Additel 681A

Digital Pressure Gauge

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Additel’s 681A Series Digital Pressure Gauges are designed to be your favorite tool for a wide range of pressure measurement and calibration applications.

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Additel’s 681A Series Digital Pressure Gauges are designed to be your favorite tool for a wide range of pressure measurement and calibration applications. With features such as datalogging and Bluetooth technology included, you will find these gauges to be high in value at a reasonable cost. These durable IP67 rated gauges have been built with outdoor elements in mind and are the perfect fit for field work as well as in the laboratory. If you are working in an intrinsically sensitive area, look to our Ex-versions of this amazing digital pressure gauge to provide that extra level of safety in sensitive areas.

Durable

The model ADT681A has been built with the finest materials to ensure that it can hold up the elements. Everything from the stainless steel outer shell to the innermost sensor design have been optimized to ensure that this gauge will keep you informed with on-demand and logged pressure readings for years to come. The IP67 rating ensures that dusty and wet environments won’t hamper this gauges ability to perform while the shock and vibration resistance (5g vibration 10g shock) coupled with the corrosion resistant wetted parts help to protect the inner workings of these durable Additel gauges.

Easy-To-Use

Technicians often have tight schedules and heavy workloads, which leaves little extra time for correcting mistakes or doing rework. The ADT681A solves this problem with carefully designed button functions and menus that are smooth and easy to use which saves on valuable time. The display is clear in bright sunlight, and the backlight can be turned on with a one-button press for use in low light situations. The pressure value can be displayed in large fonts and can be read from a few meters away, making this gauge the perfect device for no-nonsense measurement, calibration and verification work.

Easy To Maintain

The ADT681A is designed with membrane buttons, making them easy to clean and maintain over time, which can simply be wiped clean for quick and simple cleaning. Coupled with the extra-long battery life of these easy-to-use gauges, you will find that maintenance is minimal and infrequent.

*Gauge Pressure [1]*
	Pressure Range		Media^[3]	Annual Accuracy		Burst Pressure
	(psi)	(bar)	Media^[3]	%FS	%RD[4]
V15^[2]	-15	-1.0	G	0.01,0.02	N/A	3×
V15^[2]	-15	-1.0	G, L	0.05	N/A	3×
GP2	2	0.16	G	0.01,0.02,0.05	N/A	3×
GP5	5	0.35	G, L[5]	0.01,0.02,0.05	0.1	3×
GP10	10	0.7	G, L[5]	0.01,0.02,0.05	0.1	3×
GP15	15	1.0	G, L[5]	0.01,0.02,0.05	0.1	3×
GP30	30	2.0	G, L	0.01,0.02,0.05	0.1	3×
GP50	50	3.5	G, L	0.01,0.02,0.05	0.1	3×
GP100	100	7.0	G, L	0.01,0.02,0.05	0.1	3×
GP150	150	10	G, L	0.01,0.02,0.05	0.1	3×
GP300	300	20	G, L	0.01,0.02,0.05	0.1	3×
GP500	500	35	G, L	0.01,0.02,0.05	0.1	3×
GP600	600	40	G, L	0.01,0.02,0.05	0.1	3×
GP1K	1,000	70	G, L	0.01,0.02,0.05	0.1	3×
GP1.5K	1,500	100	G, L	0.01,0.02,0.05	0.1	3×
GP2K	2,000	140	G, L	0.01,0.02,0.05	0.1	3×
GP3K	3,000	200	G, L	0.01,0.02,0.05	0.1	3×
GP5K	5,000	350	G, L	0.01,0.02,0.05	0.1	3×
GP10K	10,000	700	G, L	0.01,0.02,0.05	0.1	1.5×
GP15K	15,000	1,000	G, L	0.01,0.02,0.05	0.1	1.5×
GP20K	20,000	1,400	G, L	0.05 (0.1)	N/A	1.3×
GP25K	2,000	1,600	G, L	0.05 (0.1)	N/A	1.2×
GP30K	30,000	2,000	G, L	0.05 (0.1)	N/A	1.5×
GP36K	36,000	2,500	G, L	0.05 (0.1)	N/A	1.5×
GP40K	40,000	2,800	G, L	0.05 (0.1)	N/A	1.35×
GP50K	50,000	3,500	G, L	0.1 (0.2)	N/A	1.2×
GP60K	60,000	4,200	G, L	0.1 (0.2)	N/A	1.1×

