Portable Dissolved Hydrogen (H2) Meter (ENH-1000) Specifications: Measuring Object: Dissolved hydrogen in the dissolved Measurement System: Hydrogen reduction System Measurement range: 0~2.00ppm / 0~2000ppb Margin for error: ±10% Unit: 0.001ppm/1ppb Battery: AAA cell battery x 4 Size: body 195 x 40 x 36mm; Case 230 x 205 x 50mm Weight: 135g (including batteries) |