Easy measurement by multifunction input
The input module can be expanded to accommodate a wide variety of measurements


It is not able to connect two sensors of the same type.
Providing a variety of sensors and input terminals corresponding to the application.
There is the following input module.
Number of channels and measurement type are fixed with each input module.
Sensor
| No. | Input module | Measurement (actual sensing) | Measurement (calculated value) |
|---|---|---|---|
| 1 | Temp./Humidity sensor GS-TH |
Temperature (-20 to 85 oC), Humidity (0 to 100 % RH) |
Accumulated temperature, Dew-point temperature |
| 2 | Acceleration/Temp. sensor GS-3AT |
Acceleration in 3-axis (max. 10 G), Temperature (-10 to 50 oC) |
N/A |
| 3 | Illuminance/UV sensor GS-LXUV |
Illuminance (max. 200 k lx), UV intensity (max. 30 mW/cm2) |
Accumulated Illuminance, Accumulated UV intensity |
| 4 | Carbon dioxide sensor GS-CO2 |
CO2 concentration (max. 9999 ppm) |
N/A |

Input terminals / Adapter
| No. | Input module | Measurement (actual sensing) | Measurement (calculated value) |
|---|---|---|---|
| 5 | Voltage/Temp. input module GS-4VT |
Voltage (max. 50 V) or Temp. (TC: K/T type) of 4 ch, Logic or Pulse of 4 ch |
|
| 6 | Temperature input terminal GS-4TSR |
Thermistor (max. 120 oC) of 4 ch, Logic or Pulse of 4 ch |
|
| 7 | Thermistor sensor GS-103AT-4P |
Temperature sensor (-40 to 105 oC), Normal type use with GS-4TSR module |
|
| 8 | Thermistor sensor GS-103JT-4P |
Temperature sensor (-40 to 120 oC), Ultrathin type use with GS-4TSR module |
|
| 9 | AC current sensor adapter GS-DAP-AC |
AC current, 2 sensors are able to connect (*1) |
Power (instantaneous), Integrated power (Electric energy) |
| 10 | AC current sensor GS-AC50A |
Clamp-on type (max. 50 A AC), use with GS-DAP-AC module |
|
| 11 | AC current sensor GS-AC100A |
Clamp-on type (max. 100 A AC), use with GS-DAP-AC module |
|
| 12 | AC current sensor GS-AC200A |
Clamp-on type (max. 200 A AC), use with GS-DAP-AC module |
|
- (*1)
- it is required to use the same type sensor and it is used in the same power system of the single- or three-phase.

Various sensor specifications
Temperature & Humidity sensor (GS-TH) input module
| Item | Description | |
|---|---|---|
| Type of measurement | Actual measuring | Temperature and Humidity |
| Calculated value | Dew-point temperature and Accumulated temperature (The temperature will be accumulated during it is higher or lower than the reference temperature.) | |
| Method of measurement | C-MOS sensor | |
| Measuring range | Temperature | -20 to 85 °C |
| Humidity | 0.0 to 100.0 % RH | |
| Accuracy | Temperature | -20 ≤ TS < 0: ± 0.8 °C 0 ≤ TS ≤ 60: ± 0.5 °C 60 < TS ≤ 85: ± 0.8 °C |
| Humidity | at 25 °C Measuring 0 to 10 % RH: ± 10% RH Measuring 10 to 20 % RH: ± 8% RH Measuring 20 to 80 % RH: ± 5% RH Measuring 80 to 90 % RH: ± 8% RH Measuring 90 to 100 % RH: ± 10% RH |
|
| Response | Temperature, Humidity: Approx. 100 seconds (Time to reach 63%, at 25 °C and air flow 1 m/s) * It varies by environment condition. |
|
| Sampling interval | 0.5, 1, 2, 5, 10, 20, 30 seconds, 1, 2, 5, 10, 20, 30, 60 minutes | |
| Unit of temperature measurement | Switchable °C and °F | |
| Water resistance | Protect by waterproof filter at the sensing part | |
| Operating environment | Within temperature and humidity measurement range (When sensor is attached directly to the GL100, it is the same specifications as the GL100.) | |
