of cable. Desk or wall-mount design.

Indoor temperature range: 32°F to 122°F (0°C to 50°C). Outdoor temperature range: -58°F to 158°F (-50°C to 70°C). Resolution: 2°F (1°C). Indoor humidity range: 25% to 95%. Power: 1 AAA battery (included).

Taylor Indoor/Outdoor Digital Thermometer with Humidity Gauge 8 oz. � 89214 $13.50

www.forestry-suppliers.com Forestry Suppliers, Inc. Catalog 64470

Weather Instruments

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