Dwyer HM28 Manuel d'utilisateur

Operating instructionsDigital handheldpressure gaugeHM28

10setrecint_30m * 235 CR (tab)ok * 13 CRsetrecint_60m * 238 (tab)oksetautooff_man * 198 CR (tab)ok * 13 CR Select autom. switching off time (minutes)s

11Linearity, hysteresis andrepeatability(10 °C to 35 °C) ± 0,2 % F.S.(50 °F to 95 °F) (standard) ± 1 digit± 0,1 % F.S.(option) ± 1 digit± 0,05 % F.S.(

12 4.3 Power supply unit connectionThe HM28 can be operated by a regulatedplug-in power supply unit.Input 115V, 60 HzOutput 9 V DC ± 20 %, 100 mA(7 to

13 7 AccessoriesStandard 1 9 V block battery1 operating instructionsOption Plug-in power supply unit115V, 60HzLeather case with carrying strapService

14 8 Calibration instructionsRecalibration to be carried out byspecially skilled staff only!Actuate the following key combinations:• First press MODE

LOVE CONTROLS DivisionDwyer Instruments, Inc.Highway 212 AT 12Michigan City, IN 46360USAPhone ++1 219 879 8868Fax ++1 219 872 9057I-HM28/0501, Art. Nr

2 Contents 1 Description...4 2 Safety details ...4 3 Operating ...

3ON = OnOFF = OffMODE = Select operating mode- Pressure measurement- Min./Max.- Leak rate- DataloggingCLEAR/ZERO = Zero settingPRINT/HOLD = Print and

4 1 DescriptionThe „LOVE CONTROLS“ handheld pressuregauge HM28 is a digital pressure measuringinstrument with integrated pressure sensorfor the measur

5Switching onNormal(differential)andanalogue/holdNormal(absolute)and differentialZoomMin/MaxLeak rateTendency(absolute)Record 1)Print Recordprinthol

6set unit mbar, kPa, bar, 2)mmH2O, mH2O,mmHg, psi, inH2O,inHg, hPa, Pa, MPaset highresolution1) lowset damping offonset baudrate 9600, 4800, 2400

7Code ConfigurationPressure unitPressure unitPressure unitPressure unitPressure unit5 MPa(7-70bar)6 Pa(25mbar-7bar)7 kPa8 bar9 mH2O(with 70bar,otherwi

8remote * 182 CR (tab)[ok] * 13 CR Switch to remote control andblock keypadlocal * 53 CR (tab)[ok] * 13 CR Switch to keypadoff * 101 CR (tab)[ok] * 13

9setunit_mmh2o * 57setunit_mmhg * 255setunit_psi * 162setunit_inh2o * 54setunit_inhg * 252setunit_hpa * 143setunit_pa * 39setunit_mpa * 148setbaud_960