DC double arm bridge

QJ44DC double arm bridgepriceDetailed information:

QJ44DC double arm bridgeMain technical performance

1. Measurement range: 0.1m Ω~11 Ω
2. Accuracy: 0.2%
3. Power supply: a. 1.5V (6 No.1 batteries)
b. 9V (3 6F22 batteries)
4. Dimensions: 308 × 260 × 160 (mm)
5. Weight: 4.5kg

QJ44Notes:

1. When handling the bridge, handle it gently. The current and potential terminals of the tested resistor should be correctly connected to the corresponding terminals of the double arm bridge. When the measured resistor does not have dedicated potential and current terminals, try to connect four wires to the double arm bridge and use a pair of inner wires to connect to the potential terminals of the bridge. The connecting wires should be as short and thick as possible, and the connection should be secure.
2QJ44When measuring low resistance, the measured resistance must be connected to a bridge using the four terminal connection method. The current and voltage connectors of QJ44 double arm bridge should be connected separately, and the connection points should ensure reliable contact
3. Before using the bridge, turn on the power and preheat for five minutes. When adjusting the balance of the bridge, try to avoid excessive swinging of the ammeter pointer. Choose an appropriate magnification before measurement.
4. Pay attention to adjusting the zero position of the ammeter. The sensitivity should be adjusted to a small value first, and gradually increase the measurement sensitivity during operation.
5. The working current of the double arm bridge is relatively high, and the measurement process should be rapid to avoid unnecessary consumption of the battery. Button B and G should be used intermittently.