Humboldt Manufacturing - Testing Equipment for Construction Materials

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General Lab

pH Meters for Soil Analysis

EcoTestr™ pH2

Simple, single line display with ±0.1% pH, full-scale accuracy. Push button calibration with hold function and auto shut-off make this unit easy to use. Automatic temperature compensation provides accurate readings even in fluctuating temperatures. Waterproof, dustproof housing. Includes Tester, integral sensor and batteries.

Range: -1.0 to 15.0 pH
Resolution: 0.1 pH
Accuracy: ±0.1 pH
Calibration: Three-point, automatic (4.0, 7.0 or 10.0)
Shpg. Wt.: 6 oz. (170g)

$59.95 Add to Order

EcoTestr™ pH2— H-4381A

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pHTestr®[ (pH only)]

Provides 3-point calibration and ±0.01% accuracy. Double-
junction electrode provides longer electrode life. Replaceable electrodes. Push-button calibration with auto-buffer recognition. Compact, hand-held design. Waterproof, dustproof housing. Includes Tester, detachable sensor and batteries.

Range: -1.00 to 15.00 pH
Resolution: 0.01 pH
Accuracy: ±0.01 pH
Calibration: Three-point at either (USA 4.01, 7.0 or 10.0), (NIST 4.01, 6.86 or 9.18)
Shpg. Wt.: 4.5 oz. (125g)

$98.00 Add to Order

pHTestr®[ (pH only)]— H-4370

pHTestr® (pH and Temperature)

Provides 3-point calibration and ±0.01% accuracy. Double-
junction electrode provides longer electrode life. Replaceable electrodes. Push-button calibration with auto-buffer recognition. Compact, hand-held design. Waterproof, dustproof housing. Includes Tester, detachable sensor and batteries.

pH Range: -1.00 to 15.00 pH
Temperature Range: Temperature range: 32 to 122°F (0 to 50°C)
Resolution: 0.01 pH
Accuracy: ±0.01 pH
Calibration: Three-point at either (USA 4.01, 7.0 or 10.0), (NIST 4.01, 6.86 or 9.18)
Shpg. Wt.: 4.5 oz. (125g)

$109.00 Add to Order

pHTestr® (pH and Temperature)— H-4371

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phTestr® 10 BNC

Use any pH electrode with BNC connector. Provides 3-point, push-button calibration and ±0.01% accuracy. Microprocessor-based functions for fast, stable readings. Hold function, auto-off and Error messages.Waterproof, dustproof housing. Includes Tester and batteries.

Range: -1.00 to 15.00 pH
Resolution: 0.01 pH
Accuracy: ±0.01 pH (meter only)
Calibration: Three-point at either (USA 4.01, 7.0 or 10.0), (NIST 4.01, 6.86 or 9.18)
Shpg. Wt.: 6 oz. (170g)

$101.50 Add to Order

phTestr® 10 BNC— H-4373

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pH/mV Temp Meter

Measurements in both pH and mV, as well as temperature. Use U.S. or NIST buffer sets with auto buffer recognition. Store up to 50 readings. Ready indicator and hold function. Power with batteries or optional AC adapter. Use with most electrodes with BNC connector. Includes Meter, all-in-one pH/Temp probe, electrode holders and batteries.

Range: -2.00 to 16.00 pH
Resolution: 0.01 pH
Accuracy: ±0.01 pH
Calibration" Up to 5 buffer values
Temperature Range: -10.0 to 110.0°C
Shpg. Wt.: 1.4 lb (0.7kg)

$334.00 Add to Order

pH/mV Temp Meter— H-4383

Accessories / Replacement Parts

$110.00 Add to Order

Replacement "All-in-One" Electrode for H-4383— H-4383.1