| External dimension [W x D x H] | Approx. 15 x 45 x 10 mm (exclude protrusion) | |
| Weight | Approx. 14 g | |
Acceleration & Temperature sensor (GS-3AT) input module
| Item | Description | |
|---|---|---|
| Type of measurement | Tri-axial aceleration (X-, Y-, Z-axis) and Temperature | |
| Measuring range | Acceleration | ±2 G (20m/s2), ±5 G (50m/s2), ±10 G (10m/s2) |
| Temperature | -10 to 50 °C (using C-MOS sensor) | |
| Accuracy | Acceleration | ±2 % of F.S. (including non linearity) |
| Temperature | -10 ≤ TS < 50: ± 1.0 °C | |
| Response (acceleration measurement) | 0 Hz to 100 Hz | |
| Measuring mode | Memory, or Direct mode | |
| Memory capacity | 16, 32, 64, 128 k Samples (for memory mode) | |
| Pre-trigger | 10, 25, 50, 100 % of selected memory capacity, and OFF (function is available for memory mode) | |
| Sampling interval | Memory mode: 5, 10, 20, 50, 100 ms Direct mode: 0.5, 1, 2, 5, 10, 20, 30 seconds, 1, 2, 5, 10, 20, 30, 60 minutes |
|
| Calculation function (in Direct mode) | Function: The data is captured in every 5ms interval, and then the result of calculation between selected interval will be saved. Type of calculation: Average, Peak, RMS, or OFF (selected one value will be saved) |
|
| Unit of temperature measurement | Switchable °C and °F | |
| Offset adjustment function | OFF, ON (sets the static acceleration value of current to zero) | |
| Dustproof and waterproof | IP54 | |
| Length of cable | Approx. 200 mm | |
| Operating environment | Temperature: -10 °C to 50 °C Humidity: up to 80 % RH (non condensed) |
|
| External dimension [W x D x H] | Approx. 51 x 36 x 20 mm (exclude protrusion) | |
| Weight | Approx. 64 g | |
Illuminance & Ultraviolet sensor (GS-LXUV) input module
| Item | Description | |
|---|---|---|
| Type of measurement | Actual measuring | Illuminance and UV intensity |
| Calculated value | Accumulated illuminance and Accumulated UV intensity | |
| Measuring range | Illuminance | 0 lx to 200 k lx |
| UV intensity | 0 to 30 mW/cm2 | |
| Measuring accuracy | Illuminance | ±5 % at 25 °C (Temperature characteristic: 5 % at 10 °C to 40 °C) |
| UV intensity | ±5 % at 25 °C (Temperature characteristic: 5 % at 10 °C to 40 °C) | |
| Response | 1 ms or less | |
| Accumulating function | Illuminance | 0 to 99999 k lxh (Accumulated value is reset by starting the data recording or pressing the QUIT key.) |
| UV intensity | 0 to 99999 mW/cm2h (Accumulated value is reset by starting the data recording or pressing the QUIT key.) | |
| Sampling interval | 0.5, 1, 2, 5, 10, 20, 30 seconds, 1, 2, 5, 10, 20, 30, 60 minutes | |
| Length of cable | Approx. 200 mm | |
| Operating environment | Temperature: -10 °C to 50 °C Humidity: up to 80 % RH (non condensed) |
|
| External dimension [W x D x H] | Approx. 46 x 66 x 19 mm (exclude protrusion) | |
| Weight | Approx. 65 g | |
Carbon dioxide (CO2) sensor (GS-CO2) input module
| Item | Description | |
|---|---|---|
| Type of measurement | Carbon dioxide concentration | |
| Method of measurement | NDIR (Non Dispersive Infra-red) | |
| Measuring range | 0 to 9999 ppm | |
| Measuring accuracy | ±0.5 % of reading + 30 ppm (in range of 0 to 5000 ppm) | |
| Response | 3 minutes or less | |
| Sampling interval | 0.5, 1, 2, 5, 10, 20, 30 seconds, 1, 2, 5, 10, 20, 30, 60 minutes (Sensing of carbon dioxide is done at interval of 2 seconds or slower. When sampling is selected to 0.5 or 1 second, the same value is recorded in each time and then value is updated every 2 seconds.) |
|
