When I measure across the battery/MR9 combo, the current drops to only 40 miliampsMy gut feeling is that an How well does a MR9 battery adapter work?
Mr 9 battery adapter
Mr 9 battery adapter- MR9 Gosh Perhaps more serious to some, the MR9 is not a pure voltage drop It also drops current, I believe because it uses a diode rather than a resistor to acheive it's purpose I determined that the current across an SR76 to be approximately 150 miliamps; MR9 battery adapter issue User Name Remember Me?
2pcs MR9 Battery Adapter for Film Camera Exposure Meter Mercury MR9 PX625 PX13 50 out of 5 stars 3 $3799 $ 37 99 Next page Customers also viewed these products Page 1 of 1 Start over Page 1 of 1 Previous page Loopacell 625A PX625A LR9 V625U PX625 15V 10 Batteries 46 out of 5 stars 336 $1399 $ 13 99 Get it by Sunday, Oct 3 Loopacell 625A PX625A LR9 V625U A more expensive alternative is the CRIS MR9 adapter which takes a 386 silver oxide battery and reduces voltage to correct 135 volts Cheapest of course is to use the alkaline (which might be okay for black & white film) and rely on film latitude Mike Gammill, #2FASTROHY 2Pcs MR9 Battery Adapter Replacement for Film Camera and Exposure Meter MR9 PX625 PX13 48 out of 5 stars 7 $1099 WeinCell MRB625 Replacement Battery for PX625/PX13 45 out of 5 stars 643 $617 FidgetFidget 2PC MR9 Battery Adapter for Film Camera & Exposure Meter MR9 PX625 PX13 GW 43 out of 5 stars 4 2 offers from $1196 Exell 135Volt Zinc Air
MR9 PX625 PX13 battery adapter for vintage film cameras and exposure meters Use of 386 / SR43W Silver Oxide battery (155 V) to convert voltage to be equal to obsolete MR9 PX625 PX13 Mercury battery (135V) Employ new microchip to match both electrical and physical requirements Same size as original MR9 PX625 PX13 Mercury battery in all dimensions HighThe solution for discontinued MR9 (HD, PX13, PX625) mercury battery The adapter is the same size as the original battery No additional modification is required with some exceptions This adaptaer has a built in circuit to reduce the voltage of SR43(386) battery 155V to that of a mercury battery approx 135V MR9(HD) Battery Adapter Non Voltage Transformation TypeThe adapter is the correct size needed and contains circuitry which converts the 155v battery output to the required 135 volts that the camera originally used This is the most expensive solution (MR9 = $3699 Shipping = $850 One Size 386 Silver Oxide Battery = $180) Results *Minolta SRT 101 #1 # #2 #
MR9 Battery Adapter for Film Camera & Exposure MeterLimitations The MR9 Adapter is designed for low current and cannot be used in applications that exceed 0 micro amps The only known examples are the Canonet GIII 17 and 19 where the metering and exposure system function perfectly, but the battery check lamp will not illuminateUses a readily available silver oxide 386 BatteryInstalls into camera or meter the same as the original batteryNo additional modification is necessaryMicrocircuitry reduces voltage to meet original specificationsA one time Purchase;
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