| General Specifications |
| Accuracy |
± 2% F.S. (Iron-Vane), ± 3 F.S. (Rectified) |
| Movement |
Models 1212, 1212T: Small Core Magnet
Models 1247, 1347, 1349: Annular, rectifier
Models 1257, 1357, 1359: Iron-vane, magnetically damped |
| Tracking |
± 3% |
| Shielding |
Calibration is unaffected by magnetic panel mounting. |
| Response Time |
1.5 seconds maximum |
| Overload (1 sec.) |
10 times F.S. |
| Overload (Continuous) |
1.5 times F.S. |
| Repeatability |
2%: AC Current, DC Process
3%: AC Voltage, DC Voltage, Wattmeters
0.5%: DC Current |
| Dial |
Sharp clear scale.
Each dial arc is calibrated to trach the specific type of movement used. |
| Resistance |
± 15% of meter impedance |
| Operating Temperature |
- 4ºF to + 149ºF (- 20ºC to + 65ºC) |
| Case |
High density black plastic |
| Pointer |
Model 1212: Black lance
All other models: Spade with black matte finish |
| Scale Length |
Model 1212, 1212T: 1.50" (38.1mm)
Model 1227, 1227T, 1247, 1257: 2.30" (58.4mm)
Model 1327, 1327T, 1347, 1357, 1377: 3.14" (79.9mm)
Model 1329, 1329T, 1349, 1359, 1379: 3.93" (100mm) |
| Net Weight |
Model 1212, 1212T: 2 oz. (0.06 kg)
Model 1257: 4 oz. (0.11 kg)
Model 1359: 5 oz. (0.14 kg)
Model 1227, 1227T: 6 oz. (0.17 kg)
Model 1327, 1327T, 1347: 8 oz. (0.23 kg)
Model 1329, 1329T, 1349, 1377: 9 oz. (0.26 kg)
Model 1379: 10 oz. (0.28 kg) |