Graigar AT526 AC Low Ohm Meter Battery Internal Resistance Tester Meter Accuracy Resistance 0.5% Voltage 0.01% Fittings MAX hold: “MAX” Data storage:

MAX hold: “MAX” Data storage: 60000 samples Interface: USB interface Power: One 9V battery Power Life: Approximately 70 hours Operation Environment: 0 - 40°C(32 to 104°F) 10 - 75%RH Storage Environment: -10 - 50°C(14 - 122°F) 10 - 80%RH Dimensions: 185(L)*65(W)*35(H)mm

3nh NR20XE is a handheld colorimeter based on 45°/0° optical geometry

Battery Indicator : Low Battery Indicator

200M Records Data logging function (micro SD CARD 4GB)

in units of °C or °F

Graigar AT526 AC Low Ohm Meter Battery Internal Resistance Tester Meter Accuracy Resistance 0.5% Voltage 0.01% Fittings MAX hold: “MAX” Data storage:Brand: Graigar Color: Gray Features: AT526 is a brand new design DC resistance meter with high precision and high stability, which adopts high performance 32dgt ARM micro processor to control. 3. 5 inches true color LCD Chinese and English display and it is easy to operate. It is upgrade of AT520. It is high performance and intelligent instruments which is widely applied to test contact resistance, battery voltage and battery internal resistance.