Page 1
Data Sheet
DG25 General Purpose Digital Gauge
FEATURES
0.5% Accuracy (0.25% option)
Min./Max. function feature records low and high
pressure events
Nine engineering units: one field (programmable)
All Stainless steel-laser welded wetted parts
Push-button menu navigation
20 segment bar graph display
5 Digit numeric display
IP67 Enclosure
TYPICAL USES
Hydraulics and pneumatics
Test and measurement
Specialized OEM equipment
Material strength testing
Torque measurement
Weighing
SPECIFICATIONS
Accuracy:
Case Size: 2½˝
Nominal Sizes: 2.73˝ (70mm) dia., 1.61˝ (40.9mm) deep,
Character Height: Upper line: 0.48˝, (12.19mm), 5 digit
Ranges: Vacuum, compound, 15 to 25,000 psi
Pressure Connection: ¼ NPT typical, see page 4 for all options
Process Connection
Location:
Temperature
Coefficient:
Leak Integrity: 10-7 cc/sec
Update Rate: 1Hz, 2Hz, 4Hz
Vibration:
Shock:
Serial Number: Yes
View Angle: 12 o’clock
Battery: Two AA alkaline batteries
Battery Life: 2,000 hours minimum
Battery Life Indicator:
Cycle Life:
±0.5% of span (ASME B40.7 Grade 2A),
±0.25% of span (ASME B40.7 Grade 3A) (OPT.)
2.64˝ (67mm) centerline to end of ¼ NPT
thread height
Lower line: 0.24˝, (6.10mm), 5 character
alphanumeric
Lower
0.04%°F (–20°F to 180°F) zero and span
Reference temperature 70°F
MIL-STD-20G, Method 201A
MIL-STD-20G, Method 213B, Test Condition K
4 levels
10 million cycles
DG25
2.73˝, 70mm nominal case diameter
COMPLIANT
KEY BENEFITS
• Wide variety of pressure connection thread options
• Easily custom configured to meet unique requirements
• Ingress protection suitable for demanding applications
SPECIFICATIONS
LCD Display:
Keypad Functions:
Hard Keys: On/Off: Power Symbol and Enter Zero
Engineering Units:
Enclosure Rating:
Approvals:
PRESSURE RATINGS
Overpressure: Proof: Burst:
15 to m2,000 psi
M3,000 to m5,000 psi
M7,500 to m20,000 psi
Five-digit numeric top line, five-character
alaphanumeric lower line, 20 segment vertical bar
graph, four segment battery life indicator, dedicated
icons for gauge timer, back light timer, tare, min.
and max.
Three key; with multi press functionallity
Zero: Tare, and Up Arrow
Menu: Access, Backlight, Down Arrow
psi, bar, inHg, cmHg, mmHg, kPa, MPa, kg/cm2,
ftH2O, and customer defined unit
IP67
CE, UL 61010-1, CUL
2 X Range
1.5 X Range
1.2 X Range
8 X Range
3 X Range
1.5 X Range
All specifications are subject to change without notice.
All sales subject to standard terms and conditions.
