Physiological Recorder: Physiomex - Columbus Instruments

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The Physiomex is a general purpose physiological data acquisition system for use with laboratory animals. It provides two channels of blood pressure and two channels of temperature recording. Additionally, Physiomex has a high level ECG input as well as connections for simple, three-lead, direct ECG recording.

Blood pressure inputs accept the standard “Electronics for Medicine” connector and will operate with most pressure transducers. Temperature is measured with standard “T-type” thermocouple transducers. Columbus Instruments offers a range of pressure and temperature transducers for use with the Physiomex. Please contact us with application needs.

Communication between the Physiomex and your PC is by RS-232 (cable included). Your computer should be running a recent version of the Windows operating system. Software provided with the Physiomex allows for the display of graphical and numerical data from each of the five transducer inputs. Derivation of Heart Rate made be made from a user selected input. Data may be logged at user specified intervals for later import by spreadsheet or statistical analysis programs.

Features / Specifications

Measures and displays two (2) systolic, diastolic and mean pressures, dp/dt.
Equipped with EKG amplifier. Monitors, displays, and stores EKG curve.
Stores HR, BT, DP, MP, SP in programmable intervals.

Isolated inputs
(All isolated inputs have over 1500v of low leakage isolation to the chassis and computer connections.)

Temperature Inputs (2)
Type: "T" thermocouple
Range: -5° to 50°C

ECG Input
Three lead: LA, RA, RL
Range: 50uV to 2mV peak to peak

Blood Pressure Inputs (2) (-100 to + 300 mmHg range)
Resolution: 1 mmHg,
Accuracy: +/-0.5% full scale, +/-1mmHg
Transducer sensitivity: 5 µV/V/mmHg
Transducer nominal impedance: 300 ohm
Transducer Excitation: 4 volts

Non-isolated connections

High Level ECG Input:
Two ranges: +/-0.25 volt, +/-1.25volt
Foot switch input for starting a C.O. measurement cycle remotely
Injector trigger output for automated C.O. injection
Computer RS-232 serial port connection: 38400 baud

12 watts
120VAC, 60Hz; 240VAC, 50Hz (Factory Selected)
Fuse: 1/2 ampere, type MDA

Dimensions:
Size: 14" x 11.5" x 4" (35.5 x 29 x 10 cm)
Weight: 6 lbs. (2.72 kg)

Ordering Information

1900 Physiomex physiological recording system with software
Physiomex employs Datamax BP Transducers above for BP Sensing
Physiomex employs Iso-Thermex Temperature Probes for Temperature Sensing