Ashcroft DG25 Digital Pressure Gauge Specification
Accuracy: 0.5% F.S. standard, 0.25% optional includes effects of linearity, hysteresis and repeatability
LCD Display: Five-digit numeric top line, five-character alphanumeric lower line, 20 segment vertical bar graph, four-segment battery life indicator, dedicated icons for gauge timer, back light timer, tare, min and max
Character Height: Upper line 0.48˝ (12.19mm,) Lower line 0.24˝ (6.10mm)
View Angle: 12 o’clock
Backlight: Optional (Blue Backlight)
Engineering Units: psi, bar, inHg, cmHg, mmHg, kPa, mPa, kg/cm2, ftH2O, and customer defined unit
Ranges: 45 standard psi and bar ranges from –14.7 to 25000 psi, gauge, vacuum and compound ranges available.
Resolution (by range): See chart
Enclosure Material: Case and Back: Polycarbonate/ABS; Window: Polycarbonate
Enclosure Rating: IP67
Protective Boot: Optional (Black or Orange)
Serial No.: Yes
Nominal Size: 2.73˝ (70mm) dia.; 1.61˝ (40.9mm) deep; 2.64˝ (67mm) center-line to end of 1⁄4 NPT thread height
Wetted Material: 17-4 ph sensor & 316L socket, laser welded
Connection: 1⁄4 NPT lower standard, Options 1⁄8 NPT, G ¼ B, others consult factory; 6 o’clock (lower) position standard; 12 o’clock (upper) position optional (factory set only) (not available with initial release)
Battery: Two AA alkaline batteries
Battery Life: 2000 hours minimum
Battery Life Indicator: 4 levels
Cycle Life: 10 million cycles
Vibration: MIL-STD-202G, Method 201A
Shock: MIL-STD-202G, Method 213B, Test Condition K
Operating Temp: –4°F to 140°F, (–20°C to 60°C) ambient temp.; –4°F to 176°F, (–20°C to 80°C) process media temp
Storage Temp: Batteries Installed: –4°F to 140°F, (–20°C to 60°C) Batteries Removed: –4°F to 176°F, (–20°C to 80°C)
Temp. Coef.: 0.04%/°F (–20°F to 180°F) zero and span Reference Temp. 70°F
Leak Integrity: 10-7 std. cc/sec.
Update Rate: 1Hz, 2Hz, 4Hz,
Keypad Functions: Three key; available with multi press functionality
Hard Keys:
- on/off; Power Symbol and Enter
- zero; Zero, Tare, and Up Arrow
- menu Access, Backlight, Down Arrow
Agency Approvals: CE (heavy industrial), ASME B40.7, RoHs, UL 61010/ cUL
Proof Pressure: Vac – 2,000: 200%
% of Span 3,000 – 5,000: 150% 7,500 – 25,000: 120%
Burst Pressure: Vac – 2,000: 800%
% of Span 3,000 – 5,000: 500% 7,500 – 25,000: 300%