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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Extensive measurement technology, product troubleshooting and instrument repair workshops are offered at the factory. Once your order has been prepared for shipment and ships, you will receive a Shipment Notification email with carrier and tracking information. Extech has a few meters that can perform GPP Grains per pound measurements. An annual factory calibration is recommended. What tachometer will best fulfill my application – Photo, Extdch, Laser or Strobe?

The physical size is rb490. Application engineers are available for webinars or personalized, on-site start-up and training.

Many extsch ship on the same day and expedited shipping is available. If you do not receive this information, please contact us at or customercare fondriest. This calibration is valid for one year. If the lead time changes, Fondriest will contact you via email and provide a revised shipping estimate. If you have questions, please contact our Tech Support rh4900. If an object’s surface is highly reflective, apply masking tape or flat black paint to the surface before measuring.

How often does my meter need to be calibrated?


A calibration report is included. What is the difference between A and C Weighting. EST are normally delivered by 4: Products shipped prior to 4: Quick Ship Many orders ship on the same day and expedited shipping is available.

Please request a Return Material Authorization RMA by contacting your account representative or the general customer support address: Your stock check request has been submitted successfully. Configured-to-order or customized products unless Dead on Arrival Opened calibration reagents Opened software Software downloads Fondriest Gift Cards Fondriest recommends using a carrier that offers shipment tracking for all returns.

You can view the data sheet for a particular model online.

Non-inventory items may be r490 to the manufacturer’s restocking fee. Do you carry clamp meters specifically made to measure low current? Can you cross reference another manufacturer’s product to an Extech product? Please remember to include the model number of your meter. Extended Warranties Warranties extended beyond factory standards are offered on many items to ensure a lasting useful life.

Do you have moisture meters that will work on brick, concrete and other similar materials? The last 2 characters of the model number indicate the output type. If you do not understand these specs please contact our Tech Support for further assistance. The most accurate etxech to measure low current is by putting a multimeter in series with the circuit.

The meter will have to be sent in if the vane needs to be replaced as the sensor is calibrated to the meter. Be sure to check the data sheets of the meters of interest to be sure that they can measure all of the parameters that you require.

Online pricing is not permitted for this product.


If a product cannot be shipped immediately, customers are notified by phone or email. These would include all of the Photo and Laser tachometers. Will my IR thermometer measure accurately 10 feet from the target? Rental equipment is available to minimize downtime and cover equipment needs when projects expand. The ‘Delivers’ timeframe is an estimate of when the item will be delivered to your shipping address after it ships. Email correspondence is responsive and a toll free number is available for added convenience.

Your order for in-stock items that are eligible for same-day shipping must be received before your local time of 2: How can I get a calibration procedure for my meter?

Contact Fondriest for earlier overnight delivery options. Putting the clamp meter around more than one conductor causes the current reading to cancel out.

Extech RH490 Precision Hygro-Thermometer

Products shipped via two-day service prior to 4: Repair A factory-authorized service center provides fast-turnaround product repair and annual maintenance.

View our complete Privacy Policy. Why Buy From Fondriest? Many of the fuses used in our meters can be found on-line in stores like Amazon.

Extech RH Precision Hygro Thermometer Hygrometer | eBay

What is the frequency bandwidth of your Sound Level Meters? Complete the fields below for an instant quote via email. Products purchased extceh Fondriest may not be exported.

Title and risk of loss to all products will pass to you on delivery.