©2018 Ashcroft Inc. dg25_gauge_ds_RevB_ Ltr_07-19
ashcroft.com
info@ashcroft.com
1.800.328.8258
of 41
Page 2
Data Sheet
DG25 General Purpose Digital Gauge
WETTED COMPONENTS
Diaphragm Socket Joints
17-4 Stainless steel 316L Stainless steel Laser welded
NON-WETTED COMPONENTS
Case Keypad
DG25
Batteries removed —
MIN/MAX TEMPERATURE LIMITS
Version Process Storage
-4°F to 140°F
(-20°C to 60°C)
-4°F to 140°F
(-20°C to 60°C)
-4°F to 176°F
(-20°C to 80°C)
Polycarbonate/ABS Polycarbonate
ORDERING CODE Example:
Model
DG - DG25 DG
Dial S ize
25 - 2.5˝ 25
Accuracy
3 - ±0.25% of span 3
5 - ±0.5% of span
Typ e
1 - Battery 1
Backlight
L - Backlight L
N - No backlight
Protective Boot
0 - None
1 - Black 1
2 - Orange
Electrical Connection
NA - Not Applicable NA
Process Connection Size
F09 - 9⁄16-18 UNF-2B internal thread, high pressure
M01 - 1⁄8 NPT Male
M02 - ¼ NPT Male M02
M04 - ½ NPT Male
M75 - No thread for seal weld
MD2 - ¼ NPT Female, (dr y seal) high pres sure
MG2 - G¼ B Male
MGA - G¼ A Male
MKJ - ¼ -19 BSP Male with shaft
MLF - ½ NPT Wi th 7⁄16-18 UNF-3B interna l thread
MR4 - R ¼ Male
MS2 - ¼ -19 BSP Male
Process Connection Location
L - Lower
Range (coding example, se e rang e tabl e below for all standard ra nges)
1000# - 0-1,000 psi 1000#
Opti ons (i f choos ing an o ptio n(s), must include an “X”) X__
B3 - Gauge pouch with Ashcroft® logo B3
C4 - Individual ce rtifie d calibr ation chart
NH - Metal t ag wired to case
OB - Generic non-branded key panel
QX - Epoxy potted stem (10 unit minimum)
6B - Cleaned for gaseous oxygen ser vice
6W - Cleaned to ASME B40.100 level IV, NOT marked for ga seous ox ygen service
Consult factory for: Custom configurations, OEM requirements, individual calibration chart, cleaned for gaseous oxygen service, gauge pouch with Ashcroft® logo, other ranges and mounting options
DG 25 3 1 L 1 NA M02 1000# -XB3
All specifications are subject to change without notice.
All sales subject to standard terms and conditions.
©2018 Ashcroft Inc. dg25_gauge_ds_RevB_ Ltr_07-19
ashcroft.com
info@ashcroft.com
1.800.328.8258
of 42
Page 3
Data Sheet
DG25 General Purpose Digital Gauge
Standard psi ranges
Low
2
High
Range
ftH2O
Low
Range
- -
- -
- -
psi bar inHg cmHg mmHg kPa MPa kg/cm
Low
High
Low
High
Low
High
Low
High
Low
High
Low
High
Low
RANGE
Range
Range
Range
Range
Range
Range
Range
Range
Range
Range
Range
CODE
Vacuum
0I#&V* -14.500 0 -0.9998 0 -29.52 0 -74.99 0 -749.99 0 -99.97 0 -0.1000
Compound
15#&V* -14.500 15.00 -0.9998 1.0342 -29.52 30.54 -74.99 77.57 -749.9 775.5 -100.0 103.4 -0.1000 0.1034 -1.0195 1.0546 -33.46 34.62
30#&V* -14.500 30.00 -1.000 2.068 -29.52 61.08 -74.99 155.15 -749.9 1551.5 -100.0 206.8 -0.1000 0.2068 -1.019 2.109 -33.46 69.23
60#&V -14.500 60.00 -1.000 4.137 -29.52 122.16 -75.0 310.3 -750 3103 -100.0 413.7 -0.1000 0.4137 -1.019 4.219 -33.46 138.46
100#&V -14.500 100.00 -1.000 6.895 -29.5 203.6 -75.0 517.2 -750 5172 -100.0 689.5 -0.1000 0.6895 -1.019 7.031 -33.46 230.8
300#&V -14.500 300.00 -1.000 20.685 -29.5 610.8 -75.0 1551.5 -750 1551 -100.0 2068.4 -0.1000 2.0684 -1.019 21.093 -33.46 692.3
