Software communication problems can occur due to a few reasons. Please click on the appropriate troubleshooting guide (link) below for assistance. WT Meter – Digital Psychrometer and Portable Thermometer Hygrometer with LCD Monitor,. Extech RH Precision Dual Display Hygro Thermometer Psychrometer. RH Dual Display Hygro-Thermometer Psychrometer. On Sale Extech RH ✅ Engineers on staff. ✅ FAST quotes ✅ We accept POs.

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Sensors and instruments are assembled, r4h90 and calibrated prior to shipment. Check with the regulatory body you are testing to. What is the correct procedure to make measurements with my light meter? Do you have temperature sensors that are rated to read very high temperatures? What is the difference between A and C Weighting. See our PQ and Pq meters.

Thanks for submitting a quote request. You can view the fh490 specifications of our mini clamp meters online. Warranties extended beyond factory standards are offered on many items to ensure a lasting useful life. Extensive measurement technology, product troubleshooting and instrument repair workshops are offered at the factory. All Extech products are factory calibrated prior to shipment.

RH Precision Hygro-Thermometer | Extech Instruments

Extech meters should be calibrated annually. The estimated delivery time depends on the shipping method you choose during checkout. As the delivery of your order is beyond Fondriest’s control once your order leaves the Fondriest warehouse, we cannot assume liability for late deliveries, regardless of the delivery method you specify.

To send your meter to be NIST calibrated please contact our return department for a return authorization number sxtech other return information. Allow time for the paint or tape to adjust to the temperature of the surface it is covering. Discounts High volume purchases lead to favorable pricing, which is passed on extecy the customer by way of discount off MSRP.


Measurements should normally be made as close as possible based on the Distance to spot ratio of the meter. The estimated lead times are in business days Monday through Friday, excluding federal holidays.

Check the data sheet for the meter of interest.

Extech RH490 Precision Hygro Thermometer Hygrometer

Contact our Technical support team for more information. Technical Support has a list of fuses used in our multimeters. Email correspondence is responsive and a toll free number is available for added convenience. The tachometers that use reflected light require the tape. If you are willing to assume the risks of delivering your order without a signature, you may authorize Fondriest to arrange for a delivery that does not require anyone to be at the delivery address.

NIST calibrations with data can be purchased for an additional charge for most products.

The ‘Delivers’ timeframe rh49 an estimate of when the item will be delivered to your shipping address after it ships. The meter has a less than 30 second response time and its slim design with rubberized sides make for a better grip for one handed operation.

Although Fondriest makes every effort to ship your order according to the lead time provided, shipping dates may change due to changes in supply.

Providing the finest test equipment solutions since 1992

For measuring objects that are hard to reach or dangerous, the best solution would be a laser, photo, or strobe tachometer. The extecy accurate way to measure low current is by putting a multimeter in series with the circuit. Once your order has been prepared for shipment and ships, you will receive a Shipment Notification email with carrier and tracking information. EST via overnight service are normally delivered by 4: Fondriest can ship orders within the 50 United States only.


Many orders ship on the same day and expedited shipping is available. EST are normally delivered by 4: For making wood measurements with the pin style moisture meters – how far do the pins on my meter need to be inserted for an accurate measurement? An error message will appear on the display if the meter fails an internal diagnostic test.

Extech Product FAQ

The easiest way to do rh940 without damaging the power cord is to use a line separator Extech model We try to respond to all email requests within a few hours. Communications Call, email or chat online with application engineers. However, breaking the circuit may not be possible.

These meters are smaller in size than traditional clamp meters and will easily fit into tight spaces. A weighting is typically used in OSHA compliance and town ordinance applications. Shipping and Delivery Estimates The ‘Ships’ timeframe is an estimate of when the item will ship from our warehouse.

Software communication problems can occur due to a few reasons. If you will not be at the shipping address to accept delivery of your product, consider shipping the item to an address where someone you trust will be available to sign for your package, or accept your package if a signature is not required for the delivery.

Assembly, Test and Calibration Sensors and instruments are assembled, tested and calibrated prior to shipment.

My meter seems to provide readings that are too high or to low when measuring metal surfaces.

Can you cross reference another manufacturer’s product to an Extech product? Learn more about shipping times, methods, costs, and carriers. A factory-authorized service center provides fast-turnaround product repair and annual maintenance.