GHMGroup

Measuring ranges
Oxygen concentration: 0.0 ... 100.0 % O2 (gaseous)
OXY 3690 MP: recommended range 0.2 ... 35.0 vol.% O2 (reduced precision outside)
OXY 3690 MP-LO: also suitable for values ≤0.2 vol.% O2
Temperature: -20.0 ... 50.0 °C
Accuracy device (at nominal temperature 25 °C):
Oxygen: ±0.1 % ±1 digit
Temperature: ±0.1 °C ±1 digit
Output signal (O2 only): 4 ... 20 mA (2-wire - standard), 0 ... 10 V (3-wire - option)

Switch：reed switch
Switching range：0.4..60 l/min
Qmax.：to 80 l/min
Pressure resistance：PN 200 bar(with optional display O1 G 1/4..G 3/4 PN 90)
Media temperature：-20..+120 °C
Ingress protection：IP 65

Switch：reed switch
Switching range：0.4..60 l/min
Qmax.：to 80 l/min
Pressure resistance：PN 200 bar optionally PN 500 bar
Media temperature：-20..+120 ℃ optionally -20..+150 °C
Ingress protection：IP 65

Sensor：inductive
Mechanical Connection：female thread G 3/8, G 1 / male thread G 3/8 A, G 1 A / hose nozzle Ø11, Ø30
Pressure resistance：PN 16 bar
Medium temperature：0..60 °C
Ingress protection：IP 67

Sensor：biased Hall sensor
Nominal width：DN 15..50
Process connection：male thread G 1/2 A...G 2 A
Metering ranges：1.8..1133 l/min
Measurement accuracy：±1 % of full scale value
Medium temperature：-20..+85 °C / optionally -20..+150 °C (for 8 bar min.)
Ambient temperature：-20..+70 °C

Instrument SL-Pt eco
Measuring range：-200.0..+250.0 °C
Resolution：0.1°C
Accuracy：
at -20.0..+100.0 °C ：±0.1 °C ±1 digit
at -70.0..+200.0 °C ：±0.1 % of m.v. ±2 digit
Protection class：IP65 / IP67

Measuring range：Conductivity 0.0..200.0 μS / cm / 0..2000 μS / cm / 0.00..20.00 mS / cm / 0.0..200.0 mS / cm / 0..400 mS / cm (only GMH 3451) / Manually adjustable or AutoRange
Spec. resistance：0.005..100.0 kOhm * cm
Salinity：0.0..70.0 g / kg water
TDS：0..1999 mg/l

Measuring range : 0.00..14.00 pH
Output signal : 4..20 mA, (2-wire) / 0..10 V (3-wire)
Working temperature : 0..50 °C
Accuracy : 0.02 pH ±1 digit
Ingress protection : IP65

Output：4 ... 20 mA
Operating ambient temperature：-30/+55°C UR 90%.
Standard working temperature：up to 105°C
Maximum working pressure：50 Bar
Minimum degree of protection：IP65