Pressure
15#* 0 15.000 0 1.0342 0 30.54 0 77.57
30# 0 30.00 0 2.0685 0 61.08 0 155.15
60# 0 60.00 0 4.137 0 122.16 0 310.3 0 3103 0 413.7 0 0.4137 0 4.219 0 138.46
100# 0 100.00 0 6.895 0 203.60 0 517.2 0 5172 0 689.5 0 0.6895 0 7.031 0 230.77
200# 0 200.00 0 13,790 0 407.2 0 1034.3 0 10343 0 1378.9 0 1.3789 0 14.062 0 461.5
300# 0 300.0 0 20.685 0 610.8 0 1551.5 0 15515 0 2068.4 0 2.0684 0 21.093 0 692.3
500# 0 500.0 0 34.47 0 1018.0 0 2586
1000# 0 1000.0 0 68.95 0 2036.0 0 5172
1500# 0 1500.0 0 103.42 0 3054 0 7757
2000# 0 2000.0 0 137.90 0 4072 0 10343
3000# 0 3000 0 206.8 0 6108 0 15515
5000# 0 5000 0 344.7 0 10180
10000# 0 10000 0 689.5 0 20360
(1)
15000#
20000#
25000#
(1)
(1)
0 15000 0 1034.2
0 20000 0 1379.0
0 25000 0 1723.7
- - - - - - - -
- - - - - - - -
- - - - - - - -
- - - - - -
- - - - - -
775.5 0 103.2 0 0.1034 0 1.0546 0 34.62
0.0
1551.5 0 206.4 0 0.2068 0 2.1093 0 69.23
0.0
- -
- -
- -
- -
- - - -
Range
0 3447 0 3.447 0 35.15 0 1153.8
0 6895 0 6.895 0 70.31 0 2307.7
0 10342 0 10.342 0 105.46 0 3462
0 13789 0 13.789 0 140.62 0 4615
High
Range
Range
Range
-1.0195 0 -33.46 0
0
0 20.684 0 210.93 0 6923
0 34.47 0 351.5 0 11538
0 68.95 0 703.1 0 23077
0 103.42 0 1054.6
0 137.89 0 1406.2
0 172.37 0 1757.7
High
Range
Standard bar ranges
Low
2
High
Range
ftH2O
Low
Range
- -
- -
bar psi inHg cmHg mmHg kPa MPa kg/cm
Low
High
Low
High
Low
High
Low
High
Low
High
Low
High
Low
RANGE
Range
Range
Range
Range
Range
Range
Range
Range
Range
Range
Range
CODE
Vacuum
0BR&V -1.000 0 -14.50 0 -29.53 0 -75.01 0 -750.1 0 -100.0 0 -0.10000
Compound
1BR&V -1.000 1.0000 -14.50 14.50 -29.53 29.53 -75.01 75.01 -750.1 750.1 -100.0 100.00 -0.1000 0.1000 -1.0197 1.0197 -33.52 33.52
1.6BR&V -1.000 1.6000 -14.50 23.01 -29.53 47.25 -75.01 120.01 -750.1 1200.1 -100.0 160.00 -0.1000 0.1600 -1.020 1.632 -33.52 53.63
4BR&V -1.000 4.000 -14.50 58.01 -29.53 118.12 -75.0 300.0 -750 3000 -100.0 400.0 -0.1000 0.4000 -1.020 4.079 -33.52 134.08
6BR&V -1.000 6.000 -14.50 87.02 -29.5 177.18 -75.0 450.0 -750 4500 -100.0 600.0 -0.1000 0.6000 -1.020 6.118 -33.5 201.1
16BR&V -1.000 16.000 -14.50 232.10 -29.5 472.5 -75.0 12001 -750 12001 -100.0 1600.0 -0.1000 1.600 -1.020 16.315 -33.5 536.3
Pressure
1BR* 0 1.0000 0 14.503 0 29.53 0 75.01
1.6BR* 0 1.6000 0 23.205 0 47.25 0 120.01
2.5BR 0 2.500 0 36.25 0 73.83 0 187.52 0 1875 0 250.0 0 0.2500 0 2.549 0 83.80
4BR 0 4.000 0 58.01 0 118.12 0 300.0 0 3000 0 400.0 0 0.4000 0 4.079 0 134.08
6BR 0 6.000 0 87.02 0 177.18 0 450.0 0 4500 0 600.0 0 0.6000 0 6.118 0 201.12
10BR 0 10.000 0 145.03 0 295.3 0 750.1 0 7500 0 1000.0 0 1.0000 0 10.297 0 335.2
16BR 0 16.00 0 232.05 0 472.5 0 1200.1 0 12001 0 1600.0 0 1.6000 0 16.315 0 536.3
25BR 0 25.00 0 362.5 0 738 0 1875.2 0 18752 0 2500 0 2.5000 0 25.49 0 838.0
40BR 0 40.00 0 580.1 0 1181.2 0 3000
60BR 0 60.00 0 870.2 0 1771.8 0 4500
100BR 0 100.00 0 1450.3 0 2953 0 7500
160BR 0 160.00 0 2320.5 0 4725 0 12001
250BR 0 250.0 0 3626 0 7383 0 18752
400BR 0 400.0 0 5801 0 11812
600BR 0 600.0 0 8702 0 17718
1000BR 0 1000.0 0 14503
(1)
1600BR
* 0.5% Accuracy only.
