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Extech - Blowout Sale! Save up to 86%


Blowout Sale! Up to 86% off on Extech products at Graph Barometer. Hurry! Limited time offers. Offers valid only while supplies last.



Extech HD450 Datalogging Heavy Duty Light Meter
Extech HD450 Datalogging Heavy Duty Light Meter
In Stock
$269.99
$240.56
You Save: 11%

mpn: HD450, ean: 0793950104507,

4.1 out of 5 stars with 58 reviews
Automatically stores up to 16,000 readings or manually store/recall up to 99 readings. Large backlit LCD display with 40-segment bar graph. Wide range to 40,000Fc or 400,000 Lux. Peak mode (10µS) captures highest reading. Built-in USB port includes ...


Extech EMF450 Multi-Field EMF Meter
Extech EMF450 Multi-Field EMF Meter
In Stock
$299.99
$287.32
You Save: 4%

mpn: EMF450, ean: 0793950224502,

4.0 out of 5 stars with 46 reviews
The EMF450 is a convenient 3-in-1 EMF meter which simultaneously measures and displays Magnetic Field, Electric Field and Radio Frequency Strength. Ergonomic pocket-sized design with an easy-to-navigate menu. Large vivid color TFT display shows digit...


Extech 380580 Battery Powered Milliohm Meter
Extech 380580 Battery Powered Milliohm Meter
In Stock
$549.00
$510.12
You Save: 7%

mpn: 380580, ean: 0793950385814,

4.2 out of 5 stars with 25 reviews
Battery Powered Milliohm Meter Battery operated to facilitate in-the-field use, Extech's 380580 Milliohm Meter provides five resistance ranges with resolution as low as 0.1 milliohms, and the 4-wire Kelvin clip connection provides optimum accuracy. T...


Extech 341350A-P Oyster Series pH/Conductivity/TDS/ORP/Salinity Meter
Extech 341350A-P Oyster Series pH/Conductivity/TDS/ORP/Salinity Meter
In Stock
$479.99

mpn: 341350A-P, ean: 0793950343524,

Extech 341350A-P Oyster Series pH/Conductivity/TDS/ORP/Salinity Meter, Large LCD built into adjustable "flip-up" cover displays measurement and Temperature simultaneously 341350A-P is a pH/Conductivity/TDS/ORP/Salinity meter with a large LCD built in...


EXTECH INSTRUMENTS MA220-VP AC/DC Clamp Meter, 400A
In Stock
$109.95

mpn: MA220-VP,

Compact size allows measurements in tight locations. Compact size, auto-ranging 400a clamp with high accuracy for current measurements. Made in United States.Compact size allows measurements in tight locations. High accuracy for current measurements....


Extech MO55 Compact, Combination Pin and Pinless Moisture Meter
Extech MO55 Compact, Combination Pin and Pinless Moisture Meter
In Stock
$128.38
$120.84
You Save: 6%

mpn: MO55,

4.3 out of 5 stars with 20 reviews
Lab Equipment & Instruments. Extech MO55 Compact, Combination Pin and Pinless Moisture Meter. Manufactured by COLE-PARMER. Extech brand products.Lab equipment & instruments. Made in china. Manufactured by COLE-PARMER. ...


Extech LT300 Light Meter
Extech LT300 Light Meter
In Stock
$159.99
$145.98
You Save: 9%

mpn: LT300, ean: 0793950473009,

4.9 out of 5 stars with 10 reviews
Extech LT300 Light Meter; Wide range to 40,000Fc or 400,000 Lux with max resolution to 0.01 Fc/Lux; Relative mode indicates change in light levels, peak mode captures highest reading Insufficient lighting can create security risks or result in OSHA c...


Extech MF100 AC/DC Magnetic Field Meter
Extech MF100 AC/DC Magnetic Field Meter
In Stock
$429.99
$350.69
You Save: 18%

mpn: MF100, ean: 0793950361108,

4.0 out of 5 stars with 50 reviews
The MF100 is an AC/DC Magnetic Field Meter. This magnetic field meter features automatic temperature compensation with its Hall effect sensor. Complete with uniaxial magnetic probe sensor and protective cover, 9V battery and hard carrying case.Utiliz...


Extech 380193 Passive Component LCR Meter
Extech 380193 Passive Component LCR Meter
In Stock
$219.99
$169.11
You Save: 23%

mpn: 380193, ean: 0793950381939,

4.6 out of 5 stars with 56 reviews
Measure inductance, capacitance, & resistance with Jameco's stock of extech inductance meters. These passive component LCR meters allows you to set Hi / Lo limits using absolute values or percentage limits. You'll discover the tremendous value with a...


Extech Instruments LT300-NIST Light Meter with NIST
Extech Instruments LT300-NIST Light Meter with NIST
SKU: #LT300NIST
In Stock
$350.19
$295.00
You Save: 16%

sku: LT300NIST, mpn: LT300-NIST,

4.1 out of 5 stars with 54 reviews
Large 3-1/2 digit (1999 count) LCD with over-range indication. Two ranges: 200.0 (0.1Fc) and 2000 (1Fc). Precision color-corrected, photo-diode sensor. Battery operated with low battery indication. Complete with 9V battery, remote light sensor with 4...


