manufacturer :       Hewlett Packard

model :                   3392A

annotation :           Dokumente engl.

The HP 3392A can be configured in at least three ways:

•            as a stand -alone instrument.

•            as the controller an the Instrument Network (INET), controlling an INET-compatible instrument.

•            connected to a hast computer and operating in either remote or locally-driven mode.

SPECIFICATIONS

OPERATIONAL SPECIFICATIONS

Analog/Digital Conversion

Analog/Digital                         Continuously integrating dual slope;

Conversion Type:                   100% area conversion

Input Voltage Range :              -10 mV to +1000 mV, ± 10%

Maximum Floating Voltage     ±50 V peak

Above/Below Ground:

Input Impedance:                   50 MΩ (typical)

                                              15 MΩ (minimum)

Sensitivity:                              136 µV/cm at Att2↑ = 0.

Internal Noise:                        2 µVp-p MAX, over 1.5 min. with PK WD

                                              0.16 and with a 1500 Ω resistor across signal input; see Note 1,

Drift:                                       3.5 µV/°C over a temperature range of 0

                                              to +35°C; 10 µV/°C from +35 to +55 °C

Nonlinearity:                           ± 0.2% maximum

Area per Count:                      0.125 µV-sec ./ count, ± 10%

Note 1:                                    This specification applies to environments that are free from

radio-frequency interference (RFI). At attenuation settings less than Att2↑ = 0, when a 1 mV input yields full-scale plotter deflection, the signal path may be affected by RFI in the range of 8 MHz to 150 MHz.

Data Storage and Reporting

Maximum Storage                  Approximately 1000 peaks

Capacity:

Maximum Retention               327 min.; with option 19 activated; time

Time Reported:                      scale can be expanded by 10.

Maximum Peak Rate:            1 peak every 0.67 sec., continuous

Retention Time

Resolution:

--Printing:                               0.001 min. (0.06 sec.)

--Calculation and

Identifications:                        0.01 min. (0.6 sec.)

Maximum Battery                   2 hrs., avg., at 25°C

Sustaining Time:

Nominal Battery

Current Consumed

During Battery Mode:             180 mA, ± 20%

Printer/Plotter

Printer Paper:                         Thermal. 400 ft. roll, 4.25 in. wide; 4

rolls per box; box is HP patt number S 080- 8800 (blue printing) 9270-i 134 (black printing)

Maximum Plottable                Approx. 3.25 x 4800 in. (8.26 cm x

area per roll:                           124.7 m)

Maximum Plot Range :           1000 mV full scale at Att2↑ = 10; 1 mV at

                                              Att2↑ = 0.

Average Print Speed:             48 characters/sec .

Maximum Chart Speed:         30.0 cm/min.

Print Character Format:         5 x 7 dot matrix

Character Density

( printing ):                                14 characters/in.

Maximum Plotting

Velocity:                                  30 cm/sec. (12.24 in ./ sec.)

Maximum Plotting

Acceleration:                          163.26 cm/sec ² . or 400 in./sec ²

Data Communications and External Control

Connections provided:   4, labeled: SAMPLE, REMOTE, CMPTR,

                                      INSTR NETWORK (in and out).

REMOTE Control:          Start Input (TTL): enables external

                                      devices to start the HP 3392A.

                                      Stop Input (TTL): enables external devices to stop the HP 3392A.

                                      Selectable high or low level, edge or level start/stop signal.

External start relay: a one-second contact closure output at start of run.

Ready input live (TTL): senses whether external instruments are in ready state.

Ready output line (TTL, open-collector): indicates whether HP 3392A and all instruments and computer connected to HP 3392A are ready.

SAMPLE:                        Ability to Bense up to 100 sample numbers (in Binary Coded Decimal, BCD); selectable high or low input levels.

                                      +5 volt output provided.

CMPTR (Computer):     RS-232-C protocol with baud rates: 150; 300; 600; 1200; 2400; 4800; 9600; 19,200.

HPDL (HP Data Link) protocol with baud rates: 150; 300; 600; 1200 2400; 4800; 9600; 19,200.

INSTR NETWORK

(1NET):                          Loop for analytical instruments using an

                                      HP-IL link-level protocol.

PHYSICAL SPECIFICATIONS Electrical

Line Voltage                           100, 120, 220, and 240 VAC

Selections Provided:

Line Voltage Tolerante:          all selectable voltages: +5%, -10%

Frequency Range :                 48 to 66 Hz

Power Consumption:             35 VA (nominal) when unit is in Ready

                                              state ; 45 VA, MAX

Power cord length:                 Refer to Section 8.

Battery Backup                      Requires battery pack, part number

Requirements:                       03392-60530, factory -shipped with 3392A.

Safety Classification:             Safety Class I

Mechanical

Size:

-Height, top to bottom:           4.25 in. (11 cm)

-Width, left to right:                 11.00 in. (28 cm)

-Depth, front to back:             12.50 in. (32 cm)

Weight: (benchtop)                10 lbs. (4.54 kg); with battery pack

                                              installed and no paper loaded.

Mechanical Mounting:            Benchtop Installation an a hard, flat

surface with 6 in. (14.7 cm) clearance in front, in back, and along both Eides to allow ample ventilation.