(1)
Requires use of pressure connection F09 or MD2
Note “-” in range table indicates unit of pressure is not included in this pressure range
0 1600.0 0 23205
- - - - - - - -
- - - - - - - -
- - - - - -
- - - - - -
750.1 0 100.00 0 0.10000 0 1.0197 0 33.52
0.0
1200.1 0 160.00 0 0.16000 0 1.6315 0 53.63
0.0
- -
- -
- - -
- - -
- - - -
Range
0 4000 0 4.000 0 40.79 0 1340.8
0 6000 0 6.000 0 61.18 0 2011.2
10000 0 10.000 0 101.91 0 3352
16000 0 16.000 0 163.15 0 5363
High
Range
Range
Range
-1.0197 0 -33.52 0
0
0 25.00 0 254.9 0 8380
0 40.00 0 407.9 0 13408
0 60.00 0 611.8 0 20112
0 100.00 0 1019.7
0 160.00 0 1631.5
High
Range
All specifications are subject to change without notice.
All sales subject to standard terms and conditions.
©2018 Ashcroft Inc. dg25_gauge_ds_RevB_ Ltr_07-19
ashcroft.com
info@ashcroft.com
1.800.328.8258
of 43
Page 4
Data Sheet
2.64˝
67m
Ø 2.73˝
1.61˝
0.28˝
0.75˝ REF
1.063˝
Across Flats
¼ NPT THREAD, PER ANSI/ASME B1.20.1
DG25 General Purpose Digital Gauge
DIMENSIONS
For reference only, consult Ashcroft for specific dimensional drawings.
70mm
40.9mm
1.99˝
50.5mm
m
¼ NPT Male
27mm
1.063 Hex
1
⁄8 NPT Male (M01) ¼ NPT Male (M02)
1.063˝
Across Flats
0.28˝
R 0.141
1
⁄8 NPT THREAD, PER ANSI/ASME B1.20.1
½ NPT Male & 7⁄16–20 UNF-38 (MLF)
1.063˝
Across Flats
0.539˝
0.620˝
0.28˝
¼-19 BSP (MS2)
1.063˝
Across Flats
Ø 2.66˝
67.6mm
0.69˝
17.5mm
0.28˝
G¼B NPT Male (MG2) ½ NPT Male (M04)
1.063˝
Across Flats
Ø 0.518˝ REF
G¼B PER BS 2279, OR R¼ PER DIN 16288
No Threads (M75)
1.063˝
Across Flats
0.28˝
0.28˝
0.513˝
0.158˝
½ NPT THREAD, PER ANSI/ASME B1.20.1
¼ NPT Female Class 1 (MD2)
1.063˝
Across Flats
1.063˝
Across Flats
0.28˝
0.88˝ REF.
0.28˝
½ NPT THREAD, PER ANSI/ASME B1.20.1
7
⁄16 -20 UNF-38 THREAD, PER ANSI/ASME B1.20.1
¼-19 BSP Male w /Center Shaft (MKS)
0.118˝
¼-19 BSP W/CENTER SHAFT, PER SPEC BS2779:1986
All specifications are subject to change without notice.
All sales subject to standard terms and conditions.
©2018 Ashcroft Inc. dg25_gauge_ds_RevB_ Ltr_07-19
1.063˝
Across Flats
Ø 0.518˝
0.88˝ REF.
0.550˝
0.28˝
0.620˝
Ø 0.518˝ REF
¼-19 BSP PER, SPEC BS2779:1986
9
⁄16-18 Internal Thread (M09)
1.063˝
Across Flats
60°
9
⁄16-18 INTERNAL THREAD
ashcroft.com
info@ashcroft.com
1.800.328.8258
+2°
-0°
0.550˝
0.620˝
0.28˝
0.750˝
0.750˝
Ø 0.688˝
0.600˝
0.300˝
¼ NPTF CLASS 1, PER ANSI B1.20.3
G¼A-19 Stud End (MGA) R¼ Thread (MR4)
1.063˝
Across Flats
G¼A Stud End, DIN 3852-E-G¼
0.569˝
0.472
R¼ THREAD, PER EN 10226-2: 2005
1.063˝
Across Flats
0.75˝ REF
0.28˝
0.610˝
0.460˝
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