Extech CL207 1ppm Standard for Chlorine Meters Calibration. 3 Ampules (20 ml Each).
Extech CL207 1ppm Standard for Chlorine Meters Calibration. 3 Ampules (20 ml Each).
In Stock
$210.58
$50.99
You Save: 76%

mpn: CL207,

4.7 out of 5 stars with 16 reviews
adhesive-tapesUse With: Chlorine Meter calibration. Description: 1ppm Standard for Chlorine Meters Calibration. 3 Ampules (20 ml Each).. Number Of Items: 3. ...


Extech VB400 Pen Vibration Meter
Extech VB400 Pen Vibration Meter
In Stock
$579.00
$288.74
You Save: 50%

mpn: VB400, ean: 0793950714003,

4.4 out of 5 stars with 13 reviews
View larger Pen Vibration Meter The VB400 is designed to provide easy and accurate velocity and acceleration measurements on industrial machinery. Measurement ranges: Acceleration (RMS): 656ft/s2; 20.39g; 200m/s2; Velocity (RMS): 7. 87in/s; 2.00cm/s...


Extech CO250 Portable Indoor Air Quality CO2 Meter/Datalogger
Extech CO250 Portable Indoor Air Quality CO2 Meter/Datalogger
In Stock
$399.99
$222.95
You Save: 44%

mpn: CO250, ean: 0793950502501,

4.0 out of 5 stars with 18 reviews
Check air quality in schools, office buildings, greenhouses, and anywhere that high levels of carbon dioxide are generated. Features a maintenance-free NDIR (nondispersive infrared) CO2 sensor, user-programmable audible alarm, backlit LCD, and RS-232...


Extech DO700 Portable Dissolved Oxygen Meter
Extech DO700 Portable Dissolved Oxygen Meter
In Stock
$649.99
$649.00

mpn: EXTDO700, ean: 0793950067000,

Versatile meter can read dissolved oxygen concentration/saturation, plus up to 7 other water quality parameters for extreme convenience. Automatic salinity and manual barometric pressure compensation provides accurate DO readings in a variety of cond...


Extech EC170 Compact Conductivity and TDS Meter
Extech EC170 Compact Conductivity and TDS Meter
In Stock
$478.95
$68.95
You Save: 86%

mpn: EC210, ean: 0793950052105,

4.6 out of 5 stars with 11 reviews
EC210 is a Compact handheld Conductivity Meter with long life carbon rod combination electrode measures Conductivity, TDS and Temperature. Units of measure include μS/cm, mS/cm, ppm, °F, and °C. The meter features three ranges for Conductivity and...


Extech VFM200 VOC/Formaldehyde Meter
Extech VFM200 VOC/Formaldehyde Meter
In Stock
$299.99
$215.99
You Save: 28%

mpn: VFM200, ean: 0793950722008,

4.4 out of 5 stars with 53 reviews
The VFM200 is a voc/ formaldehyde meter which measures voc (volatile organic compound) and formaldehyde concentrations in real-time. Fast response time, compact, easy-to-carry, and excellent for Checking the Indoor air quality of homes, offices, fact...


Extech DO600-K Waterproof ExStik II Dissolved Oxygen Meter Kit
Extech DO600-K Waterproof ExStik II Dissolved Oxygen Meter Kit
In Stock
$369.99
$207.00
You Save: 44%

mpn: DO600-K, ean: 0793950066003,

4.6 out of 5 stars with 57 reviews
EXTECH DO600-K EXSTIK II DISSOLVED OXYGEN METER KIT3.8 oz Meter Weight. 16 ft Extension Cable. 1.4" D x 6.9" H x 1.6" W Meter. Kit with DO600, replacement membrane kit, and 16ft (5m) extension cable with probe guard. Kit includes DO600 meter, DO603 m...


Extech MO257 Pinless Moisture Meter
Extech MO257 Pinless Moisture Meter
In Stock
$209.99
$151.19
You Save: 28%

mpn: MO257, ean: 0707223290590,

4.2 out of 5 stars with 33 reviews
Monitor moisture in wood and other building materials with virtually no surface damage Relative pinless moisture reading for non-invasive measurement from 0.0 to 100.0 with 0.1 resolution. Multifunction backlit triple LCD display. Pinless measurement...


Extech HD400 Light Meter
Extech HD400 Light Meter
In Stock
$209.99
$158.39
You Save: 25%

mpn: HD400, ean: 5053252182265,

4.2 out of 5 stars with 55 reviews
View larger Heavy Duty Light Meter The HD400 is a rugged light meter that measures a wide range to 4,000 Fc or 40,000 Lux using a precision silicon photo diode and spectral response filter with cosine and color corrected measurements. Peak mode (10 ...


Extech PT300 Pressure Transducer (300PSI)
Extech PT300 Pressure Transducer (300PSI)
In Stock
$299.99
$298.11

mpn: PT300, ean: 0793950233009,

Pressure Transducer 300 PSI for Models SDL700 and 407495. For air or non-corrosive/non-ionized gas. 1/4” PS, 19 teeth per inch with 3.9ft/1.2m cable.For air or non-corrosive/non-ionized gas. 1/4" PS, 19 teeth per inch with 3.9ft/1.2m cable. For use...



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