Apera Instruments AI209 Value Series PH20 Waterproof pH Tester Kit, +-0.1 pH Accuracy & AcuRite 00613 Digital Hygrometer & Indoor Thermometer Pre-Calibrated Humidity Gauge, 3″ H x 2.5″ W x 1.3″ D

Apera Instruments AI209 Value Series PH20 Waterproof pH Tester Kit, +-0.1 pH Accuracy Simply the most reliable pocket pH tester with the best value for general-purpose pH testing e.g. hydroponics, horticulture, pools and spas, water treatment, beverage making, education, environmental monitoring, etc. Up to 3 points of Auto. calibration and 0 to 50@C Auto temperature compensation (ATC), 0. 1 pH Accuracy with 0 to 14. 0 pH measuring range; Auto. recognition and indication of stable values improves repeatability, saving you the trouble of guessing when to manually hold measurement. PH20 comes with a complete kit of premixed calibration solutions (4. 00 and 7. 00), 4 AAA batteries, and a lanyard all in a portable carrying case. Smart Self-diagnosis, warning of incorrect buffer solutions and incorrect calibrations. IP67 water-resistant. Up to 2000 hours’ operation powered by AAA alkaline batteries. The product is CE and RoHS certified, and is manufactured under an ISO 9001: 2015 certified quality system. AcuRite 00613 Digital Hygrometer & Indoor Thermometer Pre-Calibrated Humidity Gauge, 3″ H x 2.5″ W x 1.3″ D Know your environment An all-in-one digital thermometer and humidity gauge, the AcuRite 00613 Indoor Humidity Monitor gives you a full picture of your indoor world. With an easy-to-read, at-a-glance display, you may access both humidity monitoring and accurate temperature as the need arises. Features: * Indoor hygrometer (%RH) * Indoor thermometer (degrees Fahrenheit and Celsius) * Humidity Level Icon indicates high, low or ideal indoor conditions * Daily high and low temperature and humidity records * Flat stand, clip, and magnet options (for mounting on a tabletop, vertical surface, or metal element such as a refrigerator) Why an indoor air monitor? Using a temperature monitor and humidity meter will allow you to ensure proper indoor humidity. This can yield important skin, allergen, and other health benefits: * Too much humidity can encourage the growth of mold, bacteria, viruses, fungi, mites and other asthma-inducing agents * Overly dry air can lead to nose irritation, skin irritation, breathing difficulty, and damaging static electricity * Correct humidity can encourage plant growth, and assists with the comfort and health of pets This humidistat will help you improve your home environment through the power of knowing. When you need accurate, think AcuRite.

Features

• Product 1: Easy auto. calibration with buffer recognition; auto. temp. compensation (ATC) ensures accuracy in various temperatures (32 to 122F)
• Product 1: Backed by Apera quality pH sensor with low impedance, ensuring high response rate
• Product 1: Comes in a rugged carrying case with pH 4&7 buffers and a lanyard
• Product 1: Auto recognition of stable values improves consistency, so you don’t have to guess when to manually hold measurement
• Product 2: Indoor relative humidity
• Product 2: Indoor temperature, including daily high and low information
• Product 2: Simple easy-to-read display
• Product 2: Clip and magnet mountable