DETECTIVE +

The Detective+ is a rugged, water and impact resistant multi-gas monitor for temporary areas. Ideal for use in turnaround/shutdown procedures, hot work maintenance, confined space entry work and many other utility, construction and oil and gas industry applications.

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The Detective+ features a robust and adaptable design with either fixed or folding legs and a protective frame, perfect for when temporary spaces or areas where fixed detectors are impractical.

Available with an optional internal pump for sampling versatility, alarms are announced with an extremely loud sounder, while multiple beacons ensure 360 degree visibility.

The Detective+ can also be equipped with infra-red (IR) sensors, providing higher levels of flammable gas monitoring and carbon dioxide detection. IR sensors also provide immunity to the poisoning effects, which standard flammable gas sensors can be prone to. This extends sensor life and further increases measurement confidence in tough applications, such as water treatment plants and certain chemical or hydrocarbon processing facilities.

The Detective+ can be adapted to use a variety of gas sensors, including hydrogen, to monitor a wide range of gases according to the needs of your space, optimising safety and security.

Rugged design

Fixed or folding legs

Optional internal pump

IR capability

Up to 125 hour battery life

Versatile & User Friendly

Ultra-reliable infrared sensors available for sampling of highly flammable gas levels and carbon dioxide, free from risk of sensor poisoning
Built-in pump option for enhanced sampling versatility
Clear, fuss-free digital display for quick identification of gas hazard

Size	43 x 130 x 84mm (1.7 x 5.1 x 3.3ins)
Weight	309g 4 gas (10.8oz)/ 340g pumped (11.9oz) 333g 5 gas (11.7oz)/ 362g pumped (12.7oz)
Alarms	Audible >95dB @ 30cm (98dB @30cm in loud mode) Visual – all angle dual red/blue LEDs Vibrating alert
Display	Top mount for ease of view with dual colour backlight (green/red)
Data logging	125hr at 10-second intervals (45,000 logs)
Event logging	Alarm, over range, calibration, bump, on/off, TWA, 1000 events
Battery	Rechargeable Li-ion, >14hr (13 hours pumped operation) based on CH₄, O₂, H₂S, CO Typical charge time 7.5hr
Sampling	Internal pump as option
Operating temperature	-20°C to +55°C (-4°F to +131°F)
Storage	-20°C to +65°C (-4°F to +149°F)
Humidity	10 to 95% RH+
Ingress protection	Independently tested to IP65 and IP67
Approvals	IECEx: Ex db ia IIC T4 Gb Tamb -20°C to +55°C ATEX and UKCA: II 2 G Ex db ia IIC T4 Gb Tamb -20°C to +55°C UL: Class 1, Division 1, Groups A, B, C, and D UL 913, UL 60079-0 and UL 60079-11 INMETRO: Ex db ia IIC T4 Gb Tamb -20°C to +55°C Marine Equipment Directive: MED 1500009
Compliance	FCC and CE. Complies with EMC Directive 2014/30/EU, EN50270 and EMC FFC CFR 47 Part 15, ICES-003
Interface	Data connection for gas test solutions and direct to PC
Charging	Direct connection to multi-regional power supply Vehicle charger adaptor Desktop cradle USB power and communications lead
Crowcon Connect Compatible?	Yes

**Toxic and Oxygen sensors RH Specifications vary, consult Crowcon for specific operating humidities.

Required ranges and alarms may vary by country and application and these can be configured as required.

Gas	Range	Typical Alarms
Flammable gas	0-100 LEL	20% LEL
Oxygen (O₂)	0-25%	19% & 23%
Hydrogen sulphide (H₂S)	0-50 ppm	10 ppm
Carbon monoxide (CO)	0-500 ppm	30 ppm
Sulphur dioxide (SO₂)	0-10 ppm	2 ppm
Chlorine (Cl₂)	0-5 ppm	0.5 ppm
Nitrogen dioxide (NO₂)	0-10 ppm	2 ppm
Phosphine (PH₃)	0-5 ppm	0.5 ppm
Ammonia (NH₃)	0-50 ppm	25 ppm
Ammonia (NH₃)	0-1000 ppm	n/a
Hydrogen (non-flammable levels)	0-2000 ppm	n/a
Hydrogen cyanide (HCN)	0-25ppm	10ppm
*Hydrogen chloride (HCl)/+**	0-10 ppm	5ppm
Chlorine dioxide (ClO₂)+	0-1 ppm	0.1 ppm
Hydrogen fluoride (HF)+	0-10 ppm	1 ppm
Ethylene oxide (C₂H₄O)*	0-10 ppm	5 ppm
*Volatile organic/+**	1-100 ppm	n/a

* One biased sensor per Detective+

+ Reactive gas, care required during sampling, contact Crowcon
for details.

Infrared (IR) sensors for flammable gas can be supplied as a single range, 0-100% LEL, utilising a single display channel, or as a dual range, 0-100% LEL/0-100% volume, which then occupies two display channels.

Carbon dioxide sensors are supplied as 0-5% volume. Only one IR sensor can be fitted, and IR sensors can only be used in combination with oxygen and toxic sensors.

Gas	Range	Typical Alarms
Flammable gas	0-100 LEL	20% LEL
Flammable gas	0-100% v/v	None
Available for methane, propane, butane or ethylene
Carbon dioxide (CO₂)	0 to 5% v/v	0.5 and 1.5% v/v

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