Blasters Stray Current Multimeter Kit: Model 310SC
MODEL 310 BLASTERS MULTIMETER KIT
Designed for the blasting industry. The 310 Blaster's Multimeter Kit is for safe, precise circuit measurement when testing electric detonators & blasting circuits.
It has a built-in current limiting circuit with current output less than 25 miliamperes.
High performance and value priced. This meter has a dual injection molded case that allows a better grip and offers better meter protection. CE marked and UL listed.
Blasters Stray Current Multimeter Kit: Model 310SC
Used to check for stray current. The 310SC is a safety MUST when using electric blasting caps. Ensures compliance with OSHA 29CFR 1926, 906B and MSHA 30CFR 77.1304.TT.
Safety Reminder: You MUST test for stray current prior to any electric blasting operation.
Specs
Kit Specifications:
- Multimeter: BK Precision 2703C (Features a custom built-in current limiting circuit with current output less than 25 miliamperes.)
- Weight: 3 LBS. (2kg)
- Size: 6.5" x 3" x 1.6" (165x78x42.5 mm)
- Seal: Dust and Damp Weather Proof
- MSHA Approved: NO
- Battery Type: 9V NEDA 1604/1604A
- Current Output: <25mA
Features:
- Magnetic hanger
- One-handed operation
- Measures up to 10 A (DC only)
- DC voltage to 1000 V
- AC voltage to 750 V
- Resistance to 20 Mohm
- Continuity test
- Diode test
Comparison
The 309 kit offers higher voltage measurement capabilities (1000VAC/1500VDC) compared to the 310 kit (750VAC/1000VDC). Additionally, the 309 kit features a higher resolution display with a 3-3/4 digit LCD and 4000 counts, and it provides better accuracy at 0.5%. In contrast, the 310 kit has a 3-1/2 digit LCD with 2000 counts and an accuracy of 1.5%.
However, the 310 kit is more cost-effective and provides all the essential features needed for most users in the blasting industry. It is priced significantly better, making it an ideal choice for those who require reliable performance without the additional capabilities of the 309 kit.
| Feature | Model 109 (discontinued) | Model 309 | Model 310 (most popular) |
|---|---|---|---|
| Voltage Range | 1000VAC/1500VDC | 1000VAC/1500VDC | 750VAC/1000VDC |
| Battery | Standard 9 V battery | Standard 9 V battery | Standard 9 V battery |
| Low battery indication | Yes | Yes | Yes |
| Ranging | Manual | Manual | Manual |
| Accuracy | 1.5% | 0.5% | 1.5% |
| Max Output | 44mA | 25mA | 25mA |
| Display | 3-1/2 digit LCD, 1999 counts | 3-3/4 digit LCD, 4000 counts | 3-1/2 digit LCD, 2000 counts |
| Weight (Meter Only, no case) | 20 oz | 11.3 oz | 11.3 oz |
| Weight (With case) | 36 oz | 28 oz | 28 oz |
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