DISCONTINUED: Chematest 25

Specifications

Scope of supply:
Combimeter in carrying case (38x27x10 cm) with electronic thermometer, 4 glass cuvettes, 1 cuvette lid, 2 glass rods, 1 ball pipette, 3 sample flasks, 1 waste flask, 1 note pad, 1 waterproof pen, 4 batteries.

Instrument:

• Combined photo- and pH-meter, microprocessor controlled
• Digital display
• Battery powered with economical power circuit for about 2000 determinations

Dimensions, weight:

• Instrument: 10 x 20 x 4 cm; 450 g
• Carrying case: 38 x 27 x 10 cm; 2.900 kg (complete)

Specifications pH:

• Maintenance-free pH electrode with cable and BNCconnector
• Measuring range: 0 - 14 pH
• Resolution: 0.01 pH
• Accuracy: ± 0.01 pH
• Automatic temperature compensation
• Automatic buffer recognition
• ISO/DIN or technical buffer

Specifications temperature:

• Electronic thermometer
• Measuring range: - 50 to + 170 °C
• Resolution: 1 °C
• Accuracy: ± 1 °C
• Probe: InAisi316, length 130 mm, ∅ 3 mm
• Size: 142 x 29 x 15 mm
• Battery: 4 x 1.4 V
• Battery life: approx. 1000 hours

Specifications ORP/redox (optional):

• Maintenance-free ORP/redox electrode with cable and BNC-connector
• Measuring range: - 400 mV to + 1500 mV
• Resolution: 1 mV
• Accuracy: ± 0.5 mV
• Automatic temperature compensation
• Automatic buffer recognition
• ISO/DIN or technical buffer

Photometric specifications:

Parameter	Measuring range mg/l
		low	medium	high
Chlorine	0.00	- 2.49	- 4.9	- 10
Chlorine-dioxide	0.00	- 4.99	- 9.9	- 20
Ozone	0.000	- 0.499	- 0.99	- 2.5
Iodine	0.00	- 9.99	- 19.9	- 35
Bromine	0.00	- 4.99	- 9.9	- 20
Accuracy:		± 1%	± 2.5%	± 5 %
		of measuring range

Parameter	Measuring range		Accuracy (of measuring range)
pH-value	6.50	- 8.00 pH	± 0.1 pH
Cyanuric acid	0	- 100 mg/l	± 10%
Iron	0.00	- 2.5 mg/l	± 1%
Aluminium	0	- 0.8 mg/l	± 5%

• Repeatability better than accuracy
• Automatic range switching