Brief introduction
ACD-2H Standard Digital Pressure Gauge adopts the most advanced micro power consumption, high precision device and perfect embedded software technology. This gauge also adopts the automatic temperature compensation technology, which can ensure the accuracy grade in the whole temperature range. The high-performance industrial lithium battery inside can work ten years continuously. The RS485 communication interface standard equipped signal isolation technique can communicate with computer directly under the cooperation of communication software when connects external power. The communication software has data acquisition, curve, storage and statements processing functions.
Patent for utility models
①ZL2008 2 0028605.1 《digital instrument button and display device》
②ZL2015 2 0269374.3 《instrument power lithium battery》
③ZL2009 2 0062360.9 《micro power consumption and low pressure drop sensor constant current drive circuit》
④ZL2014 2 0475830.5 《pressure and temperature gauge outfit》
Patent for industrial design:
⑤ZL2014 3 0300364.2 《pressure and temperature gauge outfit》
⑥ZL2008 3 0019531.0 《instruments (pressure test gauge) 》
Product features
1. 11 units display: Pa kPa MPa psi bar mbar kgf/cm2 inH2O mmH2O inHg mmHg
2. 0.25 ~ 10 seconds per time acquisition speed
3. open design battery, easy to change
4. magnetic induction button design, eliminate interference and not easy to damage
5. six figures display on big LCD screen
6. pressure percentage bar charts shows
7. automatic temperature compensation technology to reduce error under bad environment
8. zero stable technology, increase the stability of the instrument
Product application
1. lab pressure acquisition, data storage and processing
2. verify pressure (differential pressure) transmitter, precision pressure gauge, general pressure gauge, blood pressure monitor and other pressure instruments
Product parameter
1. Display unit: Pa kPa MPa psi bar mbar kgf/cm2 inH2O mmH2O inHg mmHg
2. Measuring Range: Gage Pressure: -0.1MPa～260MPa
Differential Pressure: 0～3.5MPa
Aboslute Pressure: 0～60MPa
3. Accuracy grade: 0.05 0.1
4. Communication mode: RS485 USB
5. Power supply mode: external power:10-30VDC
build-in one 3.6V high power lithium battery
6. Picking rate: 0.25-10s per time, standard 0.5s per time, time can be controlled
7. Stability Performance: +0.1% FS per year
8. Battery life:
| Picking rate | 4 times per second | 2 times per second | 1 time per second | 1 time per 2s |
| Life time | 2.5 yeas | 4 years | 5 years | 6 years |
| Picking rate | 1 time per 3s | 1 time per 4s | 1 time per (5-10)s | |
| Life time | 7 years | 8 years | More than 10 yeras | |
10. Relative humidity: ＜90%
11. Barometric pressure: 86-106KPa
12. Others: Calibration reference operating temperature 20℃±2℃
0.05 accuracy requires operating temperature 0-50℃
13. Medium Temperature: General temperature range （-40～120）℃
Wide temperature range （-60～150）℃
14. Display mode: six figures dynamic display and percentage bar chart
15. Protection Degree: IP65
16. Exdl: ExiaIICT4 Ga
17. Overload Pressure: 1.5-3 times of measuring range, depending on the measuring range
18. Process Connection: Metric M20×1.5、M14×1.5、M14×1
US/UK Standard: G1/2、G3/4、G1/8、G3/8, NPT 1/2、NPT 1/4、NPT 1/8
Install mode
Product model selection:
