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Gerber Instruments AG
Your specialist for analytical solutions

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Kern & Sohn

Digital refractometers ORM

Accurate and maintenance free digital handheld refractometers for universal application.

Large display with integrated temperature reading
Automatic temperature compensation (ATC)
Automatic power-off after 60 seconds
Protected against dust and splash water (IP 65)

Scope of supply: Refractometer, prism cover lid, pipette, storage box, 1 × AAA battery, user manual

Temperature:	0 ... 40 °C
Dimensions (WxDxH):	121 x 58 x 25 mm
Weight:	289 g
Battery/rechargeable battery:	1 x 1.5 V, AAA
IP code:	IP 65

$Digital refractometers ORM$
Digital refractometers ORM

Type	Measured range	Resolution	Accuracy	PK	Cat. No.
ORM 50BM	0 ... 50 % Brix 1.3330 ... 1.4200 nD	0.1 % Brix 0.0001 nD	± 0.2 % Brix ± 0.0003 nD	1	6320397
ORM 1RS	0 ... 90 % Brix 1.3330 ... 1.5177 nD	0.1 % Brix 0.0001 nD	± 0.2 % Brix ± 0.0003 nD	1	6320396
ORM 1SU	0 ... 69 % Fructose 0 ... 60 % Glucose 0 ... 90 % Brix 1.3330 ... 1.577 nD	0.1 % Fructose 0.1 % Glucose 0.1 % Brix 0.0001 nD	± 0.2 % Fructose ± 0.2 % Glucose ± 0.2 % Brix ± 0.0003 nD	1	4691100
ORM 2SU	0 ... 17 % Lactose 0 ... 16 % Maltose 0 ... 11 % Dextran 0 ... 50 % Brix	0.1 % Lactose 0.1 % Maltose 0.1 % Dextran 0.1 % Brix	± 0.2 % Lactose ± 0.2 % Maltose ± 0.2 % Dextran ± 0.2 % Brix	1	4691105
ORM 1HO	5 ... 38 % Water content 33 ... 48 °Bé 0 ... 90 % Brix 1.3330 ... 1.5177 nD	0.1 % Water content 0.1 °Bé 0.1 % Brix 0.0001 nD	± 0.2 % Water content ± 0.2 °Bé ± 0.2 % Brix ± 0.0003 nD	1	4691098
ORM 1NA	0 ... 28 % NaCl 0 ... 280 ‰ NaCl 1.000 ... 1.220 Spec. gravity 0 ... 50 % Brix 1.3330 ... 1.4100 nD	0.1 % NaCl 1 ‰ NaCl 0.001 Spec. gravity 0.1 % Brix 0.0001 nD	± 0.2 % NaCl ± 2 ‰ NaCl ± 0.002 Spec. gravitiy ± 0.2 % Brix ± 0.0003 nD	1	4691099
ORM 1SW	0 ... 100 ‰ Salt content seawater 0 ... 57 % Chlorine content seawater 1.000 ... 1.070 Spec. gravity 0 ... 50 % Brix 1.3330 ... 1.4200 nD	1 ‰ Salt content seawater 1 ‰ Chlorine content seawater 0.1 Spec. gravity 0.1 % Brix 0.0001 nD	± 2 ‰ Salt content seawater ± 2 ‰ Chlorine content seawater ± 0.002 Spec. gravity ± 0.2 % Brix ± 0.0003 nD	1	4691101
ORM 1AL	0 ... 72 % mas 0 ... 80 % vol 0 ... 50 % Brix 1.3330 ... 1.4200 nD	1 % mas 1 % vol 0.1 % Brix 0.0001 nD	1 % mas 1 % vol 0.1 % Brix 0.0001 nD	1	4691094
ORM 1BR	0 ... 31 °P 1.000 ... 1.1300 sgW 0 ... 50 % Brix 1.3330 ... 1.4200 nD	0.1 °P 0.1 sgW 0.1 % Brix 0.0001 nD	± 0.3 °P ± 0.002 sgW ± 0.2 % Brix ± 0.0003 nD	1	4691095
ORM 1WN	0 ... 150 °Oe 0 ... 22 % vol 0 ... 25 °KMW 0 ... 50 % Brix	1 °Oe 0.1 % vol 0.1 °KMW 0.1 % Brix	± 2 °Oe ± 0.2 % vol ±0.2 °KMW ± 0.2 % Brix	1	4691102
ORM 2WN	0 ... 230 °Oe France 0 ... 22 % vol 0 ... 25 °KMW 0 ... 50 % Brix	1 °Oe France 0.1 % vol 0.1 °KMW 0.1 % Brix	± 2 °Oe France ± 0.2 % vol ±0.2 °KMW ± 0.2 % Brix	1	4691107
ORM 1CO	0 ... 25 Coffee TDS 1 0 ... 50 % Brix 1.3330 ... 1.4200 nD	0.1 Coffee TDS 1 0.1 % Brix 0.0001 nD	± 0.2 Coffee TDS 1 ± 0.2 % Brix ± 0.0003 nD	1	4691097
ORM 2CO	0 ... 25 Coffee TDS 2 0 ... 30 % Brix 1.3330 ... 1.4200 nD	0.1 Coffee TDS 2 0.1 % Brix 0.0001 nD	± 0.2 Coffee TDS 2 ± 0.2 % Brix ± 0.0003 nD	1	4691104
ORM 1UN	1.000 ... 1.050 sgU (spec. gravity) 0 ... 12 g/100 ml Serum protein 0 ... 50 % Brix 1.3330 ... 1.4200 nD	0.001 sgU (spec. gravity) 0.1 g/100 ml Serum protein 0.1 % Brix 0.0001 nD	± 0.001 sgU (spec. gravity) ± 0.2 g/100 ml Serum protein ± 0.2 % Brix ± 0.0003 nD	1	6325144
ORM 2UN	1.000 ... 1.060 sgU (s.g. dog) 1.000 ... 1.060 sgU (s.g. cat) 0 ... 50 % Brix 1.3330 ... 1.4200 nD	0.001 sgU (s.g. dog) 0.001 sgU (s.g. cat) 0.1 % Brix 0.0001 nD	± 0.002 sgU (s.g. dog) ± 0.002 sgU (s.g. cat) ± 0.2 % Brix ± 0.0003 nD	1	4691106
ORM 1CA	-60 ... 0 °C Wash water 0 ... 51 % AdBlue® 1.000 ... 1.500 Battery fluid 0 ... 50 % Brix 1.3330 ... 1.4200 nD	0.1 °C Wash water 0,1 % AdBlue® 0.001 Battery fluid 0.1 % Brix 0.0001 nD	± 0.5 °C Wash water ± 0.2 % AdBlue® ± 0.005 Battery fluid ± 0.2 % Brix ± 0.0003 nD	1	4691096
ORM 2CA	0 ... 100 % Ethylene glycol -50 ... 0 °C Ethylene glycol 0 ... 100 % Propylene glycol -60 ... 0 °C Propylene glycol 0 ... 90 % Brix	0.1 % Ethylene glycol 0.1 °C Ethylene glycol 0.1 % Propylene glycol 0.1 °C Propylene glycol 0.1 % Brix	± 0.5 % Ethylene glycol ± 0.5 °C Ethylene glycol ± 0.5 % Propylene glycol ± 0.5 °C Propylene glycol ± 0.2 % Brix	1	4691103