| Length of cable | Approx. 200 mm | |
| Operating environment | Temperature: 0 °C to 50 °C Humidity: up to 80 % RH (non condensed) |
|
| External dimension [W x D x H] | Approx. 66 x 100 x 25 mm (exclude protrusion) | |
| Weight | Approx. 99 g | |
AC Current sensor Adapter (GS-DPA-AC) input module & AC Current sensor
| Item | Description | |
|---|---|---|
| Type of measurement | Actual measuring | Current (using optional AC current sensor) |
| Calculated value | Power, Accumulated power (Electric energy) | |
| Type of sensor | Clamp-on current probe (optional) | |
| Application circuit | Single-phase two-wire, Single-phase three-wire, or Three-phase three-wire | |
| Number of sensor | Two (2) sensors are able to connect (using the same type of sensor and the power system) | |
| Method of measurement | Scans channels (sensors), Non-isolated input, using RMS converter | |
| Measuring range | 50, 100, 200 A RMS (varies by the sensor) | |
| Applicable frequency | 50 or 60 Hz | |
| Measuring accuracy | ±2 % of full sale ± 1 digit (at temperature 23 °C, and within rated current and frequency) | |
| Sampling interval | 0.5, 1, 2, 5, 10, 20, 30 seconds, 1, 2, 5, 10, 20, 30, 60 minutes | |
| Length of cable | Approx. 200 mm | |
| Operating environment | Temperature: -10 °C to 50 °C Humidity: up to 80 % RH (non condensed) |
|
| External dimension [W x D x H] | Approx. 46 x 66 x 27 mm (exclude protrusion) | |
| Weight | Approx. 55 g | |
AC Current sensor
| Item | Description | |
|---|---|---|
| GS-AC50A | Rated measuring current: 50 A AC (Length of cable to adapter is approx. 200 mm) | |
| GS-AC100A | Rated measuring current: 100 A AC (Length of cable to adapter is approx. 200 mm) | |
| GS-AC200A | Rated measuring current: 200 A AC (Length of cable to adapter is approx. 200 mm) | |
Voltage & Temperature Input Terminal (GS-4VT) input module
| Item | Description | |
|---|---|---|
| Type of measurement | Analog voltage or Temperature, Logic (signal pattern) or Pulse (instant or accumulated count) |
|
| Number of channel | Voltage/Temperature: 4 channels (measurement type for channels can each be separately selected) Logic/pulse: 4 channels (measurement type for channels can be selected as set of 4 channels) |
|
| Input method of voltage/temp. | Scans by the photo-MOS-relay, all channels isolated input | |
| Measuring range of voltage | 20, 50, 100, 200, 500 mV, 1, 2, 5, 10, 20, 50 V F.S. and 1-5V F.S. | |
| Measuring accuracy | 0.15 % of F.S. | |
| Input impedance | 1 M ohms | |
| Maximum input voltage | Between positive ("+") and negative ("-") input terminal: 60 V Between negative ("-") terminal of channels: 60 V Between negative ("-") terminal of channel and "GND": 60 V |
|
| Withstand voltage | Between negative ("-") terminal of channels: 350 V p-p (1 minute) Between negative ("-") terminal of channel and "GND": 350 V p-p (1 minute) |
|
| Measuring range of temperature | Thermocouple: K type -200 °C to 1370 °C, T type -200 °C to 400 °C | |
| Measuring accuracy | K type -200 ≤ TS ≤ -100 °C: ± (0.05% of reading + 2.0 °C) -100 < TS ≤ 1370 °C: ± (0.05% of reading + 1.0 °C) T type -200 ≤ TS ≤ -100 °C: ± (0.1% of reading + 1.5 °C) -100 < TS ≤ 400 °C: ± (0.1% of reading + 0.5 °C) Reference Junction Compensation (R.J.C.): ± 0.5 °C |
|
| Burnout checking | Displaying warning when Thermocouple has failed | |
| Unit of temperature measurement | Switchable °C and °F | |
