Calibration in association with Amazon

Flip-open lid protects the delicate weighing surface. Capacity 100g / 3.528oz / 500ct / 1543gn Weighs in 0.01g increments. Display 5 digit backlit LCD - Stainless steel weighing platform. Power 2 X AAA batteries included.
Price: $11.78 [Notify me when price goes down.]

50 gram Calibration weight.
Price: $2.99 [Notify me when price goes down.]

Easy to Use. Automatically Created 75.5% Environment. Lab Tested for Accuracy. Reusable.
Price: $0.99 [Notify me when price goes down.]

Capacity:100g~3.528oz~500ct~1542gn. Accuracy:0.01g~0.001oz~0.05ct~0.1gn. 4 Modes: Grams(g), Ounce(oz), Carat(ct) & Grain(gn). TARE function to subtract the net weight of the container.
Price: $23.98 [Notify me when price goes down.]

For use with Hanna Instruments Digital pH Tester and Digital Combo pH/TDS/Temperature Tester. Also for use with Hanna Instruments Digital Combo pH/ORP Tester.
Price: $16.50 [Notify me when price goes down.]

Calibration tool helps get the most from your HD home theater components. Color filters assist in calibration. Dolby Digital Plus and Dolby True HD Calibration content. Includes both HD and SD versions of Digital Video Essentials.
Price: $19.67 [Notify me when price goes down.]

Up to OIML class 4 standard. Made by stainless steel. Single-piece construction. Grip handle weights.
Price: $7.99 [Notify me when price goes down.]

Highly accurate; Latest technology; Professional; User-friendly; Digital and graphic interface; One-hand operation; Alcohol unit conversion (%o BAC or % BAC or mg/l). Range: 0.015-0.15% BAC; Display: Graphic & digital display with 3 decimal points (e.g. 0.025% BAC); Breath sampling time: about 6 seconds continuous breathe; Recycle time: 6~30 seconds; Auto power saving: 2 minutes. Bi-color backlight with beep alarm: "Red backlight flashes when you are very close to / have reached / exceeded the alert level; Extremely important feature when you are under influence of alcohol and in the dark !". Pre-alert (for tolerance compensation); Self calibration; Advanced semi-conductor gas sensing technology; Measures your blood alcohol concentration in seconds; Employs the reliable SnO2 Japan made sensor; High sensitivity to ethanol, achieves the detection of alcohol in tenth ppm.
Price: $49.99 [Notify me when price goes down.]

Up to OIML class 4 standard. Made by stainless steel. Single-piece construction. Grip handle weights.
Price: $6.99 [Notify me when price goes down.]

Sleek, dual-phase hardware design offers effortless calibration. CRT, LCD, and laptop displays to industry standards. State-of-the-art optical science; before and after viewing. Exceptionally smooth gradient steps and neutral grays.
Price: $59.77 [Notify me when price goes down.]