$150 - $200

*Please note we can only ship RKI products to customers within the United States

SG201C/BNC pH Electrode, refillable single-junction, glass body by Sensorex

Whether you are a student measuring pH in a lab or a business owner monitoring plant or crop health, you need a pH probe that will consistently deliver accurate measurements. If you deal with a wide variety of chemicals or any aggressive substances, a glass pH probe like our SG201C/BNC is a safe choice due to the chemically inert properties of glass. This basic, single junction electrode has a refillable reference cell, allowing users to maintain measurement precision throughout instrument lifetime.

• Accurate measurements across full pH scale (0-14)
• Easily maximize measurement repeatability: refillable reference cell with liquid solution
• Maximum chemical compatibility: glass probe body is inert to most reactions
• Compatible with a variety of pH meters: use this probe with any pH meter accepting BNC
• Instantly ready for use: Shipped in storage bottle for long shelf life &ndashl guaranteed for one year
• One year limited warranty: We stand behind all our products with the Sensorex Guarantee

*Please note we can only ship RKI products to customers within the United States

WD-20250-60 1kV Handheld Insulation Tester by Digi-Sense

Feel secure with multiple safety features

• Safely measures insulation resistance of electrical devices such as cables or motor coils, as well as providing a means of measuring AC/DC voltages and circuit continuity
• View measurements clearly on large dual-line backlit LCD, plus check trends on analog bar graph
• Autorange feature automatically selects optimal measuring range
• Live circuit detection prevents testing if voltage is present
• Data Hold, test lock function, and flip stand allow hands-free operation
• Automatic discharge of stored voltage for added protection
• Sturdy, double-molded housing with CAT III-1000 V safety rating

Includes

Test leads, plastic carrying case, and six AA batteries.

21045 PowerSeeker 114EQ Telescope by Celestron

The Celestron PowerSeeker series of telescopes is designed to give the first-time buyer the perfect combination of quality, value, features and power. Offering exceptional value, these telescopes feature portable yet powerful designs with ample optical performance to excite any newcomer to the world of amateur astronomy.

• Quick and easy no-tool setup
• Slow motion controls for smooth tracking
• Erect image optics - Ideal for terrestrial and astronomical use
• Fully coated glass optical components with high transmission coatings for enhanced image brightness and clarity
• 3x Barlow lens triples the magnifying power of each eyepiece
• Accessory tray for convenient storage of accessories

90551-39 Sil-Filled Bottom-Con Bimetal Thermometer, 3" Dial, 24" L/0-250F/-20-120C by Digi-Sense

Accuracy is ±1% full-scale when stem is immersed 2" in liquids or 4" in gases (immerse models with a 2.5" stem length 2" in gases). Measured stem length from the top of the threads to the bottom tip of the stem. Stem dia is 0.25"; threaded connection is 1/2" NPT(M). All thermometers meet or exceed ASME B40.3 standards. Maximum environmental temperature for Acrylic lens thermometers is 200°F (93°C).

• Dampened movement
• Anti-parallax dial for accurate readings
• Hermetically sealed per ASME B40.3 standard to prevent fogging and protect against tough environments
• Rugged 304 stainless steel construction with Acrylic lens
• Recalibrate using the external reset screw
• For use in applications that do not exceeding 200F

*Please note we can only ship RKI products to customers within the United States

FH-1200 12" Fiberglass Weatherhood with Mounting Flange by Schaefer

• Draws outside air through walls up to 6" thick
• Mounts flush to an interior wall
• Weatherhood protects bird screened inlet from the elements
• Durable polyethylene housing with insulated damper door and air-stop door adjust airflow volume and direction with the seasons