DayTronic 3500 Series, Instruction Manual

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Common-Mode Rejection Ratio: -116 dB at DC; -120 dB at 60 Hz
Input Impedance: Differential: 10 megohms; Common-Mode: 0.5 megohm
Offset: Initial: ±0.005 mV; vs. Temperature: ±0.0001 mV/°C; vs. Time: ±0.001
mV/month
Gain Accuracy: ±0.05% of absolute mV input range of -10 to +80 mV
Gain Stability: Vs. Temperature: ±50 ppm/°C; vs. Time: ±20 ppm/month
Analog Filtering for Displayed Reading: 2-pole modified Butterworth; 3 dB down
at 1 Hz; 60 dB down at 50 Hz
Step Response Settling Time (Full-Scale Output)
To 1% of final value: 1.0 second
To 0.1% of final value: 2 seconds
To 0.02% of final value: 6 seconds
Total System Accuracy ( typical): See table, above
Digital Peak Capture: Displays the most positive measurement reading, which is
digitally held for indefinite display; PEAK and TRACK modes controlled by front-
panel button, rear-panel logic input, or computer-port command
Analog Output: ±5 V, microprocessor driven and scaled to user-specified range;
±1 mV resolution
Accuracy: 0.1% of current voltage reading ±2 mV
Output Bandwidth: 1 Hz maximum*
Frequency Characteristics and Step-Response Settling Times: See "Analog
Filtering for Displayed Reading" for the Model 3510, above
A.2.b M
ODEL
3530 LVDT C
ONDITIONER
Full-Scale Input Ranges: "Normal": 0-150, 0-300, and 0-600 mV/V; "Long-stroke":
0-1, 0-2, and 0-4 V/V
Excitation: Nominal 3 V-AC (rms) at 3280 Hz; 40 mA max
Common-Mode Range: ±5 V operating, ±12 V without instrument damage
Common-Mode Rejection Ratio: Infinite at DC and 60 Hz; -60 dB at 3 kHz
Input Impedance: Normal-Mode: 400 k
Ω
; Common-Mode: 100 k
Ω
Offset: Initial: ±0.25% of full scale; vs. Temperature: ±20 ppm/°C; vs. Time: ±10
ppm/month
Gain Accuracy: ±0.02% of full scale ± 1 count LSD, typical, following calibration
Gain Stability: Vs. Temperature: ±50 ppm/°C; vs. Time: ±20 ppm/month
Analog Filtering for Displayed Reading: 5-pole filter with selectable low-pass
corner frequency of 5, 10, or 20 Hz
Corner Frequency
Response at . . . 5 Hz 10 Hz 20 Hz
- 3 dB 5 Hz 10 Hz 20 Hz
-60 dB 32 Hz 65 Hz 125 Hz
Step Response Settling Time
(Full-Scale Output) 5 Hz 10 Hz 20 Hz
To 1% of final value 250 msec 125 msec 60 msec
To 0.1% of final value 400 msec 200 msec 100 msec
To 0.02% of final value 600 msec 300 msec 170 msec
A.3
3500 S
ERIES
S
PECIFICATIONS
A
A.2 I
NDIVIDUAL
C
ONDITIONER
S
PECIFICATIONS
: M
ODEL
3530
* Due to analog input bandwidth, settling times are input-limited also.