| Input of Logic/Pulse | Input signal: Voltage or Dry contact signal Voltage input: 0 to +24V (common ground) Dry contact signal: Relay or Solid state relay Threshold voltage: Approx. +2.5V, Hysteresis: Approx. 0.5V (Status of the signal is changed in the 2V and the 2.5V.) |
|
| Measuring rage of Pulse | ・Instant count: up to 200 counts/sampling interval ・Accumulated count: up to 65535 counts (Accumulated value is reset by starting the data recording or pressing the QUIT key.) ・Max. input frequency : 400Hz |
|
| Sampling interval | 0.5, 1, 2, 5, 10, 20, 30 seconds, 1, 2, 5, 10, 20, 30, 60 minutes | |
| Length of cable | Approx. 200 mm | |
| Operating environment | Temperature: -10 °C to 50 °C Humidity: up to 80 % RH (non condensed) |
|
| External dimension [W x D x H] | Approx. 46 x 66 x 36 mm (exclude protrusion) | |
| Weight | Approx. 85 g | |
Thermistor Sensor Input Terminal (GS-4TSR) input module
| Item | Description | |
|---|---|---|
| Type of measurement | Temperature, Logic (signal pattern) or Pulse (instant or accumulated count) |
|
| Number of channel | Temperature: 4 channels (measurement type for channels can each be separately selected) Logic/pulse: 4 channels (measurement type for channels can be selected as set of 4 channels) |
|
| Input method of temperature | Scans by the photo-MOS-relay, all channels non-isolated input | |
| Temperature sensor | Thermistor (optional) | |
| Measuring range | Temperature: -40 to 120 °C (varies by the type of sensor) (Sensor GS-103AT-4P: -40 to 105 °C, GS-103JT-4P: -40 to 120 °C) |
|
| Measuring accuracy | • GL100 main body -40 ≤ TS < 0 °C: ± 0.7 °C 0 ≤ TS ≤ 35 °C: ± 0.2 °C 35 < TS ≤ 70 °C: ± 0.4 °C 70 < TS ≤ 120 °C: ± 1.0 °C • Thermistor sensor (GS-103AT-4P or GS-103JT-4P) Typical ± 0.4 °C |
|
| Unit of temperature measurement | Switchable °C and °F | |
| Input of Logic/Pulse | Input signal: Voltage or Dry contact signal Voltage input: 0 to +24V (common ground) Dry contact signal: Relay or Solid state relay Threshold voltage: Approx. +2.5V, Hysteresis: Approx. 0.5V (Status of the signal is changed in the 2V and the 2.5V.) |
|
| Measuring rage of Pulse | ・Instant count: up to 200 counts/sampling interval ・Accumulated count: up to 65535 counts (Accumulated value is reset by starting the data recording or pressing the QUIT key.) ・Max. input frequency : 400Hz |
|
| Sampling interval | 0.5, 1, 2, 5, 10, 20, 30 seconds, 1, 2, 5, 10, 20, 30, 60 minutes | |
| Length of cable | Approx. 200 mm | |
| Operating environment | Temperature: -10 °C to 50 °C Humidity: up to 80 % RH (non condensed) |
|
| External dimension [W x D x H] | Approx. 46 x 66 x 36 mm (exclude protrusion) | |
| Weight | Approx. 83 g | |
Dual port adapter (GS-DPA) input module
| Item | Description |
|---|---|
| Number of sensors | Two (2) sensors |
| Connectable sensors | GS-TH (Temp./Humidity), GS-CO2 (Carbon dioxide (CO2)), GS-LXUV (Illuminance & Ultraviolet) It is not able to connect two sensors of the same type. |
| Length of cable | Approx. 200 mm |
| Operating environment | Temperature: -10 °C to 50 °C Humidity: up to 80 % RH (non condensed) |
| External dimension [W x D x H] | Approx. 46 x 66 x 27 mm (exclude protrusion) |
| Weight | Approx. 68 g |
Module Extension Cable (GS-EXC)
| Item | Description | |
|---|---|---|
| Connectable input module | All types of input module Cable is connected between the input module and the GL100. |
|
| Length of cable | Approx. 1.5 m | |
| Operating environment | Temperature: -10 °C to 50 °C Humidity: up to 80 % RH (non condensed) |
|



