Elcometer 331 Model BH Concrete Covermeter

This easy to use gauge not only quickly and accurately identifies the location, oreintation and depth of rebar, but also the potential for corrosion.

Designed to meet IP65 this all-in-one rugged waterproof gauge can be used in the harshest of environments.

Fast and accurate:
- Locate and determine orientation of rebar quickly, easily & accurately.
Corrosion check:
- Check for potential corrosion of rebar using the same gauge.
Large, easy to read backlit display:
- For use in dark environments
Interchangeable search heads and Half-Cell kits:
- Select from standard search head, narrow pitch search head, deep cover search head, borehole probe, Copper Half-Cell Kit and Silver Half-Cell Kit.
Single handed operation:
- Most functions can be accessed & controlled through 4 simple keys.
Intuitive menus in multiple languages:
- Allows use straight out of the box
International bar sizes:
- User selectable bar sizes include metric, US Bar Numbers, ASTM/Canadian and Japanese for use anywhere in the world.
Rechargeable battery supply:
- Battery packs can be charged inside or outside the gauge.
Ergonomically shaped case:
- For ease of use and comfort, with a gentle curve to fit snugly against the hip.

Elcometer 331² Gauges
Part Number	Description
W331B---*	Elcometer 331² Model B Covermeter (Supplied complete with Standard Search Head)
W331BH--*	Elcometer 331² Model BH Covermeter with Half-Cell (Order search heads or Half-Cell probes separately)
W331SH--*	Elcometer 331² Model SH Covermeter with Half-Cell (Order search heads or Half-Cell probes separately)
W331TH--*	Elcometer 331² Model TH Covermeter with Half-Cell (Order search heads or Half-Cell probes separately)
W331THD-*	Elcometer 331² Model THD Covermeter with Half-Cell (Order search heads or Half-Cell probes separately)
Replace * with 1, 2 or 3 to complete part number. 1 = 240V UK, 2 = 220V Euro, 3 = 110V US

Elcometer 331²Search Heads & Half-Cell
TW33119124-1A	Elcometer 331²Standard Search Head
TW33119124-2A	Elcometer 331²Narrow Pitch Seach Head
TW33119171A	Elcometer 331² Deep Cover Search Head
TW33119223-1A	Elcometer 331² Borehole Probe 0 -40cm
TW33119223-2A	Elcometer 331²Borehole Probe 0 - 100cm
TW33119223-3A	Elcometer 331²Borehole Probe 0 - 16"
TW33119223-4A	Elcometer 331²Borehole Probe 0 40"
TW331CUKIT	Elcometer 331²Half Cell Probe Kit Cu/CuSO₄(Cannot be used with Model B)
TW331AGKIT	Elcometer 331²Half Cell Probe Kit Ag/AgCl (Cannot be used with Model B)
TW33119688-1	Elcometer 331²Half Cell Probe Cu/CuSO₄(Cannot be used with Model B)
TW33119688-2	Elcometer 331²Half Cell Probe Ag/AgCl (Cannot be used with Model B)
TW33120014D	Elcometer 331²High Tensile and Stainless Steel Dual search head (Can only be used with the Model THD)

	Elcometer 331 Models
Description	B	BH	SH	TH	THD
Covermeter / Rebar location
Half Cell measurement
Rebar orientation
Depth of cover
Large cover (thickness) reading mm or inches
Large graphics display with backlight
Multiple language menu structure
signal strength bar
Interchangeable heads with LED & keypad
User selectable bar range sizes & numbers
Rugged waterproof case (IP65)
Adjustable beep volume & earphone socket
Measurement sound modes
Locate (tone increases as head approaches rebar)
Under Cover (tone only sound for low cover)
Maxpip (tone only as head passes rebar centre)
Half Cell capability
Large half cell reading mV
Autosize mode bar diameter determination
Orthogonal mode bar diameter determination
RS232 Output – direct to printer or PC
EDTS Excel link software
Covermaster software
Statistics
Minimum & maximum cover limits
Date & time
Memory
Linear batch memory			10 Linear batches of 1,000 readings each	Up to 200 batches of 1,000 readings	Up to 200 batches of 1,000 readings
Grid batch memory				Up to 240,000 readings	Up to 240,000 readings
User certified batch size
Graphics Plot
Threshold plot
Stainless Steel measurement mode
Bar dimension range	Click Here for a range of Bar Dimensions
Rechargeable power supply	7.4V lithium ion battery pack provides up to 32 hours of continuous use (20 hrs if backlight is on). Rechargeable in 4 hours either inside or outside the gauge using an external charger.
Maximum operating temperature	50°C / 122°F
Unit dimensions	230 x 130 x 125mm / 9 x 5.1 x 4.9"
Unit weight	1.54kg / 3.4lbs

