Galvanometers

Manufacture: Yokogawa
Product Description: Model 2707 is a compact transistorized electronic galvanometer using a battery. With sensitivity of 10 microV/div., this instrument is highly suited to field measurements and as an indicator for complex measuring instruments.

• 10microV div. Sensitivity
• Stable measurement Zero drift as low as 1microV/h or 1microV/20 degrees C
• 300 hours battery life
• Overload protection circuit

Specifications:

• Measuring Range +-250microV+20-10
• Voltage Sensitivity 10microV/div. +-10%
• Maximum Sensitivity 10microV/div. +-10%
• Response Time Approx. 3 seconds
• Common Mode Rejection More then 140 dB at DC and commercial frequencies (50 and 60 Hz)
• Normal Mode Rejection More then 60 dB
• Vibration of Pointer Unrecognizable
• Drift Less then +-1microV/10 Minutes or +-2microV/20 degrees C
• Max. Allowable Input 5V
• Insulation Resistance Approx. 9k Ohms
• Power Source One 9V Battery (JIS 6F22 or Equivalent)
• Life of Battery Approx. 300 hours when continuously used
• Dimensions 113 x 106 x 46 mm 4 1/2 x 4 1/4 x 1 7/8 in
• Weight 1 lbs 0.45 kg

Manufacture: Yokogawa
Product Description: Model 2708 Galvanometer is a compact pointer type with a quick response (2 seconds). It employs a shock- and vibration-proof taut band suspension system. This unit is also suitable for classroom applications.

• 0.9 microA/div., 270 microA/div., sensitivity
• Quick response: 2 seconds
• Shock- and vibration-proof taut band suspension system
• Compact and lightweight (0.4 kg)
• Can be tilted to any desired angle with accessory stand

Specifications:

• Current Sensitivity 0.9 microA/div +-10%
• Voltage Sensitivity 270 microV/div +-15%
• External Critical Resistance 200 Ohms
• Response Time Approx. 2 seconds
• Dimensions 113 x 106 x 46 mm 4 1/2 x 4 1/4 x 1 7/8 in
• Weight 0.9 lbs 0.4 kg