



⚡ Calibrate like a pro — precision you can trust, wherever you measure!
The WLR Industries Hanna Buffer Solution HI7007L pH 7.01 is a premium, NIST-traceable calibration standard widely used across scientific and industrial applications. Offered in multiple packaging formats with optional certification, it delivers reliable, ultra-stable pH calibration ideal for aquariums, marine biology, and precise lab measurements.
| Manufacturer | WLR Industries | 
| Part number | w780 | 
| Item Weight | 572 g | 
| Package Dimensions | 19.99 x 9.4 x 6.91 cm; 572 g | 
| Item model number | 7007L | 
| Item Package Quantity | 1 | 
| Batteries Required? | No | 
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