[1] Sealed gauge pressure for above 1,000 psi
[2] Vacuum range is (-15~0) psi
[3] G=Gas, L=Liquid
[4] %RD accuracy: 0% to 20% of range: ± (0.02% of full span), 20% to 110% of range: ± (0.1% of reading), vacuum: ± (0.25% of FS), FS=-14.5psi
[5]0.01%FS,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	±55Pa	3×
BPH	60 kPa	110 kPa	G	±22Pa	3x

[1] G=Gas

*Compound* *Pressure*
	Pressure Range		Media^[1]	Accuracy		Burst Pressure
	(psi)	(bar)	Media^[1]	%FS[3]	%RD[4]	Burst Pressure
CP2	±2	±0.16	G, L[2]	0.01,0.02,0.05	N/A	3×
CP5	±5	±0.35	G, L[2]	0.01,0.02,0.05	0.1	3×
CP10	±10	±0.7	G, L[2]	0.01,0.02,0.05	0.1	3×
CP15	±15	±1.0	G, L[2]	0.01,0.02,0.05	0.1	3×
CP30	-15~30	-1~2.0	G, L	0.01,0.02,0.05	0.1	3×
CP50	-15~50	-1~3.5	G, L	0.01,0.02,0.05	0.1	3×
CP100	-15~100	-1~7.0	G, L	0.01,0.02,0.05	0.1	3×
CP150	-15~150	-1~10	G, L	0.01,0.02,0.05	0.1	3×
CP300	-15~300	-1~20	G, L	0.01,0.02,0.05	0.1	3×
CP500	-15~500	-1~35	G, L	0.01,0.02,0.05	N/A	3×
CP600	-15~600	-1~40	G, L	0.01,0.02,0.05	N/A	3×
CP1K	-15~1000	-1~70	G, L	0.01,0.02,0.05	N/A	3×

Compound Pressure

G=Gas, L=Liquid
0.01%FS, 0.02%FS for gas media only
FS = upper limit of range - lower limit of range
%RD accuracy: 0% to 20% of range: ± (0.02% of full span)
20% to 110% of range: ± (0.1% of reading)
vacuum: ± (0.25% of FS), FS=-14.5psi

Differential Pressure
P/N	Pressure Range		Media^[1]	Accuracy (%FS)^[3]	Burst Pressure	Static Pressure Range
P/N	(inH2O)	(mbar)	Media^[1]	Accuracy (%FS)^[3]	Burst Pressure	Static Pressure Range
DP1	±1	±2.5	G	0.05^[2]	50×	±250
DP2	±2	±5.0	G	0.05^[2]	25×	±250
DP5	±5	±10	G	0.05	10×	±250
DP10	±10	±25	G	0.05	5×	±250
DP20	±20	±50	G	0.05	25×	±2,500
DP30	±30	±75	G	0.05	15×	±2,500
DP50	±50	±125	G	0.05	10×	±2,500
DP100	±100	±250	G	0.02	5×	±2,500
DP150	±150	±350	G	0.02	10×	±7,000
DP300	±300	±700	G	0.02	5×	±7,000

[1] G=gas
[2] Calibration interval: 180 days
[3] FS = upper limit of range - lower limit of range

Documents and Links

Additel 681A Digital Pressure Gauges Datasheet

Quick Start Guide for Additel 681A

Additel 681A and 681AEx User Manual

Software and Firmware

Name Version Upload Date Size

Additel 681A Firmware Update Package

3.0.02.03

2024-06-10 31 MB

Software and Firmware
Name	Version	Upload Date	Size
Additel 681A Firmware Update Package	3.0.02.03	2024-06-10	31 MB