Type# PH Test Meter :
Range: 0.0 – 14.0pH
Resolution: 0.1pH
Accuracy: ± 0.1pH( at 20°C/ 68°F)
Typikal EMC DEV: ± 0.2pH
Batteries: 3 x 1.5V ( AG-13 Button Battery)
Life: approx. 700hours of use
Environment: 0°C ~ 50°C( 32°F – 122°F)
Relativ Humidity: <95°%
Dimensions: 150mm x 29mm x 16mm
Trimming: by potentiometer
Weight: 51g
Type# TDS3 PPM Test Meter :
Brand new and high quality.
This item can be used in: water purifiers and filters, food (vegetable, fruits) & drink quality monitoring, pools, and spas, aquariums, hydroponics.
Hold function: Saves measurements for convenient reading and recording
Auto-off function: Turns off meter after 10 minutes of non-use to conserve batteries
Dual Range: Measures from 0-9990ppm, with a resolution of 1ppm. From 1,000 to 9,990ppm, the resolution is 10ppm, indicated by drinking x 10 image, Factory calibrated
Rang: 0-9990ppm
Accuracy: +/-1.5%
Battery: 2 x 1.5V Button Cell Battery (Included)
Item size: 155mm x 28mm x 15mm
Type# 3 IN 1 Test Meter
Description:
WIDELY USE: It is commonly used for testing the pH balance, quality and hardness of drinking water, household water, pool water, aquarium, Spa, hydroponics etc.
THE RANGE OF MEASURE: PH resolution is 0.01pH, accuracy is ±0.01pH, measurment range is 0-14 pH. TDS meter ranges from 0~9990ppm, Conductivity ranges from 0~9990 us/cm, EC ranges from 0~9990 us/cm
EASY TO USE: For water quality tester, pressing ''HOLD'' button for maintaining reading, pressing ''SHIFT'' button once for TDS & EC transformations, pressing ''SHIFT'' button twice for "° C / ° F" transformations
Specifications:
Material: ABS
4 Display modes: Press SHIFT button: TDS - ppm & °C, EC - µs/cm & °C, TDS - ppm & °F, EC - µs/cm & °F
Measurement Range: Conductivity: O~999OUS/CM
TDS: 0-9999ppm
Accuracy: 2%
Battery: 3V CR2032 (Battery included)
Dimension: 15.5cm*3cm*1.5cm / 6.1*1.2*0.6inch
Weight: 59g / 0.13