Water & Soil Analysis – 161, 191, 171 & 172

Features

  • pH, Conductivity, TDS, DO Salinity, mV & Temp. Measurements
  • Turbidity Measurement (Model – 191)
  • Colorimetric Measurement (Model – 171)
  • Both Turbidity & Colorimetric Measurement (Model – 172)
  • Mains cum Battery Operated
  • Available in ABS Plastic Briefcase
products_0000_model_191

Specifications

Model 161 191 171 172
Display 3½ Digit LCD 3½ Digit LCD 3½ Digit LCD 3½ Digit LCD
pH
Range 0 – 14 pH 0 – 14 pH 0 – 14 pH 0 – 14 pH
Resolution 0.01 pH 0.01 pH 0.01 pH 0.01 pH
Accuracy 0.01, ± 1 Digit 0.01, ± 1 Digit 0.01, ± 1 Digit 0.01, ± 1 Digit
Temp. Comp. 0 – 100 °C (Manual) 0 – 100 °C (Manual) 0 – 100 °C (Manual) 0 – 100 °C (Manual)
Conductivity
Range 0 – 200 ?S
0 – 2, 0 – 20,
0 – 200 mS
0 – 20 mS 0 – 20 mS 0 – 20 mS
Resolution 0.1 ?S 0.01 mS
(10 ?S)
0.01 mS
(10 ?S)
0.01 mS
(10 ?S)
Range Select Manual
Accuracy ± 0.5% FS,
± 1 Digit
± 0.5% FS,
± 1 Digit
± 0.5% FS,
± 1 Digit
± 0.5% FS,
± 1 Digit
Cell Constant Adjustable
(0.4 – 1.5)
Pre-Adjusted Pre-Adjusted Pre-Adjusted
Temp. Coeff. 2% 2% 2% 2%
Temp. Comp. Adjustable
from Table
Adjustable
from Table
Adjustable
from Table
Adjustable
from Table
Ref. Temp. 25 °C 25 °C 25 °C 25 °C
Temperature
Range 0 – 100 °C 0 – 100 °C 0 – 100 °C 0 – 100 °C
Resolution 0.1 °C 0.1 °C 0.1 °C 0.1 °C
Accuracy ± 0.1 °C
± 1 Digit
± 0.1 °C
± 1 Digit
± 0.1 °C
± 1 Digit
± 0.1 °C
± 1 Digit
Sensor Semiconductor Semiconductor Semiconductor Semiconductor
TDS
Range 0 – 200 ppm
0 – 2, 0 – 20,
0 – 200 ppt
0 – 20 ppt 0 – 20 ppt 0 – 20 ppt
Range Select Manual
Resolution 0.1 ppm 0.1 ppt 0.1 ppt 0.1 ppt
Accuracy ± 0.5% FS,
± 1 Digit
± 0.5% FS,
± 1 Digit
± 0.5% FS,
± 1 Digit
± 0.5% FS,
± 1 Digit
Cell Constant On Display
(0.4 – 1.5)
Pre-Adjusted Pre-Adjusted Pre-Adjusted
DO
Range 0 – 20 ppm 0 – 20 ppm 0 – 20 ppm 0 – 20 ppm
Resolution 0.1 ppm 0.1 ppt 0.1 ppt 0.1 ppt
Accuracy 0.5 ppm,
± 1 Digit
0.5 ppm,
± 1 Digit
0.5 ppm,
± 1 Digit
0.5 ppm,
± 1 Digit
Temp. Comp. 5 – 55 °C
(Manual)
5 – 55 °C
(Manual)
5 – 55 °C
(Manual)
5 – 55 °C
(Manual)
Sensor Gold/Silver
Amperometric
Gold/Silver
Amperometric
Gold/Silver
Amperometric
Gold/Silver
Amperometric
mV (ORP)
Range 0 – ± 1999 mV
Resolution 1mV
Accuracy 1 mV, ± 1 Digit
Turbidity
Range 0 – 1000 NTU 0 – 1000 NTU
Resolution 1NTU 1NTU
Accuracy ± 3% FS,
± 1 Digit
± 3% FS,
± 1 Digit
Sample System 30 mm clear Glass Tube 30 mm clear Glass Tube
Salinity
Range 0 – 50 ppt 0 – 50 ppt 0 – 50 ppt 0 – 50 ppt
Resolution 0.1 ppt 0.1 ppt 0.1 ppt 0.1 ppt
Accuracy ± 0.5% FS,
± 1 Digit
± 0.5% FS,
± 1 Digit
± 0.5% FS,
± 1 Digit
± 0.5% FS,
± 1 Digit
Colorimeter
Abs 0 – 1.99 0 – 1.99
Filters 5 5
Resolution 0.01A 0.01A
POWER SUPPLY 1.5V x 6
Dry Cells/
230 V ± 10% AC, 50 Hz.
In-built Chargeable Battery
230 V ± 10% AC, 50 Hz.
In-built Chargeable Battery
230 V ± 10% AC, 50 Hz.
In-built Chargeable Battery
230 V ± 10% AC, 50 Hz.
ACCESSORIES pH Electrode, Cond/TDS/Salinity cell, DO Probe, Temperature Probe, pH Bottles, pH Tablets, Turbidity Test Tubes (Model – 161 & 191), Colorimeter Test Tube (Model – 171 & 172), Dry Cell Container – (Model – 161), Mains Lead, Operation Manual
Model Display
161 3½ Digit LCD
191 3½ Digit LCD
171 3½ Digit LCD
172 3½ Digit LCD
pH
Model Range
161 0 – 14 pH
191 0 – 14 pH
171 0 – 14 pH
172 0 – 14 pH
Model Resolution
161 0.01 pH
191 0.01 pH
171 0.01 pH
172 0.01 pH
Model Accuracy
161 0.01, ± 1 Digit
191 0.01, ± 1 Digit
171 0.01, ± 1 Digit
