- 4 -
CAL circuit selected by switches on p.c. board.
Standard factory-installed resistors (±0.1%)
simulate:
±200 and ±1000
µε
@ GF=2 across dummy
half bridge;
±1000
µε
@ GF=2 across dummy gage (120
Ω
and 350
Ω
).
±1 mV/V (double shunt) for 350
Ω
transducer.
Remote-operation relays (Option Y):
four relays
(plus remote-reset relay for bridge balance and
relay for excitation on/off). Each relay requires 10
mA @ 5 Vdc, except excitation on/off 25 mA.
AMPLIFIER
Gain:
1 to 11 000 continuously variable. Direct-
reading, ±1% max. 10-turn counting knob (X1 to
X11) plus decade multiplier (X1 to X1000)
Frequency response, all gains full output:
dc coupled: dc to 125 kHz, -3 dB max.
dc to 55 kHz, -0.5 dB max.
ac coupled
:
1.7Hz typ. to 125 kHz, -3 dB max.
Frequency response versus gain, full output:
GAIN
-
0.5db
-
3 db
1-11
120 kHz
300 kHz
10-110
90 kHz
230 kHz
100-1100
70 kHz
150 kHz
1000-11000
55 kHz
125 kHz
Input impedance:
100 M
Ω
, min, differential or
common-mode, including bridge balance circuit.
Bias current:
±40 nA, typical max., each input.
Source impedance:
0 to 1000
Ω
each input
.
Common-mode voltage: ±
10V.
Common-mode rejection (gain over X100):
Shorted input
:
100dB, min, at dc to 60 Hz;
90 dB, min, dc to 1 kHz;
350
Ω
balanced input
:
90 dB, typical, dc to 1
kHz.
Stability (gain over X100): ±
2
µ
V/°C, max, RTI
(referred to input).
Noise (gain over X100, all outputs):
0.01 to 10 Hz
:
1
µ
V p-p RTI.
0.5 to 125 kHz:
6
µ
Vrms, max, RTI.
FILTER:
Characteristic:
Low-pass active six-pole Butterworth standard.
Frequencies (-3 ±1 dB):
10, 100, 1000 and 10 000
Hz and wide-band.
Outputs filtered:
either one or both (switch-
selected on p.c. board).
AMPLIFIER OUTPUTS:
Standard output: ±
10V @ 5 mA, min.
Tape output: ±
1.414V (1 Vrms) @ 5 mA, min.
Linearity @ dc: ±
0.02%.
Either output can be short-circuited with no effect
on the other.
PLAYBACK:
Input: ±
1.414V full scale; input impedance 20 k
Ω
.
Gain:
X1 to tape output; X7.07 to standard output.
Filter selection:
as specified above.
Outputs:
Both as specified above.
OPERATING ENVIRONMENT:
Temperature:
0° to +50°C.
Humidity:
10 to 90%, non-condensing.
POWER:
105 to 125V or 210 to 250V (switch-selected),
50/60 Hz, 10 watts, max.
Keep-alive supply (for bridge balance):
Lithium
3.6V, 1/2AA or equal. Shelf life approximately
two years.
SIZE & WEIGHT:
Panel
: 8.75 H x 1.706 W in
(222.2 x 43.3 mm).
Case depth behind panel:
15.9 in
(404 mm).
Weight:
6 lb
(2.7 kg).
2.2
2350 RACK ADAPTER
APPLICATION:
Fits standard 19-in
(483-mm)
electronic equipment
rack.
Accepts up to ten 2310B Amplifiers. AC line
completely wired.
Wiring for remote calibration with Option Y.
POWER:
115 or 230 Vac switch selected in amplifiers, 50/60
Hz, 100 Watts max.
SIZE & WEIGHT:
8.75 H x 19 W x 19.06 D overall
(222 x 483 x 484
mm).
13.5 lb
(6.1 kg).
2.3
2360 PORTABLE ENCLOSURE
DESCRIPTION:
Enclosure to accept up to four 2310B Amplifiers.