Specifications | Model | ADT685 | ADT685Ex | Description | Digital Pressure Gauge | Intrinsically Safe Digital Pressure Gauge | Intrinsic Safety & European Compliance | CE | CE marked, ATEX certified intrinsically safe, II 1G EX ia IIC T4 Ga | Accuracy (For detailed accuracy, please see pressure range table) | 685(Ex)-02 : 0.02% of full span | 685(Ex)-05 : 0.05% of full span | 685(Ex)-RD: 0% to 20% of Range: 0.02% of full span, 20% to 110% of Range: 0.1% of reading, Vacuum: 0.25% of full span [1][2] | Barometric Accuracy (Built-in barometer) | 50Pa | Gauge Types | Gauge pressure, compound pressure, absolute pressure, differential pressure and barometric pressure | Display | Touch screen (3.4'' FSTN segment capacitive) - 5 1/2 full digits | Screen protector: tempered glass film (replaceable) | Display rate: 3 readings per second (default setting). Adjustable from 10 readings per second to 1 reading every 20 seconds | Pressure Units | Pa, kPa, MPa, psi, bar, mbar, kgf/cm2, inH2O, mmH2O, inHg, mmHg and 3 customized unit | Environmental | Compensated Temperature: 14°F to 122°F (-10°C to 50°C) | Operating Temperature: 14°F to 122°F (-10°C to 50°C) | Storage Temperature: -4°F to 158°F (-20°C to 70°C) | Humidity: 0 - 95%, Non-condensing | Pressure Port | ≤15,000 psi: 1/4NPT male, 1/2NPT male, 1/4BSP male, 1/2BSP male, M20×1.5 male | >15,000 psi: 1/4HP female or 1/4HP male, *1/4HP female: Autoclave F-250-C, 9/16" - 18 UNF-2B, *1/4HP male: Autoclave M-250-C, 9/16" - 18 UNF-2A | Differential Pressure: Barb fitting | Other connections available per request | Power | Battery: Three AA alkaline batteries (included) | Battery life: 1500 hours typical | Power auto-off: user selectable | External power: 110/220 V adapter (5 VDC) (optional, excl ADT685Ex) | Enclosure | Case material: 304 SS | Wetted parts: 316 SS[3] | Dimensions: 4.65" (118mm) width X 1.77" (42mm) depth X 7.01" (178mm) height | Weight: 1.50 lbs. (0.68 kg) | Compliance | Protection Level: IP67 | Vibration: 5 g (10-500 Hz) | Shock Resistance: 8 g/11 ms | CE | Data Logging (Available on with data logging tion ADT685-...-DL) | Data storage: 10,000,000 records | Rate: user selectable from 0.1 to 9999.9 second intervals | Communication | USB Type-C and Bluetooth included RS-232 or RS-485 [4] (optional) | 4 - 20 mA Output[4] | 3.2 μA | Warranty | 1 year | [1] FS = -14.5 psi | [2] Applicable ADT685-RD-CPX | [3] Wetted parts material types may vary by pressure range. Please refer to manual for more information. | [4] 4-20mA output and RS-485 not available in ADT685Ex models. |
Gauge Pressure [1] | P/N | Pressure Range | Media [2] | Accuracy | Burst Pressure | (psi) | (bar) | %FS | %RD | V15 | -15 | -1 | G | 0.02 (0.05) | N/A | 3× | GP2 | 2 | 0.16 | G, L | 0.05 | N/A | 3× | GP5 | 5 | 0.35 | G, L | 0.05 | 0.1 | 3× | GP10 | 10 | 0.7 | G, L[3] | 0.02 (0.05) | 0.1 | 3× | GP15 | 15 | 1 | G, L[3] | 0.02 (0.05) | 0.1 | 3× | GP30 | 30 | 2 | G, L[3] | 0.02 (0.05) | 0.1 | 3× | GP50 | 50 | 3.5 | G, L | 0.02 (0.05) | 0.1 | 3× | GP100 | 100 | 7 | G, L | 0.02 (0.05) | 0.1 | 3× | GP150 | 150 | 10 | G, L | 0.02 (0.05) | 0.1 | 3× | GP300 | 300 | 20 | G, L | 0.02 (0.05) | 0.1 | 3× | GP500 | 500 | 35 | G, L | 0.02 (0.05) | 0.1 | 3× | GP600 | 600 | 40 | G, L | 0.02 (0.05) | 0.1 | 3× | GP1K | 1000 | 70 | G, L | 0.02 (0.05) | 0.1 | 3× | GP1.5K | 1500 | 100 | G, L | 0.02 (0.05) | 0.1 | 3× | GP2K | 2000 | 140 | G, L | 0.02 (0.05) | 0.1 | 3× | GP3K | 3000 | 200 | G, L | 0.02 (0.05) | 0.1 | 3× | GP5K | 5000 | 350 | G, L | 0.02 (0.05) | 0.1 | 3× | GP10K | 10000 | 700 | G, L | 0.02 (0.05) | 0.1 | 3× | GP15K | 15000 | 1000 | G, L | 0.05 (0.1) | 0.1 | 1.5× | GP20K | 20000 | 1400 | G, L | 0.05 (0.1) | N/A | 1.5× | GP25K | 25000 | 1600 | G, L | 0.05 (0.1) | N/A | 1.5× | GP30K | 30000 | 2000 | G, L | 0.05 (0.1) | N/A | 1.5× | GP36K | 36000 | 2500 | G, L | 0.05 (0.1) | N/A | 1.5× | GP40K | 40000 | 2800 | G, L | 0.05 (0.1) | N/A | 1.35× | GP50K | 50000 | 3500 | G, L | 0.1 (0.2) | N/A | 1.2× | GP60K | 60000 | 4200 | G, L | 0.1 (0.2) | N/A | 1.1× | [1] Sealed gauge pressure for above 1,000 psi | [2] G=Gas, L=Liquid | [3] 0.02% FS for gas media only |
Barometric Pressure | P/N | Pressure Range | Media | Accuracy | Burst Pressure | Low | High | BP | 60 kPa | 110 kPa | G | 40 Pa | 3× |
Absolute Pressure | P/N | Pressure Range | Media [1] | Accuracy (%FS) | Burst Pressure | (psi) | (bar) | AP5 | 5 | 0.35 | G, L | 0.1 | 3× | AP10 | 10 | 0.7 | G, L | 0.1 | 3× | AP15 | 15 | 1 | G, L | 0.1 | 3× | AP30 | 30 | 2 | G, L | 0.1 | 3× | AP50 | 50 | 3.5 | G, L | 0.1 | 3× | AP100 | 100 | 7 | G, L | 0.05 (0.1) | 3× | AP300 | 300 | 20 | G, L | 0.05 (0.1) | 3× | AP500 | 500 | 35 | G, L | 0.05 (0.1) | 3× | AP1K | 1000 | 70 | G, L | 0.05 (0.1) | 3× | AP3K | 3000 | 200 | G, L | 0.05 (0.1) | 3× | AP5K | 5000 | 350 | G, L | 0.05 (0.1) | 3× | [1] G=Gas, L=Liquid |
Differential Pressure | P/N | Pressure Range | Media | Accuracy (%FS) [1] | Burst Pressure | Static Pressure Range | (inH2O) | (mbar) | DP1 | ±1 | ±2.5 | G | 0.05[2] | 100× | ±10 psi | DP2 | ±2 | ±5.0 | G | 0.05[2] | 100× | ±10 psi | DP5 | ±5 | ±10 | G | 0.05[2] | 50× | ±10 psi | DP10 | ±10 | ±25 | G | 0.05[2] | 20× | ±10 psi | DP20 | ±20 | ±50 | G | 0.05 | 20× | ±10 psi | DP30 | ±30 | ±75 | G | 0.05 | 20× | ±10 psi | DP50 | ±50 | ±125 | G | 0.05 | 3× | ±10 psi | DP100 | ±100 | ±250 | G | 0.02 | 3× | ±15 psi | DP150 | ±150 | ±350 | G | 0.02 | 3× | 50 psi | DP300 | ±300 | ±700 | G | 0.02 | 3× | 50 psi |
Compound Pressure | P/N | Pressure Range | Media [1] | Accuracy | Burst Pressure | (psi) | (bar) | %FS[2] | %RD | CP2 | ±2 | ±0.16 | G | 0.05 | N/A | 3× | CP5 | ±5 | ±0.35 | G | 0.02 (0.05) | 0.1 | 3× | CP10 | ±10 | ±0.7 | G | 0.02 (0.05) | 0.1 | 3× | CP15 | ±15 | ±1 | G | 0.02 (0.05) | 0.1 | 3× | CP30 | -15 to 30 | -1 to 2 | G | 0.02 (0.05) | 0.1 | 3× | CP100 | -15 to 100 | -1 to 7 | G, L | 0.02 (0.05) | 0.1 | 3× | CP300 | -15 to 300 | -1 to 20 | G, L | 0.02 (0.05) | 0.1 | 3× | CP500 | -15 to 500 | -1 to 35 | G, L | 0.02 (0.05) | 0.1 | 3× | CP600 | -15 to 600 | -1 to 40 | G, L | 0.02 (0.05) | 0.1 | 3× | CP1K | -15 to 1000 | -1 to 70 | G, L | 0.02 (0.05) | 0.1 | 3× | [1] G=Gas, L=Liquid | [2] FS specification applies to the span of the range |
Communication Types Supported | Communication Type | ADT685 | ADT685Ex | RS232 | ○ | ○ | RS485 | ○ | ○ | Wifi | | | USB | ● | ● | Bluetooth (BLE) | ● | ● | ● Included ○ Optional |
Additel Software Compatability Matrix | Communication Type | ADT685/ADT685Ex | ACal | LogII | Land | Link | RS232 | ● | ● | ● | | RS485 | ● | ● | ● | | Wifi | | | | | USB | ● | ● | ● | | Bluetooth (BLE) | | | | ● | ● Supported |
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