Product outline

AM32AZ is a general-purpose DC amplifier with a built-in bridge excitation supply for strain gauge sensors. It exhibits power performance for broadband operation (DC -100 kHz) achieving high gain (Max. gain: 10000 times), but it has an extremely low drift. Therefore, data precision with every measurement or experiment markedly improves. In addition, AM32AZ has excellent user-friendliness. It is equipped with a calibration function by digital switch which allows easy calibration of either value of voltage or strain amount.

Specifications

Compatible input resistance	60 Ω to 2 kΩ
Excitation power supply	Voltage: DC 2.5, 5, 10, 15, 20 V ±0.2%, Current: max 50 mA
Equilibrium adjustment range	±1.5 mV/V (excitation voltage 10 V)
Input voltage range	0 to ±100 mV
Input resistance	10 MΩ or more (direct-coupled equilibrium differential)
Voltage amplification	Max. 10000 times
Gain adjustment	･ Coarse adjustment: 0, 1/20, 1/10, 1/5, 1/2, 1/1…Error±0.2% ･ Fine adjustment: 1 to 1/6 of each range variable
Zero drift	Within ±0.5 μV/°C (after a lapse of 30 min. after power ON)
Gain drift	Within ±50 ppm/°C of measured value (after a lapse of 30 min. after power ON)
Noise	Within 30 μVp-p RTI (full band) Within 2.5 μVp-p RTI (1 kHz band) Within 0.5 μVp-p RTI (10 kHz band)
Non-linearity	Within ±0.01% FS
Output voltage	･ Voltage output: 0 to ±10 V±5 mA, Output resistance: 0.2 Ω (BNC connector output) ･ Voltage output: 0 to ±10 V±30 mA, Output resistance: 300 Ω (binding post output)
Response characteristic	DC-100 kHz/-3 dB
High-pass filter (AC mode)	0.5 Hz(-3 dB)　±15%, -6 dB/OCT.
Low-pass filter	1, 10, 100, 1 k, 10 kHz (-3 dB) ±15% and PASS-12 dB/oct, Bessel type
Calibration value	Strain calibration: ±1 to 9999 x 10-6 strain, Voltage calibration: ±1 to 9999 μV, Setting method: 4-digit digital switch, Accuracy: ±0.2%±0.5ｘ10-6 strain (strain calibration), ±0.5%±5 μV (voltage calibration) superimposed on input signal
External control	Electronic auto zero function ･ Auto zero range: ±1 V (±10 V, ±5 V, ±2 V Please specify when ordering.) ･ Auto zero command: ON and OFF, panel face switch and external signal (negative pulse with a pulse width of 50ms or more)
Operating conditions	･ Working temperature range: 0 to +50°C ･ Humidity: 85% RH or less (non-condensing)
Power supply voltage	AC 100 V±10%, 50/60 Hz
Power consumption	10 VA typ.
Dimensions	49.5(W) × 138(H) × 310(D) mm (panel thickness included, but dimensions of protruding parts not included)
Weight	Approx. 1.9 kg
Attachments	･ AC input cord (1) ･ Spare fuse (0.5 A) (1) ･ CA8 (BNC-alligator clip cable 1.5 m) (1) ･ Operation manual (1)

Optional accessories

Model
CA3Y31	(6-core) input cable with PRC connector (3 m)
CA451	(6-core) input cable with PRC connector at both ends (5 m)
CA7	Coaxial cable with BNC
CA8	Cable with Alligator clip at one end

Download

Operation manual(PDF)
Product catalogue(PDF)		⇒Download Page
External dimension	DXF （ZIP）
External dimension	PDF
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