172 0.01, ± 1 Digit
Model Temp. Comp.
161 0 – 100 °C (Manual)
191 0 – 100 °C (Manual)
171 0 – 100 °C (Manual)
172 0 – 100 °C (Manual)
Conductivity
Model Range
161 0 – 200 ?S
0 – 2, 0 – 20,
0 – 200 mS
191 0 – 20 mS/td>
171 0 – 20 mS
172 0 – 20 mS
Model Resolution
161 0.1 ?S
191 0.01 mS
(10 ?S)
171 0.01 mS
(10 ?S)
172 0.01 mS
(10 ?S)
Model Range Select
161 Manual
191
171
172
Model Accuracy
161 ± 0.5% FS,
± 1 Digit
191 ± 0.5% FS,
± 1 Digit
171 ± 0.5% FS,
± 1 Digit
172 ± 0.5% FS,
± 1 Digit
Model Cell Constant
161 Adjustable
(0.4 – 1.5)
191 Pre-Adjusted
171 Pre-Adjusted
172 Pre-Adjusted
Model Temp. Coeff
161 2%
191 2%
171 2%
172 2%
Model Temp. Comp.
161 Adjustable
from Table
191 Adjustable
from Table
171 Adjustable
from Table
172 Adjustable
from Table
Model Ref. Temp.
161 25 °C
191 25 °C
171 25 °C
172 25 °C
Temperature
Model Range
161 0 – 100 °C
191 0 – 100 °C
171 0 – 100 °C
172 0 – 100 °C
Model Resolution
161 0.1 °C
191 0.1 °C
171 0.1 °C
172 0.1 °C
Model Accuracy
161 ± 0.1 °C
± 1 Digit
191 ± 0.1 °C
± 1 Digit
171 ± 0.1 °C
± 1 Digit
172 ± 0.1 °C
± 1 Digit
Model Sensor
161 Semiconductor
191 Semiconductor
171 Semiconductor
172 Semiconductor
TDS
Model Range
161 0 – 200 ppm
0 – 2, 0 – 20,
0 – 200 ppt
191 0 – 20 ppt
171 0 – 20 ppt
172 0 – 20 ppt
Model Range Select
161 Manual
191
171
172
Model Resolution
161 0.1 ppm
191 0.1 ppt
171 0.1 ppt
172 0.1 ppt
Model Accuracy
161 ± 0.5% FS,
± 1 Digit
191 ± 0.5% FS,
± 1 Digit
171 ± 0.5% FS,
± 1 Digit
172 ± 0.5% FS,
± 1 Digit
Model Cell Constant
161 On Display
(0.4 – 1.5)
191 Pre-Adjusted
171 Pre-Adjusted
172 Pre-Adjusted
DO
Model Range
161 0 – 20 ppm
191 0 – 20 ppm
171 0 – 20 ppm
172 0 – 20 ppm
Model Resolution
161 0.1 ppm
191 0.1 ppt
171 0.1 ppt
172 0.1 ppt
Model Accuracy
161 0.5 ppm,
± 1 Digit
191 0.5 ppm,
± 1 Digit
171 0.5 ppm,
± 1 Digit
172 0.5 ppm,
± 1 Digit
Model Temp. Comp.
161 5 – 55 °C
(Manual)
191 5 – 55 °C
(Manual)
171 5 – 55 °C
(Manual)
172 5 – 55 °C
(Manual)
Model Sensor
161 Gold/Silver
Amperometric
191 Gold/Silver
Amperometric
171 Gold/Silver
Amperometric
172 Gold/Silver
Amperometric
mV (ORP)
Model Range
161 0 – ± 1999 mV
191
171
172
Model Resolution
161 1mV
191
171
172
Model Accuracy
161 1 mV, ± 1 Digit
191
171
172
Turbidity
Model Range
161 –
191 0 – 1000 NTU
171
172 0 – 1000 NTU
Model Resolution
161 –
191 1NTU
171
172 1NTU
Model Accuracy
161 –
191 ± 3% FS,
± 1 Digit
171
172 ± 3% FS,
± 1 Digit
Model Sample System
161 –
191 30 mm clear Glass Tube
171
172 30 mm clear Glass Tube
Salinity
Model Range
161 0 – 50 ppt
191 0 – 50 ppt
171 0 – 50 ppt
172 0 – 50 ppt
Model Resolution
161 0.1 ppt
191 0.1 ppt
171 0.1 ppt
172 0.1 ppt
Model Accuracy
161 ± 0.5% FS,
± 1 Digit
191 ± 0.5% FS,
± 1 Digit
171 ± 0.5% FS,
± 1 Digit
172 ± 0.5% FS,
± 1 Digit
Colorimeter
Model Abs
161
191
171 0 – 1.99
172 0 – 1.99
Model Filters
161
191
171 5
172 5
Model Resolution
161
191
171 0.01A
172 0.01A
Model POWER SUPPLY
161 1.5V x 6
Dry Cells/
230 V ± 10% AC, 50 Hz.
191 In-built Chargeable Battery
230 V ± 10% AC, 50 Hz.
171 In-built Chargeable Battery
230 V ± 10% AC, 50 Hz.
172 In-built Chargeable Battery
230 V ± 10% AC, 50 Hz.
ACCESSORIES pH Electrode, Cond/TDS/Salinity cell, DO Probe, Temperature Probe, pH Bottles, pH Tablets, Turbidity Test Tubes (Model – 161 & 191), Colorimeter Test Tube (Model – 171 & 172), Dry Cell Container – (Model – 161), Mains Lead, Operation Manual

Note : Specifications are subject to change due to continuous improvements.