Standard Search Head
Cover Range	40mm / 1.6" bar	15mm to 95mm / 0.6" to 3.75"
8mm (0.3”) bar	8mm to 70mm / 0.3" to 2.75"
Dimensions	155 x 88 x 42mm / 6.1 x 3.5 x 1.65"
Sensing Area	120 x 60mm / 4.72 x 2.36"
Part Number	TW33119124-1A
Description	Designed to meet most of your measurement requirements.

Narrow Pitch Search Head
Cover Range	40mm / 1.6" bar	8mm to 80mm / 0.3" to 3.1"
8mm (0.3”) bar	5mm to 60mm / 0.2" to 2.4"
Dimensions	155 x 88 x 42mm / 6.1 x 3.5 x 1.65"
Sensing Area	120 x 60mm / 4.72 x 2.36"
Part Number	TW33119124-2A
Description	Accurately measures the cover thickness when the gaps between each of the rebars (pitch) are close together.

Deep Cover Search Head
Cover Range	40mm / 1.6" bar	35mm to 180mm / 1.4" to 7"
8mm (0.3”) bar	25mm to 160mm / 1.0" to 6.3"
Dimensions	170 x 94 x 54mm / 6.7 x 3.7 x 2.1"
Sensing Area	160 x 80mm / 6.3 x 3.15"
Part Number	TW33119171A
Description	The ideal search head for accurately measuring rebars that are deep within the structure.

Dual Search Head For High Tensile and Stainless Steel
Cover Range	40mm / 1.6" bar	35mm to 180mm / 1.4" to 7"
8mm (0.3”) bar	25mm to 160mm / 1.0" to 6.3"
Dimensions	170 x 94 x 54mm / 6.7 x 3.7 x 2.1"
Sensing Area	160 x 80mm / 6.3 x 3.15"
Part Number	TW33120014D
Description	The ability to detect high tensile steel and three grades of stainless steel (304, 316 and Duplex). For use with Model THD only.

Borehole Probe
Measurement Depth	Short Probe: 0 - 40cm / 0 - 16" 0 - 100cm / 0 - 40"
Long Probe: 0 - 100cm / 0 - 40"
Approximate Detection Ranges	Tendon duct (70mm / 2.75" diameter: up to 90mm / 3.54"
Reinforcement bar: up to 60mm / 2.36"
Sensing Area	160 x 80mm / 6.3 x 3.15"
Part Number	Short Metric - TW33119223-1A	Long Metric- TW33119223-2A
Short Imperial - TW33119223-3A	Long Imperial - TW33119223-4A
Description	The solution for locating tendon ducts and multiple layers of rebar lying deep within the concrete.

Extension Arm
Cover Range	40mm / 1.6" bar	15mm to 95mm / 0.6" to 3.75"
8mm (0.3”) bar	8mm to 70mm / 0.3" to 2.4"
Dimensions	155 x 88 x 42mm / 6.1 x 3.5 x 1.65"
Sensing Area	120 x 60mm / 4.72 x 2.36"
Part Number	TW33119222
Description	This kit allows the user to scan bridge decks and floor areas from a standing position. It can be connected to either the standard or narrow pitch search heads.

Half Cell Probe Kit
Part Number	Cu/CuSO4: TW331CUKIT	Ag/AgCl: TW331AGKIT
Description	Consisting of either a copper electrode in a copper sulphate solution (Cu/CuSO4) or a silver electrode in a silver chloride solution (Ag/AgCl), each Half-Cell is a sealed unit so there is no need to mix chemicals on site. Supplied with a 25m (80ft) cable, every Half-Cell Kit is guaranteed for 5 years.

Elcometer 331 Model BH Concrete Covermeter

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