Product outline

High-accuracy DC amplifier with high-pass and low-pass filter.
● 7-segment LED display with 8 mm character height
● High-accuracy DC amplifier with high-pass and low-pass filter
● High gain (max. gain: 10000 times) at DC to 20 kHz band
● Equipped with easy-to-use strain gage simulator function for calibration
● Zero drift: within ±0.3 μV/℃
● Auto zero function

Specifications

Input resistance range 60 Ω to 2 kΩ
Excitation voltage DC 2.5, 5, 10, 15 V±0.3%
Output current: within 50 mA
Zero adjustment range ±1.5 mV/V
10 turn potentiometer dial knob
Gain adjustment range Coarse adjustment: 0, 1/50, 1/20, 1/10, 1/5, 1/2,1/1 Error±0.2%
Fine adjustment: 1 to 1/6 of each range variable
Input voltage range 0 to ±100 mV
Input resistance 10 MΩ or more (balanced differential direct-connect type)
Voltage amplification Max. 10000 times
Zero drift (at gain max.) Within ±0.3 μV/℃ RTI (after a lapse of 30 min. after power ON)
Gain drift Within 0.01%/℃ (after a lapse of 30 min. after power ON)
Noise (at gain max.) Within 20 μVp-p RTI (full band)
Within 6 μVp-p RTI (1 kHz band)
Within 0.8 μVp-p RTI (10 Hz band)
Non-linearity Within ±0.01%/FS
Output signal Voltage output: 0 to ±10 V ±5 mA
Output resistance: 0.2 Ω (BNC connector output (Two lines))
Voltage output: 0 to ±10 V ±30 mA
Output resistance: 300 Ω (External I/O connector)
Response characteristic DC to Approx. 20 kHz/-3 dB
High-pass filter 0.5 Hz(-3 dB), ±15%, -6 dB/oct. (AC mode)
Low-pass filter Bessel type (-12 dB/oct.)
1, 10, 30, 100, 300, 1 kHz (-3 dB) ±15% and PASS
Calibration value Strain calibration: ±1 to 9999×10-6 strain
(superimposed on input signal)
Setting method: 4-digits digital switch
Accuracy: ±0.2%±0.5×10-6 strain
External control Auto zero function;
Auto zero range: ±1 V
Resolution: 12 bit (±1/2000)
Auto zero command;
ON and OFF, panel face switch and external signal
(negative pulse with a pulse width of 100 ms or more)
CAL command;
CAL+ and CAL-, panel face switch and external signal
Voltage monitor Display: Character height 8mm numerical display, 7 segment red LED
Dispaly value: −19999 to 19999, sign: minus sign on most significant digit
Unit: V fixed
Minimum scale value: 1, 2, 5, 10 (Rounding off)
Operating conditions ･ Operation temperature range: 0 to +40℃
･ Storage temperature range: −30 to +80℃
･ Humidity: 85% RH or less (non-condensing)
Power supply voltage AC 100 V±10%, 50/60 Hz
Power consumption 10 VA typ.
External dimensions 49.5(W)×138(H)×310(D) mm (not including protrusions)
Weight Approx. 1.6 kg
Attachments ･ AC input cord ×1
･ Spare fuse (0.5 A) ×1
･ CA8 (BNC-BNC-alligator clip cable 1.5 m) ×1
･ Operation manual ×1

Optional accessories

Model Description
CA3Y31 Cable with PRC connector at one end (6 wire) 3 m
CA451 Cable with PRC connector at both end (6 wire) 5 m
CA7 Coaxial cable with BNC 1.5 m
CA8 BNC-alligator clip cable 1.5 m


Please note that there are possibilities of individual differences in a color tone on display devices such as LEDs, fluorescent display tubes and LCDs due to manufacturing process or production lots.


Download

Product catalogue(PDF)
 ⇒Download Page
Operation manual(PDF)
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（ZIP）
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