The 109SC Kit uses the same meter as the Model 109 but allows checking for stray current. The 109SC is a safety MUST when using electric blasting caps. Remember, stray current must be tested for prior to any electric blasting operation, OSHA 29CFR 1926, 906B and MSHA 30CFR 77.1304.TT.
Model 109SC Meter Specifications | Model | 109SC | | Weight | 7 LBS. (2kg) | | Size | 10.8 x 9.85 x 4.5 (274x250x114 mm) | | Seal | Weather Proof | | MSHA Approved | NO | | Ranges | 8 Range w/stray current testing. | | Battery Type | 9V NEDA 1604/1604A | | Options | N/A | | Current Output | <4mA | |