Compass Series · INTRINSICALLY SAFEConnected

Compass Pro IS Intrinsically Safe Voltage Detector

Full connected capability, approved for classified areas.

The intrinsically safe voltage detector. UL, CSA, and IEC 60079 approvals for flammable gas and vapor atmospheres, with the same voltage coverage, adaptive alerting, and emergency escalation as Compass Pro.

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Approvals
Class I, Div 1, Group D (T3); UL, CSA, ATEX, IECEx
Typical battery life
About 2 days (16+ hours of use)
Operating temperature
-20 °C to 50 °C
Weight
1.02 oz (29 g)

Compass Pro IS voltage coverage

Voltage coverage

Compass Pro IS detects 120 V – 500 kV AC on a single sensitivity scale, with no separate voltage ranges to select.

Coverage matches Compass Pro. Pro IS uses settings 1–21 of the same scale.

Where Compass Pro IS fits

If any part of the job sits inside a classified area, whether refinery units, well pads, tank farms, or chemical process areas, the device on the hard hat has to be approved for it. Pro IS exists so crews keep detection through the fence line instead of carrying a second tool.

Compass Pro IS intrinsically safe voltage and current detection device, light bar alerting on voltage
  1. LED bar, shown alerting on voltage
  2. Hard hat brim clip
  3. SOS button
  4. USB charge port

What Compass Pro IS does

Approved for flammable atmospheres

Carries UL, CSA, and IEC 60079 intrinsic safety approvals. The Compass Pro IS Annex governs hazardous-location use.

120 V to 500 kV, one scale

The same coverage as Compass Pro, using settings 1–21 of the same scale.

Direction, not just proximity

The corner LEDs sweep toward the source, then both ends of the bar flash once the worker is facing it, accurate to roughly ±20°.

Emergency events and SOS

Impacts, falls above 6 ft (1.8 m), and arc flash raise an event automatically, with 30 seconds for the worker to cancel a false alarm. Holding SOS for 3 seconds raises one manually.

One hardware generation

Every unit is V5+, so the whole fleet uses second-generation tuning. There is no V4 population to reconcile.

Compass Pro IS specifications

Compass Series is intended as a secondary voltage detection method only. It supplements, and never replaces, a qualified electrical safety program, permits, lockout/tagout, and PPE. Always test against a known voltage and current source before field use.

Detection ranges and sensitivity

Voltage coverage120 V AC – 500 kV AC
Sensitivity scaleSettings 1–21 of the 22-setting scale
Adaptive modesSmart Adaptive and Work Zone Adaptive
  • Voltage and current are configured separately. Voltage runs settings 1 to 21 and current runs 11. Both support the adaptive modes and Alert Disable.
  • A setting means the same thing on every connected device, so Pro and Pro IS readings can be compared directly.
  • Sensitivity can be changed on the device with the MAIN button or in Navigator Mobile.
  • Max Alert distance is approximately 60% of First Alert distance. A First Alert at 10 ft (3.0 m) corresponds to a Max Alert near 6 ft (1.8 m).
  • All Compass Pro IS units are V5+ and use second-generation tuning.

Detection is affected by extreme humidity, materials that shield electromagnetic fields, brisk walking speed, and three-phase systems that can cancel fields in certain areas. Warning distances also vary with the conductor’s exposed surface area, its elevation above ground, and its proximity to other grounded conductive objects.

Hardware and performance

Enclosure3.0 in × 1.4 in × 0.9 in, IP-67
Weight1.02 oz (29 g)
Operating temperature-20 °C to 50 °C
BatteryLi-ion 3.7 V / 85 mAh
Typical battery lifeAbout 2 days (16+ hours of use)
Charge time~1.5 hours from a 5 V / 0.5 A USB source
Charging temperature0 °C to 45 °C
Voltage coverage120 V – 500 kV AC, no range selection
Voltage sensitivitySettings 1–21 of the 22-setting scale
Current sensitivity11 settings, plus adaptive modes and Alert Disable
Division markingClass I, Division 1, Group D, 136 °C (T3); Class I, Division 2, Groups C and D, 136 °C (T3)
Zone markingClass I, Zone 0, AEx ia IIA 136 °C (T3) Ga; Class I, Zone 2, AEx ic IIB 136 °C (T3) Gc
ATEX and IECEx markingII 1 G Ex ia IIA 136 °C (T3) Ga; II 3 G Ex ic IIB 136 °C (T3) Gc
Ambient temperature range-20 °C ≤ ta ≤ +50 °C
Entity parametersUm 5.3 V, Isc 800 mA
Hazardous location approvalsUL, CSA, and IEC 60079-0 and 60079-11
Adaptive modesWork Zone Adaptive and Smart Adaptive
Directional accuracyApproximately ±20° to a point source
Emergency eventsImpact, fall (above 6 ft / 1.8 m), arc flash, SOS (3-second hold). Worker-down escalation after an event.
Hardware versionAll units V5+
ConnectivityBluetooth to Navigator Mobile
MountingHard hat brim (primary); approved adapters only in classified areas