Type ORM 50BM

Measured range 0 ... 50 % Brix 1.3330 ... 1.4200 nD

Resolution 0.1 % Brix 0.0001 nD

Accuracy ± 0.2 % Brix ± 0.0003 nD

Cat. No. 6.320 397

Type ORM 1RS

Measured range 0 ... 90 % Brix 1.3330 ... 1.5177 nD

Resolution 0.1 % Brix 0.0001 nD

Accuracy ± 0.2 % Brix ± 0.0003 nD

Cat. No. 6.320 396

Type ORM 1SU

Measured range 0 ... 69 % Fructose 0 ... 60 % Glucose 0 ... 90 % Brix 1.3330 ... 1.577 nD

Resolution 0.1 % Fructose 0.1 % Glucose 0.1 % Brix 0.0001 nD

Accuracy ± 0.2 % Fructose ± 0.2 % Glucose ± 0.2 % Brix ± 0.0003 nD

Cat. No. 4.691 100

Type ORM 2SU

Measured range 0 ... 17 % Lactose 0 ... 16 % Maltose 0 ... 11 % Dextran 0 ... 50 % Brix

Resolution 0.1 % Lactose 0.1 % Maltose 0.1 % Dextran 0.1 % Brix

Accuracy ± 0.2 % Lactose ± 0.2 % Maltose ± 0.2 % Dextran ± 0.2 % Brix

Cat. No. 4.691 105

Type ORM 1HO

Measured range 5 ... 38 % Water content 33 ... 48 °Bé 0 ... 90 % Brix 1.3330 ... 1.5177 nD

Resolution 0.1 % Water content 0.1 °Bé 0.1 % Brix 0.0001 nD

Accuracy ± 0.2 % Water content ± 0.2 °Bé ± 0.2 % Brix ± 0.0003 nD

Cat. No. 4.691 098

Type ORM 1NA

Measured range 0 ... 28 % NaCl 0 ... 280 ‰ NaCl 1.000 ... 1.220 Spec. gravity 0 ... 50 % Brix 1.3330 ... 1.4100 nD

Resolution 0.1 % NaCl 1 ‰ NaCl 0.001 Spec. gravity 0.1 % Brix 0.0001 nD

Accuracy ± 0.2 % NaCl ± 2 ‰ NaCl ± 0.002 Spec. gravitiy ± 0.2 % Brix ± 0.0003 nD

Cat. No. 4.691 099

Type ORM 1SW

Measured range 0 ... 100 ‰ Salt content seawater 0 ... 57 % Chlorine content seawater 1.000 ... 1.070 Spec. gravity 0 ... 50 % Brix 1.3330 ... 1.4200 nD

