Extech PH90 pH Meter, 0.01 pH Accuracy, 0.01 pH Resolution, 14 pH Max, 90 °C Max

RS Stock No.:: 100-071
Distrelec Article No.:: 300-87-610
Mfr. Part No.:: PH90
Brand:: Extech

Extech PH90 pH Meter, 0.01 pH Accuracy, 0.01 pH Resolution, 14 pH Max, 90 °C Max

Subtotal (1 unit)*

£104.00

(exc. VAT)

£124.80

(inc. VAT)

FREE delivery for orders over £60.00

In Stock

7 unit(s) ready to ship
Plus 7 unit(s) shipping from 14 May 2026

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per unit
1 +	£104.00

*price indicative

RS Stock No.:: 100-071
Distrelec Article No.:: 300-87-610
Mfr. Part No.:: PH90
Brand:: Extech

Specifications

Technical Reference

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Extech
	Maximum pH Measurement	14pH
	Product Type	pH Meter
	pH Resolution	0.01pH
	pH Accuracy	0.01 pH
	Maximum Temperature Measurement	90°C
	Minimum Operating Temperature	0°C
	Minimum pH Measurement	0pH
	Maximum Operating Temperature	90°C
	Standards/Approvals	IP57, RoHS, CE
	Height	36mm
	Length	170mm
	Model Number	PH90
	Power Source	3 V Battery
	Width	36mm
	Battery Type	CR2032
	Weight	85g

	Select all
	Brand Extech
	Maximum pH Measurement 14pH
	Product Type pH Meter
	pH Resolution 0.01pH
	pH Accuracy 0.01 pH
	Maximum Temperature Measurement 90°C
	Minimum Operating Temperature 0°C
	Minimum pH Measurement 0pH
	Maximum Operating Temperature 90°C
	Standards/Approvals IP57, RoHS, CE
	Height 36mm
	Length 170mm
	Model Number PH90
	Power Source 3 V Battery
	Width 36mm
	Battery Type CR2032
	Weight 85g

COO (Country of Origin):: TW

The FLIR Waterproof pH Meter is a rugged and reliable tool for measuring pH in liquids, semi-solids, and solids. With a waterproof design (IP57) and a replaceable flat surface electrode, this pH meter is perfect for field or lab use. It features simultaneous display of pH and temperature, automatic temperature compensation, and PTS for electrode replacement indication. Complete with necessary accessories, this meter is a versatile solution for various industries.

Rugged waterproof (IP57) housing protects the meter in wet environments

Replaceable flat surface pH electrode for quick on-the-spot measurements

Automatic recognition of buffer solutions for easy calibration

PTS (percent of slope) indicator for timely electrode replacement

Automatic Temperature Compensation ensures accurate readings

Data Hold, Min/Max, Auto Power Off, and low battery indication for user convenience