Instrument products > Lineacorders and Servo Corders

WR3320A

Technical Specs & Details

Specifications (Main unit)
Model WR3320A WR3320A
-2H -4H -6H -8H -1DH -2DH -3DH -4DH
No. of Cannel 2 4 6 8 1 2 3 4
Pen motor GS3310 GW3310
Amplitude ±20mm ±40mm
Recording method Heat-sensitive paper (Black) and thermal pen
Circuit form DC Servo
Accuracy Within ±0.5% of full scale (including non-linearity and dead-band)
Frequency response
(1Hz reference)
10mmP-P : 0 to 140Hz (+5·-10%)
20mmP-P : 0 to 100Hz (+5·-10%)
40mmP-P : 0 to 60Hz (+5·-10%)
20mmP-P : 0 to 60Hz (+5·-10%)
40mmP-P : 0 to 45Hz (+5·-10%)
80mmP-P : 0 to 30Hz (+5·-10%)
Reference voltage 1V (Accuracy ±0.2%)
Paper feed speed 5, 10, 25, 50, 100, 250 and 500mm/sec or mm/min
0.5, 1, 2.5, 5, 10, 25 and 50mm/sec or mm/min <Accuracy: ±0.2% ±0.5mm>
External synchronization feed (50mm/sec max)
*Switching of pulse input or voltage input control
<Accuracy> Pulse input control : ±0.2% ±0.5mm
Voltage input control : ±2.0% ±0.5mm
Time marker One mark every 1 or 10s or 1 or 10min (Accuracy: ±0.1%), and remote control
by external contact closure or TTL signal (Time marker mode or Event marker mode)
Event marker Push-button operation, or external control (contact closure or TTL signal) -
Remote paper feed Remote paper feed External contact closure or TTL signal
Remote paper harter Remote paper feed External contact closure or TTL signal
Paper rewind 50mm/sec (Roll paper only) -
Annotation printing
(optional: A-380)
Internal printing : Date, time (elapsed or real), and chart speed
External printing : Alphanumeric, symbols by ASCII codes input from external devices
Power requirement AC 100·117·220·240V ±10%, 50/60Hz -
Power consumption *
H: 10mm p-p 140Hz
DH: 20mm p-p 60Hz
Paper feed speed:
500mm/sec
250VA 340VA 450VA 560VA 155VA 190VA 240VA 300VA
Dimensions (mm)
(Tolerance:±3mm)
W : 430 x H : 187 common
199 (D) 289 (D) 379 (D) 450 (D) 199 (D) 289 (D) 379 (D) 450 (D)
Weight (approx.) * 13kg 17kg 25kg 26kg 12kg 15kg 22kg 22kg
Operating environment 0 to 45℃, 30 to 85% RH

* Power consumption and weight include pre-amplifiers.

Specifications (Pre-amplifier)
Model AH3301A AH3302A
Maximum sensitivity 1mV/cm 0.5mV/cm
Masurement range
(Switching accuracy)
1, 2, 5, 10, 20, 50, 100, 200, 500mV/cm
1, 2, 5, 10, 20, 50, 100, 200, 500V/cm
0.5, 1, 2.5, 5, 10, 25, 50, 100, 250mV/cm
0.5, 1, 2.5, 5, 10, 25, 50, 100, 250V/cm
±1% (with respect to 500mV/cm range) ±1% (with respect to 250mV/cm range)
Input resistance 1MΩ (fixed)
Maximum input voltage DC 500V (including common mode voltage)
Sensitivity adjustment Settable anywhere within full measurement range
Calibration voltage Measurement range x 2 (20mm) Measurement range x 4 (40mm)
Zero position Settable anywhere within full scale
CMRR AC : 120dB
Input filter Built-in (50Hz/60Hz/OFF, switchable)
Compatible Pen motor GS3310 GW3310

WR3320A Standard Accessories