The REO BO1999-1 Blaster's Ohmmeter is a pocket-size SINGLE CIRCUIT model designed for general use. A nylon cord attached to the case allows the ohmmeter to hang from around the neck for convenient use. Long battery life, a rugged water resistant enclosure and heavy duty terminals provide the blaster with a dependable unit. This user-friendly digital ohmmeter speeds up circuit check-out and provides vital information necessary to assure a successful blast.
The REO BO1999-1 Blaster's Ohmmeter provides nominal values of circuit resistance on a large easy-to-read digital display. Two terminals on the ohmmeter are provided for single circuit testing. The BO1999-1 Blaster's Ohmmeter measures resistances of 0 - 1999 ohms in one ohm increments, with an accuracy of +/- 1 ohm. The maximum test current is 2 milliamperes. The ohmmeter turns on automatically when a circuit is detected, and turns off automatically when the circuit is disconnected.
SPECIFICATIONS
| No. of Circuits | 1 |
| Range | 0-1999 ohms |
| Accuracy | +/- 1 ohm |
| Max. Test Current | 2 mA |
| Weight | 0.2 kg (0.8 oz.) |
| Size | 104 x 33 x 91 mm (4.1 x 1.3 x 3.6 in) |
| Power Source | 9 V alkaline battery |
OPERATIONAL TEST
This Operational Test must be performed before connecting a blasting circuit to the BO1999-1 Blaster's Ohmmeter:
- Short the terminals on the ohmmeter with a short piece of wire.
- The ohmmeter should turn on and indicate 000 (+/- 1)ohm.
- If the battery is in need of replacement, BAT appears on the display.
- Remove the short from the terminals on the ohmmeter. The ohmmeter should turn off and remain off.
GENERAL OPERATING PROCEDURE
Note: The following procedure is intended as a guide only, and each user must prepare and verify his own procedure consistent with Local, State, and Federal regulations. Complete Operating Instructions appear on the back of the BO1999-1 Blaster's Ohmmeter.
- Perform the Operational Test.
- Connect the blasting circuit to the terminals on the BO1999-1 Blaster's Ohmmeter.
- Note the resistance displayed. Note: 1--- will be displayed if the resistance exceeds 1999 ohms.
- Shunt the blasting circuit after testing.
CAUTION - USE OF THIS EQUIPMENT REQUIRES THAT THE OPERATOR HAS BEEN TRAINED AND CERTIFIED IN BLASTING TECHNIQUES.
WARNING: BATTERIES ALONE CAN FIRE ELECTRIC DETONATORS. KEEP BATTERIES AWAY FROM THE BLASTING CIRCUITS.
WARNING: KEEP THE BLASTING CIRCUITS SHUNTED WHEN NOT CONNECTED TO THE OHMMETER. MINIMIZE THE TIME THE BLASTING CIRCUITS ARE CONNECTED TO THE OHMMETER BY TAKING RESISTANCE VALUES QUICKLY.