Resolution 1 ‰ Salt content seawater 1 ‰ Chlorine content seawater 0.1 Spec. gravity 0.1 % Brix 0.0001 nD

Accuracy ± 2 ‰ Salt content seawater ± 2 ‰ Chlorine content seawater ± 0.002 Spec. gravity ± 0.2 % Brix ± 0.0003 nD

Cat. No. 4.691 101

Type ORM 1AL

Measured range 0 ... 72 % mas 0 ... 80 % vol 0 ... 50 % Brix 1.3330 ... 1.4200 nD

Resolution 1 % mas 1 % vol 0.1 % Brix 0.0001 nD

Accuracy 1 % mas 1 % vol 0.1 % Brix 0.0001 nD

Cat. No. 4.691 094

Type ORM 1BR

Measured range 0 ... 31 °P 1.000 ... 1.1300 sgW 0 ... 50 % Brix 1.3330 ... 1.4200 nD

Resolution 0.1 °P 0.1 sgW 0.1 % Brix 0.0001 nD

Accuracy ± 0.3 °P ± 0.002 sgW ± 0.2 % Brix ± 0.0003 nD

Cat. No. 4.691 095

Type ORM 1WN

Measured range 0 ... 150 °Oe 0 ... 22 % vol 0 ... 25 °KMW 0 ... 50 % Brix

Resolution 1 °Oe 0.1 % vol 0.1 °KMW 0.1 % Brix

Accuracy ± 2 °Oe ± 0.2 % vol ±0.2 °KMW ± 0.2 % Brix

Cat. No. 4.691 102

Type ORM 2WN

Measured range 0 ... 230 °Oe France 0 ... 22 % vol 0 ... 25 °KMW 0 ... 50 % Brix

Resolution 1 °Oe France 0.1 % vol 0.1 °KMW 0.1 % Brix

Accuracy ± 2 °Oe France ± 0.2 % vol ±0.2 °KMW ± 0.2 % Brix

Cat. No. 4.691 107

Type ORM 1CO

Measured range 0 ... 25 Coffee TDS 1 0 ... 50 % Brix 1.3330 ... 1.4200 nD

Resolution 0.1 Coffee TDS 1 0.1 % Brix 0.0001 nD

Accuracy ± 0.2 Coffee TDS 1 ± 0.2 % Brix ± 0.0003 nD

Cat. No. 4.691 097

Type ORM 2CO

Measured range 0 ... 25 Coffee TDS 2 0 ... 30 % Brix 1.3330 ... 1.4200 nD

Resolution 0.1 Coffee TDS 2 0.1 % Brix 0.0001 nD

Accuracy ± 0.2 Coffee TDS 2 ± 0.2 % Brix ± 0.0003 nD

Cat. No. 4.691 104

Type ORM 1UN

Measured range 1.000 ... 1.050 sgU (spec. gravity) 0 ... 12 g/100 ml Serum protein 0 ... 50 % Brix 1.3330 ... 1.4200 nD

Resolution 0.001 sgU (spec. gravity) 0.1 g/100 ml Serum protein 0.1 % Brix 0.0001 nD

Accuracy ± 0.001 sgU (spec. gravity) ± 0.2 g/100 ml Serum protein ± 0.2 % Brix ± 0.0003 nD

Cat. No. 6.325 144

Type ORM 2UN

Measured range 1.000 ... 1.060 sgU (s.g. dog) 1.000 ... 1.060 sgU (s.g. cat) 0 ... 50 % Brix 1.3330 ... 1.4200 nD

Resolution 0.001 sgU (s.g. dog) 0.001 sgU (s.g. cat) 0.1 % Brix 0.0001 nD

Accuracy ± 0.002 sgU (s.g. dog) ± 0.002 sgU (s.g. cat) ± 0.2 % Brix ± 0.0003 nD

Cat. No. 4.691 106

Type ORM 1CA

Measured range -60 ... 0 °C Wash water 0 ... 51 % AdBlue® 1.000 ... 1.500 Battery fluid 0 ... 50 % Brix 1.3330 ... 1.4200 nD

Resolution 0.1 °C Wash water 0,1 % AdBlue® 0.001 Battery fluid 0.1 % Brix 0.0001 nD

Accuracy ± 0.5 °C Wash water ± 0.2 % AdBlue® ± 0.005 Battery fluid ± 0.2 % Brix ± 0.0003 nD

Cat. No. 4.691 096

Type ORM 2CA

Measured range 0 ... 100 % Ethylene glycol -50 ... 0 °C Ethylene glycol 0 ... 100 % Propylene glycol -60 ... 0 °C Propylene glycol 0 ... 90 % Brix

Resolution 0.1 % Ethylene glycol 0.1 °C Ethylene glycol 0.1 % Propylene glycol 0.1 °C Propylene glycol 0.1 % Brix

Accuracy ± 0.5 % Ethylene glycol ± 0.5 °C Ethylene glycol ± 0.5 % Propylene glycol ± 0.5 °C Propylene glycol ± 0.2 % Brix

Cat. No. 4.691 103

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