$50 - $75

COND115N Non-Bluetooth Conductivity + Temperature Tester (0 to 100 uS/cm) by Jenco

Waterproof, economical conductivity/temperature tester with long useful life.

Like its Bluetooth sibling, the Wand Non-Bluetooth Series' main focus is to deliver accurate and repeatable conductivity results easily and affordability. This was accomplished by starting Jenco's longest running and very popular tester series and updating it with better electronics for better accuracy, replacing the potentiometer with buttons with tactile feedback and protecting the upgraded internals with an IP67 waterproof housing.

Improved Reading Quality

• 1 Point calibration
• ±1% F.S. accuracy

Simple Operation

• Clear, large LCD displays conductivity and temperature
• Button operations with tactile feedback
• IP67 waterproof housing

Available Configurations

Single parameter pH, ORP, conductivity and TDS models with temperature. Conductivity and TDS comes in three different models each for three different measurement ranges.

Replacement Power Supply Units (PSU) for use with cradle, multiway and interface chargers or in combination with Charger Interface Communication Kit (C011305)

Part Number: P126525LM4

Part Number: P197150LM39

90311-22 Blood Bank Verification Thermometer; -5 to 20C by Digi-Sense

Accurately monitor temperatures in freezers, refrigerators, incubators, ovens, and other environments where stability is required. All thermometers are supplied in a glass bead filled unbreakable plastic bottle and can be removed from the bottle for recalibration. Use the magnetic attachment with pressure-sensitive backing to attach the bottle to a metal wall or door.

Thermometers feature permanently fused markings, blue spirit liquid, white background glass; are also individually serial numbered. Include an statement of accuracy and a triangular-style antiroll fitting.

• An individually serial number is printed on the thermometer stem
• Nonmercury blue spirit liquid

Part Number: P197150LM12

Part Number: 10L-37-1000

Fits Up To 30" Fan - Stainless Steel Ceiling Mount

SDA-7001 Salt Bridge for SD7000CD &-ORP, 1 each by Sensorex

The SDA differential sensor salt bridge replacements extend the lifetime for SD7000 differential pH and ORP (REDOX) sensors. Also compatible with other brands, including Hach* and Water Analytics.* Available in single unit or pack of three (3) units. Also order SDS-7050 (standard cell refill solution, 500mL) when replacing salt bridges.

Features:

• Extends life of differential pH & ORP sensors: Replaceable reference junction for challenging applications
• Direct-fit Compatibility: Replacement sensor for several popular Hach & Water Analytics models
• One year limited warranty: We stand behind all our products with the Sensorex Guarantee

21039 PowerSeeker 50AZ 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
• BONUS Astronomy Software download with a 10,000 object database, printable sky maps and 75 enhanced images