Description
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Display screen LED keypad with backlight and temperature compensation, 5-digit or 6-digit display |
Communication interface RS-232/RS-485 interface It can communicate with the upper computer |
Function button Switch/peak/voltage/current Pressure/Zero/Unit/Calibration |
Connection method Threaded connection, default M20×1.5 |

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Power key Closes under pressure, opens when depressurized |
Power/Peak key Pressure switch testing or Peak/Valley recording |
Calibration key Select 5-bit or 6-bit display When calibration is required Select the calibration object Press and hold for 3 seconds to enter the calibration state |
Voltage key Voltage measurement |
Current key Current measurement |
Pressure selection key Multi-Module selectable pressure ranges |
Zero calibration key One-Touch zeroing under no-load condition |
Unit switch key kPa、MPa、hPa、Pa、psi inH2O、inHg、mbar、bar mmH2O、cmH2O、 mH2O、mmHg mHg、kgf/cm²、Torr、atm |
24V power supply |
Common terminal |
RS-232/RS-485 |
Measuring current port |
Measure voltage port |
Charging interface |
Product name |
Digital pressure calibrator |
Model |
ALKC400A |
Measuring range |
-1~2500bar/-14.5~36000psi/-0.1~250MPa(Pressure selectable)
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Accuracy class |
0.05%FS/0.02%FS |
Communication model |
RS-232 or RS-485 |
Current measurement |
±25.0000mA |
Voltage measurement |
±50.0000V |
DC output |
24VDC |
Temperature range |
0~50 ℃ (with temperature compensation) |
Pressure connection |
The thread size is M20 × 1.5(M). If you need other thread sizes, please contact us for consultation.
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LCD display |
Press the button to select 5 or 6 digits for display |
Overload capacity |
1.2 times the upper range limit |
Power supply |
External charger 220VAC 50HZ 3VA |
Measurement medium |
Non corrosive liquids/gases |
Net Weight |
Approximately 1kg(Only for the pressure gauge body) |
Product size |
156×47×239mm |
Box size (aluminum box) |
310×240×110mm |
Packaged weight |
Approximately 6kg |
Product packaging size |
410×340×210mm |