Hazardous-location approvals

  • UL 60079-0:2019, Explosive atmospheres: equipment general requirements
  • UL 60079-11:2013, Explosive atmospheres: equipment protection by intrinsic safety
  • UL 61010-1:2012, Safety requirements for electrical measurement, control, and laboratory equipment
  • CSA C22.2 No. 60079-0:2019
  • CSA C22.2 No. 60079-11:2014
  • CSA C22.2 No. 61010-1-12:2012
  • IEC 60079-0:2017
  • IEC 60079-11:2023
  • Certificate ETL25CA106086017X
  • Certificates ETL25ATEX0591X and ETL25ATEX0606X (ATEX)
  • Certificate IECEx ETL 25.0044X (IECEx)
  • cETLus Listed

The Compass Pro IS Annex is the authoritative document for hazardous-location use, including area classification, temperature class, and permitted accessories. Consult it before deploying into a classified area.

Part numbers

Part numberDescription
M01023Compass Pro IS kit, 60 Hz
M01024Compass Pro IS kit, 50 Hz

Compass Pro IS ships as a kit in 50 Hz and 60 Hz variants. Match the SKU to your grid frequency. Frequency is built into the detection tuning and is not a field-changeable setting.

Fits how your crews already work.

Hard hat brim as standard. In classified areas, use only the adapters listed in the Compass Pro IS Annex.

View Accessory List

Compass Pro IS questions, answered

Is Compass Pro IS intrinsically safe certified?

Yes. Compass Pro IS is marked Class I, Division 1, Group D, 136 °C (T3) and Class I, Zone 0, AEx ia IIA 136 °C (T3) Ga, with Division 2 and Zone 2 markings for Groups C and D. It carries UL 60079-0, 60079-11, and 61010-1; CSA C22.2 No. 60079-0, No. 60079-11, and No. 61010-1-12; and IEC 60079-0 and 60079-11, under ATEX and IECEx certificates. The Compass Pro IS Annex is the authoritative document for hazardous-location use.

How is Compass Pro IS different from Compass Pro?

Pro IS adds the hazardous-location approvals. In exchange, the battery is a smaller 85 mAh Li-ion cell rated for 16+ hours rather than 48+, the maximum operating temperature is 50 °C rather than 60 °C, and the sensitivity scale tops out at setting 21. Voltage coverage, alerting, and emergency events otherwise match.

How long does the Compass Pro IS battery last?

The 3.7 V / 85 mAh Li-ion cell runs about two days (16+ hours of use) per charge and recharges to full in about 1.5 hours. The smaller cell is a consequence of the intrinsic safety design, so plan charging into the shift routine.

Can Compass Pro IS detect the same voltages as Compass Pro?

Yes. Pro IS covers the same 120 V AC to 500 kV AC span on the same 22-setting scale. The only detection difference is that Pro IS tops out at setting 21.

Do all Compass Pro IS units use the newer high voltage tuning?

Yes. All Compass Pro IS units are V5+, so every unit uses second-generation tuning with extended detection distances at the top of the voltage span. Unlike Compass Pro, there is no earlier V4 population in the field.

Which Compass Pro IS part number should I order?

Order M01023 for 60 Hz systems and M01024 for 50 Hz systems. Grid frequency is built into the detection tuning, so it cannot be changed in the field.

Documentation

Compare Compass Pro IS with the other models

01

Compass G2

AWARENESSStandalone

Essential worker-level detection with proximity and directional alerting.

View Compass G202

Compass Core

BASELINEConnected

Full-range coverage with the fewest settings to manage.

View Compass Core03

Compass Pro

ADAPTIVEConnected

Full voltage span on one scale, adaptive alerting, and emergency escalation.

View Compass Pro
See the full comparison table

See how the Compass Series fits your crews.

Request a walkthrough and we'll show how Compass G2, Compass Core, Compass Pro, and Compass Pro IS scale from essential awareness to full connected safety in flammable environments, tailored to your crews and field conditions.

  • A live walkthrough of Compass hardware and the Navigator platform
  • Guidance on the right Compass model per crew and environment
  • Straight answers on deployment, device management, and support
  • No pressure, just a conversation with a Safeguard safety specialist

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Email sales@safeguardequipment.com or call 208-773-9263.

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