Ohaus Starter 400D Portable DO Meter

The Ohaus Starter 400D Portable DO Meter is a practical, affordable, low-maintenance DO portable meter equipped with optical technology - ideal for applications that require simple yet accurate DO measurements.

Optical DO probe requires minimal maintenance and offers immediate measurement readings. No warm-up or sample preparation needed.

Large backlit LCD screen provides easy to read results - even in low light environments. Ideal for secure field use with a meter stand, wrist strap and durable IP54 housing.

The 99-measurement library stores data for future reference and allows for easy one-touch recall of the last calibration data.

Simple calibration process offers quick delivery of measurements, and automatic temperature and barometric pressure compensation ensure accurate results.

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Part Number	Model	Dissolved Oxygen Range	Dissolved Oxygen Resolution	Dissolved Oxygen Accuracy	Includes	Price
30378541	ST400D-B	0.0 to 200.0%; 0.00 to 20.0 mg/L (ppm)	0.1%; 0.01 mg/L( ppm)	±0.2 mg/L (< 8 mg/L) or ±0.3 mg/L (8 to 20 mg/L)	Meter with IP54 Sets, Electrode Clip, Wrist Strap & 4 AAA Batteries	$818.40	Qty:
30378543	ST400D	0.0 to 200.0%; 0.00 to 20.0 mg/L (ppm)	0.1%; 0.01 mg/L( ppm)	±0.2 mg/L (< 8 mg/L) or ±0.3 mg/L (8 to 20 mg/L)	Meter with IP54 Sets, Electrode Clip, Wrist Strap, 4 AAA Batteries & STDO21 Probe	$1,917.30	Qty:
30378542	ST400D-G	0.0 to 200.0%; 0.00 to 20.0 mg/L (ppm)	0.1%; 0.01 mg/L( ppm)	±0.2 mg/L (< 8 mg/L) or ±0.3 mg/L (8 to 20 mg/L)	Meter with IP54 Sets, Electrode Clip, Wrist Strap, 4 AAA Batteries, STDO21 Probe & Portable Bag	$1,962.40	Qty: