KOBATA GAUGE DMH-01-100kP Handy Digital Manometer +/-100kPa

Manufaturer:	KOBATA GAUGE
Model:	DMH-01-100kP

Product code

111-67764

Price 2,268.00 USD

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Description

The sampling interval can be set in 12 steps from 10 ms to 60 sec.
When connected to a computer, you can measure and save the measurement data while viewing the pressure changes on the screen.
Measurement data is saved in a CSV file, so it can be analyzed using spreadsheet software, etc.
Measurement range (kPa): 0 to ±100
Resolution: 0.1kPa
Measurement pressure: differential pressure
Material: Body/Flame-retardant ABS resin
Accuracy: ±0.5% FS
Sampling interval: 12 levels (10ms, 20ms, 50ms, 100ms, 200ms, 500ms, 1sec, 2sec, 5sec, 10sec, 30sec, 60sec)
Measurement medium: Non-corrosive gases such as nitrogen and oxygen
Built-in memory: 16MB (can store approximately 3.31 million pressure data items)
Size: Main unit/76 x 135 x 35 mm (excluding protrusions)
Pressure connection port: One-touch hose joint (tube outer diameter Φ4mm) *Can be changed to lure fitting
Power supply: 2 AA batteries (included for testing)
Weight: 212g (excluding batteries)
Accessories: Silicone cover, dedicated hose (2m), USB cable for PC connection, dedicated software (CD-ROM)
Frequently Asked Questions (FAQ) for the DMH-01-100kP Digital Pressure Gauge:

1. What is the measurement range and accuracy?
Measurement range: 0 to 100 kPa.
Accuracy: ±0.5% FS (standard) or ±1.0% FS (optional).
2. Which media can the device measure?
Non-corrosive gases such as air, nitrogen, oxygen.
Clean liquids like water or hydraulic oil.
Not suitable for corrosive chemicals, slurries, or media with particulates.
3. What power supply options and battery life does it offer?
Internal power: 2 × AA batteries providing 6–12 months of continuous use (depending on sampling interval).
External power: 24 V DC (required when using 4–20 mA output).
4. What output signal interfaces are supported?
4–20 mA analog (2-wire or 4-wire).
0–10 V analog.
RS-485 Modbus RTU digital communication.
5. How do I perform zero calibration (“zeroing”)?
Vent the sensor to ambient (0 kPa).
Press and hold the ZERO button for ~3 seconds until the display reads “0.00.”
Release and allow the reading to stabilize—this value is stored as the zero reference.
6. How do I wire RS-485 and set the Modbus address?
RS-485 terminals: A (Tx+), B (Tx–), GND.
Power on, press and hold SET to enter configuration menu.
Navigate to “Addr” to assign a device ID (1–247).
Select baud rate (2400, 4800, 9600 bps) and parity (None, Even, Odd).
7. What overpressure protection does it have?
Withstands temporary overpressure up to 150 kPa without mechanical damage.
For continuous over-range operation, install a pressure relief or safety valve.
8. What are the recommended operating conditions?
Ambient temperature: –10 °C to +60 °C.
Humidity: < 85% RH (non-condensing).
Avoid environments with heavy vibration or shock—use vibration isolators if needed.
9. How should I maintain and clean the gauge?
Disconnect all power sources before cleaning.
Wipe external surfaces with a damp cloth; do not use aggressive solvents.
Recalibrate every 6–12 months or per your quality procedures.
10. What do the error messages “Err1” and “Err2” indicate?
Err1: Sensor circuit open or wiring fault—check cable connections and integrity.
Err2: Input pressure exceeds the measurement range—reduce applied pressure or fit a relief valve.