Vakum ölçer ve Barometre GHM 3161-12
HIGHLIGHTS:
- For absolute pressure and vacuum
- Range from 0 to +1300 mbar
- With sea level correction
- Integrated pressure sensor
- Sturdy metal connection pin
- Tare function / zero point offset
- ATEX version available
SPECIFICATIONS:
Measuring range: 0 ... 1300 mbar abs.
Overload: max. 4 bar abs.
Resolution:
1 mbar
Additional pressure units: mbar, bar, kPa, MPa, PSI, mmHg, mH 2 O
Accuracy: (typical values)
Hysteresis and linearity: ±0.2 % FS; (±0.1 % FS)
Temperature-influence from 0 - 50 °C: ±0.4 % FS
Option higher accuracy available: yes
Pressure connection: 1
Scope of supply: Device, battery, calibration protocol, manual
TEKNİK VERİLER
Pressure port 2 (Variant -12: 1) universal pressure ports for 6x1 mm (inner: Ø4 mm) hoses or others, e.g. with inner Ø 6 mm
Sensors Piezoresistive sensors, temperature compensated
Pressure units mbar (=hPa), bar, Pa, kPa, MPa, mmHg, PSI, m water column, depending on variant!
Media Air and non-aggressive gases
Measuring cycle Approx. 4 measurements /s (GMH 3181 "Fast": 1000 / s)
Display Two 4½-digit LCD displays (12.4 mm and 7 mm), plus additional information arrows
Operating elements 6 membrane keys
Output 3-pole jack socket Ø 3,5mm, optional serial interface or analog output
Serial interface can be connected directly to the RS232 or USB interface of a PC via interface converter GRS 3100 / GRS 3105 or USB 3100 N (accessories).
Analog output (only GMH 3181) 0...1 V, freely scalable (resolution 13 bit, accuracy 0.05 % at nominal temperature)
Power supply 9 V battery as well as additional power supply socket for external 10.5-12 V (Not EX versions!) low battery indicator
Automatic switch-off, adjustable
Battery life approx. 500 h (Fast Mode 3181: 120h)
Housing impact-resistant ABS, membrane keypad, protection screen, mounting/suspension bracket (not EX versions) additionally with EX versions: leather protection bag
Protection class IP40
Dimensions 142 (+16 mm socket) x 71 x 26 mm (H x W x D)
Weight approx. 170 g (-EX: approx. 210 g incl. protection bag)Ambient conditions -25 to 50 °C; 0 to 95 % r.h. (non-condensing)Standard functions Min/Max/Hold Zero and slope adjustment GMH 31x1-12: Sea level correction
Additional functions GMH 3181:
Logger function manual: 99 data sets (recall via display or interface) autom.: 10,000 data sets (recall via interface), low power function for long time recording without power supply unit adjustable cycle time: 1 s ... 1 h Logger start and stop via keyboard or interface. Software GSOFT 3050 is available for reading out the logger data. Averaging over adjustable time averaged value is output - besides min. and max. values Alarm function Alarm horn (Not EX versions!), display, adjustable
Additionally GMH 31x1-EX: Electrostatic dissipative protective leather cover (ST-R1/ST-R2) EX-Approval II 2 G Ex ib IIC T4 Gb