The Ballantine Model 3207 micro ohmmeter is a 4-1/2 Digit instrument that measures low resistance in Milli and micro-ohms ranges with precise accuracy. It employs the proven 4-wire measurement technique and eliminates the lead resistance inherent in 2-wire technique to ensure accurate, repeatable readings.
Specifications
Ballantine 3207 Technical Specifications
Range (Ohms)
Maximum Reading
Resolution
Maximum Current
Accuracy
2 milli-Ohm
1.9999 milli-Ohm
.1 micro-Ohm
1 A
+/- 0.5% +/- 5 dgts.
20 milli-Ohm
19.999 milli-Ohm
1 micro-Ohm
1 A
+/- 0.05% +/- 5 dgts.
200 milli-Ohm
199.99 milli-Ohm
10 micro-Ohm
100 mA
+/- 0.05% +/- 5 dgts.
2000 milli-Ohm
1999.9 milli-Ohm
100 micro-Ohm
10 mA
+/- 0.05% +/- 5 dgts.
20 Ohm
19.999 Ohm
1 milli-Ohm
10 mA
+/- 0.05% +/- 5 dgts.
200 Ohm
199.99 Ohm
10 milli-Ohm
1 mA
+/- 0.05% +/- 5 dgts.
2000 Ohm
1999.9 Ohm
100 milli-Ohm
0.1 mA
+/- 0.05% +/- 5 dgts.
Reference Condition: 25 Deg C, 50% RH, Temp. Co. (+/-5 ppm of reading per Deg C) Input Termination: 4-Wire (2 voltage and 2 current terminals) Input Protection: Maximum input voltage 250 V rms AC/DC, Current terminals protected by 1 A fuse, accessible on rear panel Zero Adjust: Front panel screwdriver adjustment Warm-up: 15 minutes for specified accuracy Environmental Characteristics:0 Deg C to 45 Deg C, RH less than 95% Storage: -40 Deg C to 55 Deg C, RH no Condensation Dimensions: 340 mm (D) x 258 mm (W) x 145 mm (H), approx.,Weight 3.2 Power: 90-132 V, 60 Hz
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